NorthFlo PSNF50 - Maintenance; Trouble Shooting for Common Faults

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D．If the machine is stopped for a long time, please cut off the power supply and drain
water clear of the machine by opening the tap of inlet pipe.
IX. Maintenance
A．“Cut off” power supply of the heater before any examination and repair.
B．In winter seasons, please drain water clear of the machine, “cut off” power supply
to prevent any machine damage, and cover the machine body with plastic foil to
avoid dust.
C．Please clean this machine with household detergents or clean water, NEVER
gasoline, thinners or any similar fuel.
D. Check bolts, cables and connections regularly.
X. Trouble shooting for common faults
Faulty
Reason
Solutions
Not starting
Main power is off
Wait for power to be reinstated
Switch off
Switch on
Burnt out fuse
Replace it
Circuit breaker drops out
Switch Circuit Breaker back on
There is air
outlet but the
heating is not
satisfactory
Blocked air inlet
Clean out the stem
Blocked air outlet
Clean out the stem
3 minutes time lag protection
Please wait
Temperature set too low
Increase temperature setting accordingly
If the above mentioned faults cannot be solved, please contact the professional and inform model
and detailed faulty condition.
Atten: Please don’t disassemble and repair the swimming pool heater by yourself, please leave it
to the professionals.