Pool and Spa
Questions about Pool Repair? Ask an Expert Online.
You need to turn off breaker and remove the skirting just below the topside control and then open the control box to expose the circuit board. Look at the circuit board and heater as most likely you had a relay pop or the heater wires, look for burn marks or evidence of burning. It should be plainly visible if you heard two pops. Let me know what you find.