Reset the circuit breaker at the sub or main electrical panel. Share Share Share Share Clean the filter. If filters are dirty, it restricts water flow into the heater. Most heaters have a pressure switch that will not allow the heater to turn on unless the water flow/pressure is sufficient. Topics Pool/Spa Related Posts There is no power to the equipment. The pool or spa light will not turn on. Pool/spa is dirty; filter is not cleaning.
.svg)
