32
1005494 ISSUE 3
OWNER/INSTALLATION MANUAL
Fault
Reason
Solution
Heat pump doesn’t run
No power
Wait until the power is restored
Power is switched off
Switch on the power
Fuse has blown
Check and change the fuse
The breaker is off
Check and turn on the breaker
Fan running but with insufficient heating
Evaporator blocked
Remove the obstructions
Air outlet blocked
Remove the obstructions
Compressor start delay
Wait for the delay timer to time out
Display normal, but no heating
Set temperature too low
Set desired heating temperature
Start delay
Wait for the delay timer to time out
Inaccurate switch action.
Stop the machine, and cut off the power supply immediately,
then contact your dealer
The fuse blows frequently or leakage circuit
breaker trips frequently
If above solutions don’t work, please contact your installer with detailed information and your model number. Don’t try to
repair it yourself.
5�0 TESTING
• Check that the fan, air inlets and outlets are not
obstructed.
• It is prohibited to install refrigeration pipe or
components in corrosive environment.
• Check that the electric wiring conforms to the
electric wiring diagram and that the machine is
earthed.
• Double check that the main power switch is off.
• Check the temperature setting.
• Refer to the user check list in section 5.2 and the
error codes listed in section 5.3 before initiating a
service call
• Do not attempt to interfere with any internal control
settings as these have been factory calibrated and
sealed.
• Any sign of abnormal operation such as water
dripping should be reported immediately to
the installer. If in doubt or if advice is required
contact the Service support team on telephone
+44(0)1621 856611 (option 4).
Inspect the heat pump before use
5�1 HEAT PUMP MALFUNCTION
WARNING: Isolate heat pump electrically, and
wait 3 minutes before removing panels or
entering heat pump�
