HX Pool and Spa Heater
Page 16
TROUBLESHOOTING
HEATER WILL NOT LIGHT
Possible cause
Remedy
Automatic ignition system fails
Check if power to heater is turned on and
pump is in operation
Pump not running
Start pump
Pump airlocked
Check for leaks
Filter dirty
Clean filter
Pump strainer basket clogged Clean
strainer
Defective gas control
Shut off gas supply and call for service
Thermostat turned off
Turn on
Set temperature lower than water temperature Increase
set
temperature
Water too hot-fault condition displayed
Refer to fault indication table
HEATER SHORT CYCLING (RAPID ON AND OFF OPERATION)
Possible cause
Remedy
Insufficient water flow
Clean filter and pump strainer
Defective wiring
Repair or replace wiring
Defective high limit or thermostat
Repair or replace
HEATER MAKING KNOCKING NOISES
Possible cause
Remedy
Heater operating after pump has shut off
Shut off gas supply and call for service
Heat exchanger scaled
Shut off gas supply and call for service
If the heater cannot be made to perform correctly, please contact the Hurlcon office closest to you.
For
VIC:
Phone (03) 9701 5166
NSW metro: Phone (02) 9674 8544
QLD:
Phone
(07)
3393
3233
SA:
Phone (08) 8345 5755
For all other areas, please contact our Victorian office.
