OH Water is going over 110 degrees
FIX: If the water IS overheating, then either the temp sensor or the board
has failed. If the heater is NOT getting hot, then the Temp sensor has
failed.
- - -
Watchdog mode.
FIX: Water heated to 120 degrees or board has internal faults. If the
water DOES overheat, see error code OH. If the water doesn’t
heat but you got this error, first turn off power for several hours and
restart. If the error returns, then next step is replacing the temp sensor.
This has commonly solved the problem. If this doesn‘t solve the problem,
replace pcboard.
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