Service Handbook OEB/OES/OGB/OGS
AS/11-2011 4_06e_Yearly Maintenance recommendations_b
Page 4 / 5
12BUNotice:
When necessary or when flushing is not properly performed by the user, the following
areas must be descaled or mechanically cleaned:
8. Steam generator incl. Settling chamber area
9. Water level probe ( ATTENTION: do not handle mechanically.)
13BUCross reference:
See Instructions in this Service Handbook, Chapter 4.1 to 4.5
3B4.6.3 Checking the electrical parts:
14BUSafety: ATTENTION
Unit main power supply must be disconnected with an all-pole isolation switch and
ensured against switching on again.
Make sure its voltage free!
In OGB and OGS close gas tap!
15BUInformation:
The following voltage carrying terminals must be checked (visually) for tightness and
tightened or replaced when necessary:
1. Main connection terminals
2. Complete fuse wiring; Convection heating connections (if available)
3. Terminal blocks
4. Connection terminals X10 to X28 (if available)
5. Immersion heater neutral terminals (if available)
6. Convection heater connection terminals (if available)
7. Switch unit on again and check that oven light is functioning.
8. Switch unit on again and if necessary open the gas tap and perform check of the
functioning of the processes via the diagnose Service numbers d04 – d24 (see
Chapter 3.1 Customer Service Service programme Testing the outputs)
4B4.6.4 Check and Visual check
16BUCheck:
1. Visual check: Check rotary worm of the door latch for wear.
2. Check door hinge for tightness and wear and if necessary replace.
3. Check tightness of the upper hinge bolts (Attention: tighten securely).
4. Check front panel for water tightness (holes or tears) (replace immediately).
i
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