Rancilio epoca - heating element continue to stick on
On my 2 group commercial machine - when the machine heats up the water in the boiler - it will not stop in the green like it used to - contines way into the red then the release valve goes off to relieve heat-
we thought it was the 3/8 gasket that went out - have had that happen before - but not he case - watched it and continues to get hotter and hotter - like a thermostat - looked at my diagram of machine and not sure which part it is - any help would be great
Re: rancilio epoca - heating element continue to stick on
I have an epoca de 2 group manufacture 11/2004. I replaced the Parker pressure switch ( I Had to do alot of research to find out it didnt have the sarai pressure switch)when it was overheating and it works.
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That's a tough one, the only thing I can think of is checking the reset switch and the element with an ohms meter to see if they are functioning correctly, before moving on. The only reason the machine would turn itself off, would be lack of water in the main boiler and if it does not know there is water in the reservoir, or it cannot take water from the reservoir to fill the boiler, or the element is overheating so *** trips the reset.
You have huge corrosion and scale in the boiler. Your heating element will be fried soon. Boiler must be opened up and cleaned, element may be salvageable. USE ONLY BOTTLED WATER NEVER EVER TAP. www.dolcevitaespresso.com
Without being in front of it, there are a couple of things to check.
1. There is a reset button on top of the boiler. It is a black top with a red button in the center between 2 wires.
2. The water tank needs to be emptied and then refilled.That is the first things I would check.
If the red light is on then the machine is not getting water and or level is low in boiler. Try this remove the bell looking softener and run it under the faucet to see if water flows through, it could be that is blocked and not letting water through, and if so then the reset switch for element might have tripped because machine has low water.
Machine is not heating, the lights should flash until it heats up to 1.2 bar on the top gauge. If not check the water level in the machine and check the red reset switch to see if the thermostat tripped.
Hi 3 things could be wrong. First is easy to check. With machine on, turn on the steam switch and after about a minut open the steam knob and push the middle switch. Check the water coming from the wand and see if its warm? If it is you need a brew thermostat. Unplug the machine. Remove the water tank. Remove the 4 screws that hold the top on and lift top off. The boiler has 2 thermostats on the top front of the boiler, and the one with the red dot is the brew thermostat and need replacing. If that didn't fix your problem there is a reset thermostat on the front face of the boiler and has black wires going to it. There is a red button in the middle of the thermostat and needs to be pushed. If that one didn't solve your problem you need a new heating element. You can do a continuity check on the terminals.
check the solenoid valve and electronic comand for boiler filing. solenoid valve could be leaking, electronic part could have weak contact with level detector wire or relay (driver of solenoid valve and motor) has bad contacts, and does not open circuit circuit remains all the time closed.
check the presurestat, be sure that he opens cirquit at 1.5 bar snd does not angage heating element to heat up more.