Question about Cuisinart EM-200 Espresso Machine
Since this is a pressure based system the pump will not shut off until the pressure is great enough. You have a leak somewhere in your pump assembly. If the pump was not shutting off and there was no leak you would have an extreme buildup of pressure (well to within the pumps maximum capability anyway) The smallest leak can give you a problem, I suggest checking your pump output again. Good luck!
Posted on Feb 03, 2010
Hi The piece where the tube goes to the boiler and the hose goes back to the water tank is called the over pressure valve. Some call it the S3 valve. It needs to be replaced. The small tube needs to be unscrewed from the end of the S3 valve and the return hose slipped off unless there is a clamp, which will need to be removed before slipping off. you should not need a clamp since there should not be any pressure in the hose unless it gets crimped going back to the tank. The S3 valve can be unscrewed from the end of the pump, and the new one will screw back on. I like to use a little sealant on the threads when installing the S43 valve to the pump. There is a special sealant for espresso machines.
Posted on Feb 04, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
It is a common fault that the drain fails to work in most machines in a period of time and is the most problematic fault in a washing machine. In all occasions it is important that your observation is most important and so is vital to the identification /rectification and solution. If you have noticed that water has leaked then as the drain hose pump/valve and fittings are located on the underside of the machine it is important that you look for possible leaks here. In some cases the drain hose would be clogged at the drain end to outlet of the house and so there will be back flushing resulting in overflow to the outside. Also the drain pump/valve can be clogged. Now remove the drain hose clamps and remove the drain pump/valve, clean the drain pump/valve, use back flushing to clear off all dirt. Now test using power to see if this works and can be simulated. When refitting, the hose must be tightened properly. If the pump/valve does not work even with power then it must be replaced. If there is intermittent power to the drain valve/pump then the program controller unit is a suspect.
Cleaning a pump: http://www.youtube.com/watch?v=zKjKi50YBpI&NR=1&feature=fvwp
Finally the washer must be placed with a tilt- use a spirit level- so that all water will drain to the outlet port and thereby there is no residual water remaining.
Replacing the pump on a Bosch machine, please check this link for tips:
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on Jan 16, 2010 | Washing Machines
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Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat .
Specific instructions for your car are as follows. Let me know if you get stuck or have more questions. 5.3L Engine
Removal & Installation
NOTE The thermostat is not serviceable separately. The water pump inlet and thermostat must be replaced as an assembly.
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