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Last 10 Posts (In reverse order)
ThatGuy Posted: Wednesday, October 13, 2021 12:22:38 PM(UTC)
Sounds like a plan. Just make sure the place that repairs it has a decent warranty on their work. Reasonable shipping is good too.
Steve0001 Posted: Wednesday, October 13, 2021 11:40:44 AM(UTC)
The board is kind of difficult to work on because it is "potted" with some kind of soft transparent glue or resin. I couldn't make out any markings on IC300 (it might be propietary - i.e. unmarked) and I don't know if the markings on the electrolytic capacitor are readble anymore (or check if it might be identical to another capacitor I can read). The quickest solution for me is to acquire a refurbished board (and maybe get my failed board repaired and possibly passed on to someone who needs it if I don't).
ThatGuy Posted: Wednesday, October 13, 2021 8:05:45 AM(UTC)
Leaky capacitors do all kinds of bad things. I don't know much about this particular washer, but I do know something about electronics. Unless you can repair the board, you are going to need a new one.
Steve0001 Posted: Tuesday, October 12, 2021 11:56:20 PM(UTC)
Various symptoms point to a compromised inverter board, even though the washer (GE Harmony Profile washing machine WPGT9360E0PL) passes the self-test and the inverter board voltages measure normal when tested as described in the service manual. The washer displayed the standard failure message followed by error codes suggesting the inverter board might be the culprit. I believe the inverter board is failing under load (e.g. washer rotation is erratic and produces an out-of-balance error trying to spin even when empty). The inverter board is discolored in the vicinity of IC300 and a nearby electrolytic capacitor appears to be leaking.

The service manual states

"Look for a burnt IC, labeled IC300, on the
inverter board. Both the resistor and inverter
board should be replaced if the IC300 is

I am replacing the inverter board, but the braking resistor however shows no signs of damage and reads about 70.3 ohms as expected when tested. I believe it to be just fine and I have no plans to replace it unless someone can convince me otherwise. Thanks.