12
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951-171-010
Version 06
EN
12. Repairs
Loosen housing cover Fig. 28
12.2 Replacement of the control pcb
To replace the control pcb proceed as
follows:
• Implement the safety measures as speci-
fied in chapter 9.3.
• Loosen the housing cover (1) by remov-
ing the two screws (1.1).
ATTENTION
Risk of damage to the control pcb. Re-
move the housing cover as straight up-
wards as possible taking care not to knock
against the control pcb.
• Remove the housing cover upwards.
• Verify that the moulded seal of the hous-
ing cover is not damaged. In case of vis-
ible damages the complete housing cover
must be changed (see chapter 9.5).
• Keep housing cover, moulded seal and
screws for future use.
• Remove all cables from the connecting
terminals (6.3). Mark cables to prevent
confusion.
• Remove earthing cable from connection
screw (8).
• Carefully loosen the white plug (6.7) of
the control pcb.
• Open the fixations of the control pcb. To
do so press the two fixations (6.8) from
front to back into the "OPEN" position.
• Press the control pcb (6) upwards out of
the guide rails.
ATTENTION
Fixations of the control pcb Fig. 29
Loosened cables and plugs Fig. 30
6.3
1
1.1
1.1
6.7
6.8
OPEN
CLOSE
8
