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Posted

Used the GE Profile inverter board repair video 4 years ago.  Textbook repair, followed the video exactly.  Refrig down again with same apparent symptoms.  Found the video again and followed.  This time had a voltage of 11 volts at the J15 plug.  Video explains to expect 4 to 6 volts.  Does this higher voltage mean something else is the problem, not the inverter?

Posted

The inverter receives commands from the main control board. The main control board will send a PWM run signal from the J15 connector of 4-6 VDC effective voltage to the inverter (all wires must be connected). The inverter will select compressor speed (voltage output) based on this signal. The main control board will only send a run signal to the inverter when the compressor should be on. Note: When measuring signal voltage (from the main control board) at the inverter, a reading of 4-6 VDC will be measured with all wires connected. If the inverter wiring is disconnected, the board output will measure between 10-12 VDC

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Posted
1 hour ago, Chat_in_FL said:

The inverter receives commands from the main control board. The main control board will send a PWM run signal from the J15 connector of 4-6 VDC effective voltage to the inverter (all wires must be connected). The inverter will select compressor speed (voltage output) based on this signal. The main control board will only send a run signal to the inverter when the compressor should be on. Note: When measuring signal voltage (from the main control board) at the inverter, a reading of 4-6 VDC will be measured with all wires connected. If the inverter wiring is disconnected, the board output will measure between 10-12 VDC

Chat_in_Fl

Thanks for the response.  I rechecked making sure all wires connected.  Voltage now reads 5.6 volts.  Bad inverter board.  New one should get me going.  Just wanted assurance.  Thanks again

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