For Latte Art He Draws Hightops in the Foam
Rocket R58
- Housing Removal
- Adjusting Brew Pressure
- Adjusting The PID
- Draining The Boilers
- Menstruation Issues
- Machine Leaking
- No Heat or Power
- Portafilter Not Fitting
- PID Blinking
- Preinfusion
Removing The Example
Y'all won't need to remove the case from your machine for every troubleshooting scenario, only these instructions will be good to have on hand for when you lot do need to perform maintenance inside your car.
Instructions for removing the casing of the auto can exist found in the video on the right. The automobile pictured in the video is slightly unlike than the R58, but the procedure is identical for near Rocket Espresso machines.
Should you prefer written instructions, the PDF on the right has instructions for removing the housing on your machine.
Adjusting Mash Pressure
To learn how to manually conform the brew pressure on an R58 V2, click the link on the correct.
Adjusting The PID
The video on the correct has a cursory overview of bones PID programming on the R58 V2. More detailed information on adjusting the PID can be plant in the car manual. The PID programming instructions are on pp.10-12 of the digital PDF re-create, and on pp.17-21 of the difficult copy.
Draining The Boilers
To drain the boilers for storage, shipment or internal work, follow the instructions in the video on the right.
No Crema or Bad Tasting Shots
Typically, issues with crema or the flavor of the shot do not betoken a malfunction of the machine. Instead, this indicates that an adjustment needs to be made in the brewing procedure or that different beans need to exist used.
The post-obit articles review the different variables and offer solutions:
- Tamping The Correct Manner and The Furnishings Of Tamping Pressure
- Grinding Coffee For Espresso
- It is important to use fresh beans, typically beans roasted within the past 2 weeks are best. Light and medium roasts are best for espresso brewing and richer crema. Storing beans properly is also of import, more information can be found here.
If the behavior persists after reviewing these factors and then the machine may need to be cleaned. Lack of cleaning can crusade burned or bitter flavors, or create menses issues which tin result in a weak shot. Navigate to the Cleaning & Maintenance icon above for more information.
Difficulty Frothing
As with brewing, technique is critical to frothing well. Frothing is very sensitive to technique, which has a steep learning curve. If the auto is producing steam then an adjustment to technique may need to be made. The video on the correct shows proper frothing technique.
Many frothing mistakes are common missteps that result in poor or no froth. The video on the right identifies these mistakes and shows how to correct them.
It is also important not to overheat your milk. The milk will have the sweetest and most velvety texture betwixt 140-150 F°. As you froth past this point the milk will lose its sweet, the froth will accept on a gummier texture, and eventually the milk will scald and begin to gustation burnt. The video on the correct explains how to use a frothing thermometer so that the milk is kept within the ideal range.
Menstruum Issues
The offset place to offset with whatever flow issue is cleaning the machine. Before going through these steps please make certain the machine is cleaned co-ordinate to the Cleaning & Maintenance section higher up.
No Steam From Wand
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- Check the brew function on the machine and see if water is able to flow through the motorcar for this role.
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- If the brew h2o is not flowing either refer to the No Flow At All section of this article
- If the brew h2o flows but is non hot refer to the On Just Non Heating section of this article.
- Check the hot water function of the auto. If you are able to draw hot water so the steam boiler must be pressurizing and heating, because hot water is expelled from the machine by steam pressure.
- Bank check the steam judge of the machine. Does it bear witness pressure? Typical range for the steam judge should exist one-1.2 Bar.
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- If the gauge is inside the 1-1.2 Bar range then the steam wand is likely blocked.
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- Remove the tip from the steam wand and exam the menses. If flow is restored then the tip needs to be cleaned and reattached.
- If the flow is still blocked then there may be a blockage in the steam wand itself. Make clean the wand by using a pipe brush that has constructed or plastic bristles; metal bristles can damage the wand. Then soak the wand in a solution of hot water and backflushing pulverisation for x minutes. Test menstruation again.
- If there still isn't menstruation then at that place may be a blockage farther back in the steam circuit. The machine may need to be professionally cleaned to remove the blockage.
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- If the gauge is not reaching i-1.2 Bar, but it is pressurizing some, then the steam temperature setting on the PID may need to be adjusted. Instructions for irresolute the PID settings tin be found in the department of this article that discusses programming the PID.
- If the approximate is sitting at zero then the steam boiler is not edifice pressure for some reason.
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- If the machine is spewing a lot of steam from the top as it is heating up then the vacuum relief valve may be stuck open. This valve is supposed to close once the machine produces enough steam pressure.
- The high limit switch may be tripped. The loftier limit switch is an internal killswitch which prevents damage to the machine caused by ability surges or the car overheating.
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Poor Or No Catamenia From Grouphead
If the steam/hot h2o for the automobile is working fine and then there is likely something causing a blockage or pressure issue in the brew circuit. Otherwise refer to the section of this article that discusses the machine non flowing at all.
- If a water softener is attached to the inlet line of the auto, it may be preventing water from flowing. Please remove the softener and meet if the flow improves.
- The grouphead is dirty and needs to be cleaned.
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- Taking apart the grouphead for manual cleaning is the first step. This should exist done on a monthly basis. The instructions tin can be plant hither.
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- If cleaning the grouphead restores flow to the grouphead, the auto should be immediately backflushed to prevent further period issues.
- At that place might be a kinked, broken, or loose line somewhere in the machine. Remove the top of the motorcar and accept a look inside to see if yous run into whatsoever obvious problems.
- There might be an upshot with i of the internal valve assemblies, which may need to exist cleaned or replaced.
No Hot H2o From Wand
- Check the brew function on the machine and see if water is able to flow through the motorcar for this function.
- If the mash water is non flowing either refer to the No Catamenia At All section of this commodity
- If the brew water flows merely is not hot refer to the On But Not Heating section of this article.
- Bank check the steam function of the machine. If you are able to steam then the hot water circuit must exist heating and pressuring, since these functions share the same boiler, and hot water is expelled by steam pressure level.
- Bank check the steam estimate of the machine. Does information technology show pressure? Typical range for the steam approximate should exist one-one.two Bar.
- If the gauge is within the 1-one.2 Bar range and then the hot water wand is likely blocked.
- Remove the tip from the hot water wand and test the menstruation. If flow is restored then the tip needs to be cleaned and reattached.
- If the flow is still blocked then at that place may be a blockage in the hot water wand itself. Make clean the wand by using a pipage brush that has synthetic or plastic bristles; metal beard tin can damage the wand. Then soak the wand in a solution of hot water and backflushing powder for ten minutes. Test catamenia again.
- If at that place however isn't flow then there may be a blockage farther back in the steam circuit. The motorcar may need to exist professionally cleaned to remove the blockage.
- If the gauge is within the 1-one.2 Bar range and then the hot water wand is likely blocked.
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- If the gauge is not reaching 1-1.2 Bar, but information technology is pressurizing some, then the steam temperature setting on the PID may need to be adjusted. Instructions for changing the PID settings tin be found in the section of this article that discusses programming the PID.
- If the gauge is sitting at zippo and then the steam banality is not edifice pressure level for some reason.
- If the machine is spewing a lot of steam from the summit as information technology is heating up then the vacuum relief valve may be stuck open. This valve is supposed to close once the machine produces enough steam pressure.
- The high limit switch may be tripped. The high limit switch is an internal killswitch which prevents harm to the automobile acquired by power surges or the machine overheating.
No Flow At All
If the auto is set to the plumbed fashion:
- Commencement endeavor switching to the reservoir mode temporarily and come across if it resolves the issue. If this resolves the period issue, and so the issue is specific to the inlet plumb line, and you should go to the next step. Otherwise keep the machine in reservoir mode and skip down to the next section which deals with testing the "No Menstruation" upshot for the machine in reservoir mode.
- Return the machine to plumb mode. The next thing to check is to see if we can isolate where the flow effect is occurring for the plumb line. Endeavor putting the plumb line hosing into an external saucepan or container filled with water and see if the machine volition draw water from this source. If it tin't, then there may exist a blockage somewhere in the plumb line itself.
- If yous are able to depict water from the plumb line, then at that place may be an issue with the plumbing supplying this line.
If the car is set to use the reservoir:
- If the pump does not sound like information technology is activating:
- Check to brand sure the water tank is filled, and the machine isn't indicating that the water tank is empty.
- If the tank is empty, refill information technology.
- If the tank is full, but the machine thinks the h2o tank is empty and then the tank may not be seated correctly. Brand certain there isn't anything blocking the tank from sitting flush inside the machine.
- Remove the cover of the machine and check for any loose or disconnected wires.
- Brand sure at that place aren't any kinked or pinched hoses.
- There may be an event with the h2o tank sensor. The tank'south level sensor is not compatible with reverse osmosis or nada waters considering of their lack of mineral content. The sensor depends on minerals being in the h2o to pass an electrical bespeak which tells the machine that h2o is nowadays in the tank. Waters that don't have enough mineral content volition not be able to pass this electrical signal, and so the machine will not think water is present.
- There may be an effect with the pump powering on.
- If the pump does sound like it is activating:
- Check the h2o tank to brand sure it is filled, sitting flush, and properly inserted into the socket.
- Open up the machine. Brand sure in that location aren't any kinked or pinched hoses anywhere.
- There may exist a stuck valve inside the machine.
Machine is Leaking
Between Portafilter & Grouphead
If the machine is leaking from between the grouphead and the portafilter and then the grouphead gasket is either pushed out of place and needs to be reinserted properly, or the gasket is worn out. Typically, grouphead gaskets volition wear out in approximately 6 months to a year depending on how heavily the car is used. Premature article of clothing to this gasket tin exist caused by using excessive strength when attaching the portafilter. It is important to distinguish where the leaking is occurring. If the leaking is originating from farther upward on the grouphead associates and and then draining down to where the portafilter is fastened, then refer to the section of this article which discusses leaking from the grouphead.
If the leaking is coming from betwixt the portafilter and grouphead where you lot twist the handle on, then the gasket will demand to be replaced. Instructions for replacing the gasket can be found in this document. Y'all tin try using the instructions to make clean and reseat the current gasket. If that does not resolve the leak and then the gasket will demand to exist replaced.
The gasket tin get stuck in the grouphead from wear or excessive oestrus exposure. To remove the gasket take some self-tapping screws and partially screw them into the grouping gasket. Make certain non to go all the way through the gasket because you can scratch/dent the grouphead if you become likewise far. Then use a pair of pliers to pull on the screws and the gasket will pull out with them.
From The Grouphead
This section addresses leaking which is coming directly from the grouphead, known as the Due east-61 fashion. If the machine is experiencing leaking between the grouphead and the portafilter refer to the department of this article which discusses grouphead gasket issues.
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- There are multiple valves and o-rings which are part of the E-61 itself. Depending on where the leak is coming from, information technology may indicate an issue with one or more of these assemblies.
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- If the leaking is coming from the lever arm of the car, and then at that place is an o-ring that is loose, dirty, or worn out. A blowout of the lever associates can be seen on p.12 of the motorcar's parts diagram. The o-rings that will need to exist checked are listed equally office seven and function fourteen, and the valve assembly listed as office 12.
- To access these o-rings remove the end cap of the lever assembly using a flathead screwdriver.
- Once this is removed the other components of the grouphead assembly can begin to be slipped off. The bolts that the lever slides into tin be removed with open up ended wrenches or an adjustable wrench.
- Audit the o-rings and make certain they are not damaged. Information technology's possible that they are just muddied and need to be cleaned off and reseated. If they are damaged, broken, or shows signs of chaffing and so they will need to be replaced.
- Audit the valve components also to make certain they are intact.
- Reassemble the components and run into if leaking is resolved.
- If the leak is coming from the acme bolt assembly, and then there is an o-ring that is loose, dirty, or worn out. A blowout of the top valve assembly, known as the mushroom or trumpet valve, can exist found on p.12 of the machine's parts diagram. There are a few components which can be contributing to the leaking. There are 2 o-rings, listed as parts 2, 6, and x on this page of the diagram. There is also a valve assembly shown equally part nine on the same page.
- To admission these parts use an open up concluded wrench or adjustable wrench to remove the smaller top bolt of the E-61. This will requite you access to the first o-ring and spring assembly.
- To access farther downward into this office of the grouphead utilise a wrench to remove the large bolt. This will let yous access the other o-band, some other jump assembly, and the other valve assembly.
- Inspect all of these components for integrity. Clean whatsoever muddy parts and replace whatsoever broken parts.
- Reassemble the grouphead and see if the leaking is resolved.
- If the leak is coming from the relief valve on the bottom of the East-61, then there may exist an o-band that is loose/dirty or a valve inside the Eastward-61 that is stuck open. A blowout of the bottom valve associates, known as the release valve, can be establish on p.12 of the car'south parts diagram. There are two o-rings in this assembly, listed as parts seven and 31 on the diagram, and 2 valve assemblies, listed as parts 25 and 28 on the diagram, that can be causing the leak.
- To access these parts use an open ended wrench or adjustable wrench to remove the smaller lesser bolt. You will be able to admission role 31, the o-ring, and function 28, one of the valve assemblies. Inspect the parts. If they are dingy clean them off, if they are broken replace them.
- To admission the next o-ring and valve assembly utilize a wrench to remove the larger of the bolts. Again, inspect the parts for cleanliness and impairment. Clean or replace every bit needed.
- Reassemble the release valve and exam to come across if the leaking is resolved.
- If cleaning and repairing a detail valve assembly has non worked, then it may be prudent to do a consummate cleaning of the E-61 grouphead associates. Instructions for cleaning the unabridged East-61 can be institute by clicking hither.
- If the machine is leaking between the grouphead and the faceplate of the automobile where the grouphead attaches, then there may be a bad gasket or loose bolts. There are two possible reasons for the machine to be leaking from here.
- The first is that one of the plumb lines connected to the back of the East-61 is non secure resulting in a leak. This will need to be tightened from the within of the car. You may encounter leaking from the lesser of the machine as well if this is the case. Remove the meridian of the machine and look towards the forepart of the machine. These lines will exist located on the dorsum of the faceplate, opposite to where the grouphead is seated. They are listed every bit parts 1 and ix on p.half dozen of the auto's parts diagram. Use an open up ended wrench or adjustable wrench to tighten these downward. If the leaking persists you may need to apply white teflon plumbers tape or a sealing compound such every bit food prophylactic permabond.
- The other possibility is that the Eastward-61 group chassis gasket is not sealing tightly, or is worn out or damaged and will need to exist replaced. The chassis gasket is listed as role x on p.12 of the parts diagram. In that location are two bolts which secure the East-61 to the car chassis, causing information technology to press on the gasket and create a seal. First try tightening these 2 bolts downward. The bolt assembly is listed every bit office 11 on p. 12 of the diagram. If tightening these bolts does non resolve the leak, then the chassis gasket will demand to be replaced.
From Bottom Of Machine
- Check the water tank and drip tray to make sure at that place are no cracks or breaks where water can escape. Make sure they are properly positioned on the motorcar.
- Open the machine and check all of the connections to brand sure they are securely attached.
- Examine the pump and banality assemblies to see if there are whatsoever cracks in them. If the machine was exposed to subfreezing conditions without existence properly drained it can crusade these components to crack. These parts volition demand to be replaced if they are cracked.
- Brand sure both the inlet line and the outlet line on the pump are securely connected.
- Check the various valves located on top of the banality assembly.
- If water is leaking from the relief valves, then the banality may be overfilling. Distilled, reverse osmosis, and nix water are not compatible with this style of automobile every bit the h2o level probe depends on minerals in the water to detect its presence. These water types do not incorporate minerals, and and then the motorcar volition continuously fill until it overflows, usually resulting in water leaking from the relief valves.
- If water is leaking from the relief valves fifty-fifty though you are using a water that contains minerals, then you may need to clean the h2o level probe.
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- If the machine is plumbed, then there may be too much force per unit area at the inlet line. The pressure level restrictor may demand to exist adjusted, or if you do not have a force per unit area restrictor installed you lot may need to install one.
- If the valves are leaking directly from where they screw into the boiler, then they may take a broken seal. Endeavor resealing the valves by using white teflon plumbers tape or food condom permabond and screwing them dorsum into the boiler.
- If there are whatever cleaved or cracked hoses, or hoses with pinhole leaks, they will need to be replaced.
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- If your machine features drain plumbing, brand certain the bleed line is securely attached and that water is beingness correctly directed into the bleed cup.
- If you cannot find the source of the leak, it'due south possible the h2o you are seeing is from water spilled when refilling the machine, or from the drip tray being out of position. It is too possible to run the unit with the casing off to help place the source of the leak; precautions should be taken to protect yourself from whatever exposed wiring or hot h2o or steam that comes from the machine if you attempt this.
Steam From Top Of Machine
If in that location is steam coming from the summit of the auto then i of the relief valves is venting steam.
- If the steam is leaking from the automobile while it is heating upwardly, with more and more steam coming from the top as the machine heats more, and so the steam is coming from the vacuum relief valve.
- The vacuum relief valve is meant to vent steam until a sure amount of force per unit area has built upwardly in the banality. It is normal for this valve to vent steam as the car is heating. Once enough steam pressure level is congenital upwards in the banality the valve will pop closed.
- If the machine is fully heated and the vacuum relief valve is even so not closing then information technology may demand to be cleaned. Instructions for cleaning the vacuum relief valve on Rocket style machines can be found in the video below. The video shows a different Rocket unit, but the same vacuum relief can be used. The vacuum relief valve on the R58 is located on the top of the steam boiler, listed as part 17 on p.6 of the car's parts diagram.
- If cleaning the vacuum relief valve has not resolved the issue, then the vacuum relief valve may be broken and will need to exist replaced.
- If the steam is leaking from the motorcar after it is fully heated, and so the force per unit area relief valve may exist relieving excess steam pressure.
- The steam boiler temperature may demand to exist lowered. If your machine features a pressure guess it should not read whatsoever college than 1.2 bar. Program the steam boiler temperature lower and lower until the relief valve stops opening and the pressure approximate reads 1.2 bar or lower.
- If lowering the temperature is not helping, then the pressure level relief valve may be stuck open up.
From Steam Wand Or Hot Water Tap
- If either wand is leaking from the end of the wand, information technology means the steam/hot water valve is not fully closed.
- Make sure the knob is securely in the closed position.
- If the knob feels loose, or doesn't appear to be properly engaging, then there may be a loose or broken part in the knob assembly.
- If the leaking persists, and so the corresponding valve may need to exist replaced.
- If the wand is leaking between the tip and the arm of the wand during use, at that place is an o-ring that is broken, missing, or out of position. Unscrew the tip that is leaking and cheque the o-ring that seals the tip to the wand. Make sure all of the parts are make clean and that the o-ring isn't damaged or broken. The metal steam tip or hot water tips can exist soaked in a solution of hot water and backflushing powder for more effective cleaning.
- If the wand is leaking from the brawl joint, then there may an o-ring that is worn out or out of position.
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- These instructions apply to both the steam and hot h2o wands. Commencement remove the wand arm. This can exist done by unscrewing the hex shaped nut at the top of the arm using an adaptable or open-ended wrench.
- In one case the wand is removed y'all may have parts stick to the valve assembly. Exercise not lose these parts. A blowout of both wand assemblies tin seen on p.eight of the parts diagram.
- There are a few dissimilar o-rings in this associates. Make certain everything is clean and that the o-band aren't damaged or broken.
- Audit the tension spring, listed as part 7 on p.viii, to make sure it is in skillful status. The spring should be really business firm. If it is hands compressed and then it may demand to be replaced. The bottom of the leap volition have a metal gasket, which helps the wand pivot on the spring Make certain these parts are clean and reinstall them.
Motorcar Non Heating Or Powering On
No Power
- Brand sure the machine is plugged into an advisable ability source.
- Do not use the car on a surge protector. This machine has a loftier power describe, more than than a typical kitchen apparatus such equally a refrigerator or a microwave. Surge protectors are typically not rated to handle the amperage this car requires.
- Try using the machine on a different outlet, and make certain the machine is the only appliance plugged into that outlet.
- Make sure the ability switches are functioning properly and not broken. If the auto isn't powering on try pressing and holding the power button in the on position to see if the automobile turns on. If you are able to ability the machine on this fashion so the ability switch needs to exist replaced.
- If the machine recently had a leak, had water spilled on it, or any other exposure to moisture then the motorcar may exist shorting out. Endeavor letting the automobile sit unplugged for 48 hours to make sure in that location isn't a brusque caused by moisture.
Brew Not Heating
- Requite the machine sufficient time to heat up. A heating time of 20-30 minutes is recommended for prosumer style machines for it to be sufficiently heated for brewing. Make sure the portafilter is attached during heating.
- Make certain the heating indicator is on. If the heating indicator is not on, and then the machine volition non estrus. Typically this light will exist off if the auto is out of water or non able to fill the boiler.
- Brand sure the brew temperature is programmed to an acceptable temperature. Optimum temperature for brewing is betwixt 195-205 F°. Make sure the PID is programmed to a temperature in this range. Instructions for adjusting the PID can be found of this article that discusses PID aligning.
- The high limit switch may be tripped and needs to exist reset.
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- First unplug the machine, allow it cool off, and so remove the casing.
- The high limit switch can be institute on the brew boiler on the left manus side of the machine once the casing is removed, behind the command lath.
- The high limit switch is circled in crimson; the carmine button in the center is the reset.
- To reset the loftier limit switch press on the red reset push button in the centre of the high limit switch several times.
- The heating element may be broken and may crave replacement.
Steam Not Heating
- If the machine is producing steam, but yous think it'due south not producing plenty steam, make sure that you are purging the line earlier frothing. To purge the line simply open the steam knob and let steam come through until it changes from mostly water to mostly steam. When steam leaves the boiler and hits the common cold wand it is going to condense back into water. If you do not purge the line information technology will affect the way the steam wand froths.
- Brand sure the steam boiler is turned on for the auto. Most prosumer units feature a switch, button, or PID carte du jour choice to plough the steam boiler off.
- Give the machine sufficient time to rut upward. A heating time of 20-xxx minutes is recommended for prosumer fashion machines for information technology to be sufficiently heated for brewing. Make sure the portafilter is attached during heating.
- Make sure the heating indicator is on. If the heating indicator is not on, and then the motorcar will not rut. Typically this light volition be off if the car is out of water or non able to fill the banality.
- Make sure the steam temperature is programmed to an acceptable temperature. Instructions on how to adapt the PID can be constitute in the section of this article that discusses adjusting the PID.
- The high limit switch may be tripped and needs to exist reset.
- The heating chemical element may exist broken and may require replacement.
On But Non Heating
The tank'due south level sensor is not compatible with reverse osmosis or naught waters because of their lack of mineral content. The sensor depends on minerals being in the water to pass an electrical signal which tells the machine that water is present in the tank. Waters that don't have enough mineral content volition non exist able to pass this electrical signal, and then the machine will not remember water is present, and volition not heat as a result.
- If your car is running off of the reservoir, make certain it is filled with water. Don't use distilled or contrary osmosis water, as the boilers rely on some minerals to detect water level.
- Make sure both the steam and the brew boilers are turned on. Nearly prosumer machines let for individuals boilers to be turned off for energy efficiency.
- The steam boiler takes priority. If the steam boiler isn't heating for some reason, the brew boiler won't estrus. Try turning the steam boiler off and meet if the brew boiler starts heating.
- There is a loose, disconnected, or broken wire inside the machine. Remove the top of the machine and inspect the wiring.
- The high limit switch of the motorcar may have tripped.
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- Beginning unplug the machine, let it absurd off, and then remove the casing.
- There are 2 high limit switches in the machine.
- :The mash loftier limit switch can be found on the brew boiler on the left hand side of the car, behind the control lath.
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- To reset the high limit switches press on the crimson reset button in the center of the high limit switch several times.
- The outlet the machine is plugged into is non rated to handle the ability draw of the car.
- In very rare cases both heating elements volition have broken simultaneously. This will happen only if the machine is exposed to a astringent power surge.
Portafilter Handle Not Fitting On Motorcar
- On all new machines, the portafilter may or may not fit perpendicular to the motorcar. This is perfectly normal. This is because the grouphead gasket requires time to wear in earlier this can happen. Equally long as y'all can go the portafilter hand tight onto the machine and brew without leaking, and so the machine is operating properly.
- Besides much java may be dosed into the portafilter. If there is too much coffee in the portafilter, it tin press into the shower screen and prevent the portafilter tightening all the way. Reduce the amount of coffee in the portafilter and endeavour once more. If you meet an indentation from the shower screen in the grounds, so you've added too much.
- Check the filter baskets for dings, dents, or whatever sort of warping. A filter basket that is malformed can prevent the filter handbasket from sealing up against the grouping gasket.
- The group gasket has slipped out of place or needs replacing. Please refer to the section of this commodity which discusses gasket bug for instructions on how to test the gasket or replace it.
PID Blinking Three Dashes
If the PID is blinking three dashes when information technology is turned on there are a few things to bank check:
- Starting time, simply connect and disconnect the PID while the machine is powered off.
- Brand sure the connector is firmly fastened to the machine. The three dashes will appear if the PID is powered, but data isn't transmitting. This is typically considering the connector is only partially fastened.
- If the previous steps did not resolve the behavior then there may be a loose cord inside the car. Unplug the machine and remove the case. Once the instance is removed cheque the connexion from the PID module to the control lath.
What is Preinfusion?
Pre-infusion is what allows a pocket-size amount of h2o through first, before beginning the shot. It allows this water to saturate the coffee and get the grounds equally moisture. This can make the coffee extract more smoothly. H2o will e'er accept the path of to the lowest degree resistance. By letting the water saturate the grinds before brewing at 9 bars of pressure, this can assistance prevent channeling.
Source: https://wiki.wholelattelove.com/Rocket_Espresso_R58_V2/troubleshooting
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