Page GB-38
Example for data bus error messages
(data bus address error)
Error code 70 with index 0 or 1
The control unit contains comprehensive error identification logics,
which shows both control errors as well as system errors with prio-
rity by means of an associated error code.
Attention: Error messages only appear in the standard display
in succession with the respective error message.
In case of error messages the heating spe-
cialist has to be informed!
1122--00
EERRRROORR
FFLLOOWW
3300--22
EERRRROORR
HHEEAATT GGEENNEERR..
7700--11
EERRRROORR
BBUUSS
Example for sensor error messages
(Short-circuit or interruption)
Error code 10.. . 20 with index 0 or 1
Examples for boiler control unit error messages (control
status)
Error code 30. ..40 with index 2.. .5
Error messages
!
GB
8A521100_GB.qxd 10.11.2004 12:05 Seite 38
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