63
018717 • Version
1.1 • 23.01.2007
How to replace the heater contactor,
continued
Procedure
Follow these steps to replace the compressor contactor:
Step
Action
1
Switch of all the power to the unit
2
Remove the internal front cover at the control board by unscrewing the 12
torx 25 screws
3
Loosen the 5 lower screws on the contactor
4
Release the 4 wires
5
Place the screwdriver in the hole to the left at the bottom and press down
and pull obliquely upwards
6
Hitch on the new contactor – first at the top and push slight at the bottom
until it clicks in place
7
Reconnect the 4 wires (see numbers on the wires and the contactor)
8
Tighten all screws
9
Remount the front cover
10
Connect the power
Result: The test program runs through all functions.
Check that the unit does not come out with an alarm signal.
In case of an alarm signal, please see section “Fault finding guide”, page 71
