Specifications

7 181 465 346 GB (03.02)
Failure identification procedure
45
6. Does the gas supply type match the
specifications on the appliance iden-
tification plate?
yes: ↓7.
no: B Carry out gas type conversion as described in
installation instructions.
7. B Test gas supply pressure - OK? yes: ↓8.
no: B Decommission appliance.
B Notify gas company.
8. Problem with flue?
B Check CO
2
level in combustion
air.
Is CO
2
level above 0,2 % ?
yes: B Check flue and repair or replace if necessary.
↓9.
no: ↓9.
9. Flue gas CO
2
levels measured at
min. and max. load do not match
specified levels.
B Measure CO
2
levels.
yes: B Adjust CO
2
level as per installation instructions.
no: ↓10.
10. Burner not correctly fitted or defec-
tive?
B Remove burner.
Cover fixings not tight or seal
defective or not correctly fitted or
burner defective!
B Replace burner and seal if necessary.
B Ensure seal is fitted in correct position.
To return to normal function mode:
B Press buttons and simultaneously.
B Regulate the temperature control and the
temperature control on the previously set
positions.
Ignition too harsh, ignition poor
Check Action