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Spent a whole Tuesday chasing a ghost voltage on a washing machine board
Last Tuesday I had this Frigidaire washer that kept throwing an E23 error. I spent about 4 hours checking every solder joint and trace on the control board. Turned out it was a cracked resistor near the relay driver that looked fine until I hit it with a freeze spray. The voltage was dropping just enough under load to trigger the fault. I replaced a 10 cent part and it fired right up. Customer was happy but I lost half a day on one stupid resistor. Has anyone else dealt with these intermittent E23 codes on Frigidaire boards?
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jade7383mo ago
Freeze spray is the trick. Found a cracked resistor on a Frigidaire board just like that.
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seanjohnson3mo ago
Hey @jade738, did you end up doing anything special to keep those cracked resistors from coming back, like adding a dab of glue or something? I figure the vibration in these washers just slowly breaks them down over time...
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