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How to replace the internal fan,
Follow these steps to replace the internal fan:
Procedure
Step
1
Switch of all the power to the unit
2
Remove the upper left side cover by unscrewing the two torx 25 screws that
hold it in place
3
Disconnect the white 4-poled AMP-plug with a small tug
4
Pull out the defect internal fan box
5
Push in the new internal fan box and connect the 4-poled AMP plug
6
Remount the side cover
7
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
continued
Action
43
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