830209G/160228 - Tekniske ændringer forbeholdes - Technische Änderungen vorbehalten - Subject to Technical Modications - 47
4. Fault nding
The unit is equipped with the following safety systems:
4.1 High pressure switch
To prevent the compressor exceeding its range of
application, there is an integral high pressure switch,
which interrupts when the pressure becomes too high.
In case of interruptions (too high pressure) the red light in
the control panel will ash and the high pressure switch
will stop the heat pump. The red light lights. Restart
the equipment by manually resetting the high pressure
switch.
For manually resetting the high pressure switch. The front
door can be removed by releasing the screws.
For RESET press the RED BUTTON:
4.2 Heat pump will not operate
Unit has stopped:
No light in the control panel, even though buttons are
pressed.
Error:
Is the unit connected to power?
Is there power in the electric outlet?
Is the heat pump disconnected through the clock
program?
Has the high pressure switch been activated?
The cable between the controller and the panel is
mounted?
Has the lter been changed? (lter error on the unit?)
Water frost error
Condensate running out of appliance:
Error:
Condensate drain blocked by dirt
Condensate drain blocked by frozen water.
•
•
•
•
•
•
•
•
•
•
4.3 Air faults
No supply air to living rooms:
Error:
Defective fan
Blocked bag lter
Fresh air grill blocked by dirt and leaves in the
autumn or snow and ice in the winter.
Fuse on control circuit board has blown
No extract air from wet rooms:
Error:
Defective fan
Blocked at lter
Fuse on control circuit board has blown
Roof diffuser is blocked by snow and ice in the winter
Cold supply air:
Error:
Counter current heat exchanger is blocked with dirt
or ice
Extract fan defective
Extract lter blocked
Heat exchanger defect
Cooling area blocked with ice
Control panel or circuit board defect
Sensor defect
If none of these causes solves the problem please
contact your local installer or service technician.
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
ENGLISH