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Customer Questions and Answers for Ptc Start Relay & Overload Protector Assembly (Compressor) by Ge

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Manufacturer Part
4.89 (64)
By: Ge
Part Number: OEM12901878
Manufacturer Part Number: WR07X10097

This PTC start relay and overload protector assembly mounts on the compressor. It manages compressor start-up and cuts power if overheating occurs. Replacing a failed start device may restore normal cooling and stop repeated clicking from the compressor area.

  • Controls compressor start-up through a PTC start device that disengages after the motor is running
  • Overload protector interrupts power if current draw or temperature is excessive to protect the compressor
  • Visual clues of failure can include heat damage or a burnt odor around the start device
What's included: One PTC start relay and one overload protector assembled together. Install notes:
  • Disconnect power and allow the compressor to cool before servicing
  • Note wire positions; transfer wires and install the assembly on the compressor pins in the same orientation
  • Ensure terminals are fully seated; do not force if fitment differs from the original
  • If present, reconnect any external run capacitor exactly as originally routed

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Questions & Answers

For Ge Ptc Start Relay & Overload Protector Assembly (Compressor) (Part Number: OEM12901878)

1 Answer

Howard, Yes it could be the WR08X10061 PTC/OLP assembly. You might want to label and disconnect the black and blue wires from the start device and recheck to make sure you have 115 VAC across the two wires when the control is in a run/cooling mode. You may have a broken or loose wire in the harness. If you have the voltage, then replace the PTC/OLP assembly.

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1 Answer

Franchot, There are a couple of things that can cause a overload relay and or capacitor go out. Could be a power surge, a condenser fan motor that is not operational, a faulty relay, or a locked compressor.

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1 Answer

Dave, In most cases when the unit is tripping out on overload would be a faulty relay. The part that you will want to get is the PTC and OLP assembly part number WR07X10097.

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1 Answer

Hello Michele. No, it is not necessary. It keeps the part from falling off the compressor when the unit is moved. If you do not install the wire, then check the starter if you ever move the unit.

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1 Answer

Hello Dean, If the compressor in your unit had a capacitor, it is a required part so you were completely correct in installing it into your unit. The only way you would need to eliminate your capacitor is if the compressor were changed out to a compressor that does not need the capacitor.

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1 Answer

Hello. Based on the information you provided, it sounds like a sealed system failure. You will need an HVAC tech to repair the unit.

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1 Answer

Hello Gec, I would replace the condenser fan motor and verify that the compressor is running, and let the unit run for an hour or so then remove the rear wall of the freezer compartment and check the frost pattern. It should be fairly even all the way top to bottom with the frost a bit thinner near the bottom. If there is no frost at all, the compressor is most likely at fault with an internal failure. If there is an ice ball where the Freon lines enter the evaporator compartment, there has been a Freon loss. Verify also that the evaporator fan motor runs full speed without assistance. If not, it has failed.

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1 Answer

Rick, This overload PTc assembly is just a plug in assembly. You will want to pull the unit out and disconnect the power. Once power is disconnected, remove the compressor cover. There will most likely be a wire holding the overload assembly in place. Remove the wire and disconnect the wire connector on the old relay assembly. Take the capacitor off by pulling straight off and install on the new ptc. Push wire connector onto the new ptc and install back on unit and plug in.

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Mark for Model Number GTS12BBMARWW

Hi, I am trying to replace the relay assembly for a GE GTS12BBMARWW, but I can't seem to find all the parts that I currently have, e.g. the old relay is solid state (ceramic disk inside), the new Relay PTCR (WR07X10031) will not fit in the old cover box as it has a different shape. What do I do? Is WR07X10097 what I need to order? Thank you for your help. As a side note, my refrigerator won't turn on, the lamp inside is on, but no sound whatsoever. Am I correct to assume that the problem is with the relay/capacitor? Tested the compressor and it has proper continuity.

1 Answer

Hello Mark, The parts you should be installing are relay WR07X10031 and overload WR8X167. This will not be the issue if 120Vac isn't getting to the compressor. The freezer fan runs off of the same power wires but will run if the compressor is not. You should check the defrost timer and make sure it isn't in defrost and if it isn't, it is getting and passing the voltage to the temperature control WR09X10074 properly. Consider the temperature control to be the on/off switch. Voltage has to get to it and pass to the compressor for the unit to run.

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