5�1 Heat Pump Malfunction - Calorex V-PAC VPT 12 ALX Owners & Installation Manual

5�1 HEAT PUMP MALFUNCTION
WARNING: Isolate heat pump electrically, and
wait 3 minutes before removing panels or
entering heat pump�
• 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.
Fault
Heat pump doesn't run
Fan running but with insufficient
heating
Display normal, but no heating
Inaccurate switch action.
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.
1005759 ISSUE 2
• 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).
Reason
No power
Power is switched off
Fuse has blown
The breaker is off
Evaporator blocked
Air outlet blocked
3 minutes start delay
Set temperature too low
3 minutes start delay
Stop the machine, and cut off the power supply immediately, then
contact your dealer
Solution
Wait until the power is restored
Switch on the power
Check and change the fuse
Check and turn on the breaker
Remove the obstructions
Remove the obstructions
Wait for the delay timer to time out
Set desired heating temperature
Wait for the delay timer to time out
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