Inspection/Servicing
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57
6 720 644 143 (2010/09)
15.2 Description of various servicing
operations
15.2.1 Retrieving last fault stored (service function
6.A)
B
Select service function
6.A
(
Æ
page 43).
15.2.2 Checking electrodes
B
Remove electrode set (
Æ
page 10) and gasket.
Check electrodes for dirt; clean or replace if required.
B
Refit electrode set and check for tightness (Fig. 56).
Fig. 55
Fig. 56
15.2.3 Strainer in cold water pipe (ZWB)
B
Undo cold water pipe and check filter for dirt.
Fig. 57
For an overview of faults, see page 67.
6720613354-01.2O
3+1Nm
1
6 20 613 3 4 02 2O
Gas/Gaz?
6 720 612 659-48.1R
1.
2.
3
.