Maintenance And Winterizing; Trouble Shooting For Common Faults - Fairland Inverter-Plus Serie Manual Del Usuario

2.4. Maintenance and winterizing

2.4.1 Maintenance
The maintenance should be carried out once per year by qualified professional
① Cut off power supply of the
technician.
heat pump before cleaning,
examination and repairing .
Do not touch the electronic
components until the LED
② Please clean the evaporator with household detergents or clean water, NEVER use
indication lights on PCB turn off.
③ Check bolts, cables and connections regularly.
gasoline, thinners or any similar fuel.
2.4.2 Winterizing
In winter season when you don't swim, please cut off power supply and drain water out of
the heat pump. When using the heat pump under 2℃, make sure there is always water
flow.

3. Trouble shooting for common faults

Failure
Heat pump doesn't run
Fan running but with
insufficient heating
Display normal, but no
heating
If above solutions don't work, please contact your installer with detailed information and your model
number. Don't try to repair it yourself.
ATTENTION！Please don't try to repair the heat pump by yourself to avoid any risk.
Reason
No power
Power switch is off
Fuse burned
The breaker is off
evaporator blocked
Air outlet blocked
3 minutes start delay
Set temp. too low
3 minutes start delay
For installers and professionals
Important:
Unscrew the water union of inlet pipe
to let the water flow out.
When the water in machine freezes in
winter season, the titanium heat
exchanger may be damaged.
Wait until the power recovers
Switch on the power
Check and change the fuse
Check and turn on the breaker
Remove the obstacles
Remove the obstacles
Wait patiently
Set proper heating temp.
Wait patiently
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Solution