The diagnostic LED shown below will specify the following:
1. One Flash - Indicates the overflow protection circuit is open (only on P-60 pump equipped
units).
2. Two Flashes - Indicate an open thermistor or out of range (too warm) problem.
3. Three Flashes - Indicate the unit has both failure conditions above.
Note: Interrupting power to the board is the only method of clearing the error codes. Switching off the
ON/OFF/CLN switch does not clear the codes.
error codes.