MX Pool and Spa Heater Page 7
FAULT INDICATION
Under fault conditions the thermostat display will indicate a set of alpha numeric symbols to
indicate the status of the heater. The meaning of each symbol and action to be taken are listed as
follows:
SYMBOL MEANING ACTION
Temp Display Unit has power. No action.
F0 Heater locked off, thermistor If water temperature reads
wire disconnected or water greater than 0°C, phone for
at 0°C (freeze conditions). service.
F1 Thermostat reads greater Allow water to cool,
than 45°C. turn heater off then on again.
F2 Mechanical Hi Limit greater Allow water to cool,
than 45°C. turn heater off then
on again.
F3 Thermistor fault Phone for Service
F4 Flame rollout detected Phone for Service
L Heater locked out on time No action. Heater will
delay for 2 minutes. Automatically reset after
time delay.
Or switch off then on again
for immediate ignition.
Pump operating & sufficient No action
water pressure to operate heater
Thermostat calling for heat. No action, heater should
Electronic Ignition operating. ignite after small time delay.
Burner system has ignited and No action
is operating.
To Next Page
Loading...