Installation and operating instruction
Oil condensing boiler WTC-OB 18-B
9 Servicing
83311002 1/2018-03 La
73-132
9.3 Servicing display
The time interval to the next service can be set. A flashing spanner will appear in
the display when the set interval has expired.
Customer service
is displayed, if
the remote control station WCM-FS is used.
Setting the service interval
Activate parameter level [ch. 6.3].
Set service interval via parameter
70
.
Resetting the service display
1
The service display
1
must be reset after servicing:
Activate info level [ch. 6.3].
Select
i 45
in the Info level.
Press [Enter] for 2 seconds.
Service display and timer are reset.
Service display combustion chamber pressure
During burner operation, the combustion chamber pressure is monitored continu-
ously. If the combustion chamber pressure exceeds the predetermined value, a ser-
vice message will appear in the display. The spanner icon flashes intermittently
(twice briefly, long pause).
For cause and remedy, see chapter Error code (
F19
).