Pool Heater Maintenance

Problem: Heater Will Not Come On

Possible Cause
Remedy
Automatic ignition system fails Check if electrical connections are correct and securely fastened. If "Yes", call for service.
Millivolt ignition fails Check to see if pilot is lit. If not, refer to "Operating Lighting Instruction" - Millivolt.
Pump not running Check that pump is turned on.
Pump air locked Check for leaks.
Filter is dirty Clean filter
Pump strainer is clogged Clean strainer.
Defective wiring or connection Call for service to repair or replace wires.
Defective pressure switch Call for service to replace switch
Defective gas controls Call for service to repair controls
On/Off Switch in "Off" Position Turn switch to "Pool" or "On" position

Problem: Heater Short Cycling (Rapid On/Off Operation)

Possible Cause Remedy
Insufficient water flow Clean filter and pump strainer.
Defective wiring Call for service to repair or replace wires.
Defective flow valve or out of adjustment Call for service
Defective hi-limit switch or thermostat Call for service

 

 
 

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