Got a Amika dishwasher model 6xl, it's running continuously, suspect the relay contacts welded, want to know where is the relay located, suspect it's the one on the pub. Anyone knows.
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Hi, That can be a bad relay, but it also can be the high limit has tripped...or went bad...when the high limit thinks that the furnace is too hot the blower will run continuously... The best way to troubleshoot is to unhook a wire from the high limit and see if the blower stops... if it does then the high limit is bad or needs to be reset...
if it continues to run then the relay is likely welded together...
Hi, If the supply pump continues to run after the heat shuts off, you will need to find the pump relay that runs the pump. This will be the problem as it sounds as though this pumps relay has contacts that have welded there self together causing it to stay on. Trace it back and it should be easy to locate. Try giving it a gentle tap and this may open the contact that is closed. Keep me posted on this. Good Luck, Shastalaker7
Hi, being that this is a newer unit, you will need to look at the fan control, or high limit switch.They will stick on at times and the indoor fan will continue to run. Being a Coleman furnace, in behind the circuit board, you should have a fan switch that has a manual reset on it. Try to locate this and push the button to reset, and fan will cycle down.You may have to do some searching to find it, and you can also look at the schematic to point you to it.Please keep me informed and I will work on helping you solve this. Let me know. Sincerely, Shastalaker7
DPS1 and 2 are fed from L1 and L2 directly.
RPS1 and 2 get their signal from a relay, triggered during fill or rinse. Check inside the control box for the machine schematic and component location. Check that the relay only powers during fill and rinse. Check for welded relay contacts.
Note. Soap and rinse dispenses are often spliced into AM14's in unusual ways, and with unprotected pump circuits. (no fuses) These can be too much current draw for the contact rating of the relay.
The control panel most likely has control over one or more relays that open or close depending on the programmed action.
The relay need not be the typical electromagnetic kind but could be solid state and produce the same results.
It sounds a lot like one of the relays has welded its contacts together (or shorted, in the case of a solid state device) so the control panel and settings no longer have dominion over its actions.
I'm not sure where to look in your machine though.
If you are lucky (well, while being unlucky) there may be a schematic on the housing of the machine that could give you some clues about the location of these control elements.
Mine is the same, and it is the relay welding itself closed. The relay is switched by the low-voltage wiring that connects to the vacuum outlets, and it switches the motor on and off. Mine was welded in the energized position. I have cleaned and filed the contacts on the relay, and that solved the problem for about a week. I suspect the relay contacts were plated, or a worn motor is drawing a little too much current (it is several decades old at this point).
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