56 | Inspection/Servicing
6 720 644 143 (2010/09)
15.1 Checklist for inspection/servicing
(Inspection/Servicing report)
Date
1 Retrieve last fault stored on the
Heatronic module, service function 6.A
(Æ page 57).
2 On Logamax plus GB042-22K
appliances, check filter in cold water
pipe (Æ page 57).
3 Perform a visual check of the air/flue gas
routing.
4 Check the gas supply
pressure, (Æ page 52).
mbar
(kPa)
5 Check the gas-air ratio at
min./max. and adjust if
necessary (Æ page 50).
min. %
max. %
6 Check for leaks on the gas and water
connections (Æ page 32).
7 Check heat exchanger, (Æ page 59).
8 Check burner (Æ page 61).
9 Check electrodes (Æ page 57).
10 Check diaphragm in mixer unit
(Æ page 62).
11 Clean condensate trap (Æ page 62).
12 Check the expansion vessel
pre-charge pressure matches
the static head of the heating
system.
bar
(kPa)
13 Check the heating system
pressure.
bar
(kPa)
14 Check electrical wiring for damage.
15 Check the heating controller settings.
16 Check the selected service functions in
accordance with the “Heatronic
settings” label (Æ Fig. 37, page 38)
Table 22
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