Nordyne mod. # MT30C-042K condensing unit control board
Checked unit and found 24 volts to board, but not running, nor contactor pulled in. Removed and re-installed ODT and unit came on. Worked OK till customer had power outage, when power returned, condensing unit failed to come on. Removed ODT and bypassed, came on fine until a another utility related power failure again. Again found condensing unit off. Removed and replaced jumper and unit runs. Do I have board issues and if so is that board model # 917178A?
IF you have low voltage to board, BUT not out of board to contactor, then unless there is a timer on board delaying it, it is bad.
With it only happening with a power outage, sounds more like a delayed timer issue.
Thanks,
Robert
With it only happening with a power outage, sounds more like a delayed timer issue.
Thanks,
Robert
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