AUXILIARY PUMP RUN SWITCH DIAGNOSTICS

A MINIMUM OF 10 VOLTS IS PRESENT ON TERMINAL #3 OF THE MASTER RELAY WHILE PUSHING THE PUMP RUN SWITCH

IMPORTANT:
PUMP RUN SWITCH ONLY WORKS IN ONE DIRECTION

 

While pushing the pump run switch, check for as minimum of 10 volts between terminal #5 (pump relay) and ground terminal #8 of the pump relay. Is a minimum of 10 volts present on terminal #5?

 
A minimum of 10 volts is NOT present on terminal #5 A minimum of 10 volts is present on terminal #5

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