Probable Cause
- Interruption or spike in power.
- Poor connection or damaged power cord.
- The On/Off switch is bad.
- Control board is bad.
Corrective Action
- Reset power to the unit at the On/Off switch.
- Inspect power cord and repair if damaged or replace any poor connections.
- Replace the On/Off switch.
- Test unit with a known good control board. Replace control board if necessary.
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