Question about Coldtech J4SRR-40B Commercial Refrigerator

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Need circuit board to control temp. It is jrsrr-10b

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L is no longer available, the only thing you can do is re-wire the control section to use a simple thermostat and timer to control the condenser and leave the old controls for a thermometer only.

Posted on Mar 22, 2014

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Posted on Jan 02, 2017

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How to fix error code H1


Frigidaire Refrigerator Error Code = SY CE
Condition = Communications error at power up
Repair or Check = Check wiring between control board and user interface
Parts Needed = Control board or User interface
Frigidaire Refrigerator Error Code = 4
Condition = Fridge and the control board goes through cycles but does not detect a damper connection
Repair or Check = Check air damper
Parts Needed = Air damper
Frigidaire Refrigerator Error Code = 5Y EF
Condition = Evaporator fan circuit failure
Repair or Check = Check wiring between evaporator fan and control board
Parts Needed = Evaporator fan or control board
Frigidaire Refrigerator Error Code = EF
Condition = Evaporator fan circuit failure
Repair or Check = Check wiring between evaporator fan and control board
Parts Needed = Evaporator fan or control board
Frigidaire Refrigerator Error Code = dF
Condition = No defrost circuit
Repair or Check = Check wiring between defrost circuit and control board
Parts Needed = Main control board or Wiring harness
Frigidaire Refrigerator Error Code = H1
Condition = Freezer sensor shorted in freezer display
Repair or Check = Check wiring between thermistor and board. If correct, replace thermistor
Parts Needed = Thermistor (temp sensor)


Frigidaire Refrigerator Error Code = 5y CF
Condition = Communications failure at power up
Repair or Check = Check wiring between control board and user interface
Parts Needed = Control board or user interface

Sep 28, 2016 | Refrigerators

1 Answer

Why won't blower shut down after gas cycles off?


The circuit board should control the blower and on that board there are very small relays that may be sticking closed. Board may need to be replaced. Also, most furnaces have high temp safeties. When the safety opens, the circuit board thinks there us a high temp problem, them brings blower on to cool it down. These safeties are normally wires in series with each other and possibly with other components. It also could be a shorted control wire or t-stat allowing "r" to "g" connection

Nov 15, 2015 | Heating & Cooling

1 Answer

After turning off the unit the display is off but the unit is still running.


If it has humidity control and the cool is still on but set temp is higher than the room temp, the humidity control will override set temp. If it has no %rh control then it probably has a circuit board fault; micro relay is stuck closed and board needs to be replaced. Its probably the circuit board. On it, there is a little black box(s). About 1" X 1/2" in size. With long run times the small contacts inside will fuse/melt together.

Jun 20, 2015 | LG Electronic Window Air Conditioner

1 Answer

Oven won't keep temp.


I would try another control board. I have gotten 2 new ones before that were bad right out of the box! It happens all the time.

Dec 27, 2013 | GE Profile JGS968 Gas Kitchen Range

1 Answer

Spa Heater problems- Balboa VS-501 controls #54356.


Use a high quality external temp probe and make sure the temp sensor in your system is correctly reading the water temp.
If the water is truly 110 then you may need to replace the board completely.

Jun 20, 2017 | Pool & Spa

1 Answer

Display has gone back, can"t


Check circuit board of indoor unit. There must be some open circuit from your printed circuit board.

Sep 11, 2011 | Heating & Cooling

1 Answer

Model JGBP28DED1WH Stove heats up then temp. drops off ,have to shut off and restart stove.I have replaced ingither in stove,control circuit board,whats left to replace.???


This problem is most commonly caused by a weak ingitor, but as you stated that you have already replaced that, the next most likely cause would be the oven temp sensor, part # WB21X5301 . The control circuit board is very rarely the cause of such a problem.

Feb 28, 2011 | GE Kitchen Ranges

1 Answer

Danbysilhoutte


sounds like you need to replace the control board, i believe there may be two parts here - if there are, try replacing the power control board before trying the electronic control piece... this is the board that has the low and high voltage circuits and relays.

May 18, 2008 | Danby DWC283BLS Wine Cooler

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