42
Yes
Burner in operation
No
Shuts down below the set
boiler water temperature and
restarts immediately.
Check the flue system for
tightness (flue gas recircula-
tion). Check gas flow pres-
sure.
Yes
Automatic calibration of
the combustion controller
No
Fault 62, 373
Ensure adequate heat trans-
fer. Reset the appliance.
Fault 346, 377
Check gap between ionisa-
tion electrode and burner
gauze assembly.
Check flue system. Remove
flue gas recirculation if re-
quired.
Reset the appliance.
Operating instructions
For further details regarding faults, see "Troubleshoot-
ing".
Setting the maximum heating output
A limit can be set on the maximum heating output for
heating mode
. The limit is set via the modulation
range.
B1HF-11
The max. heating output is not adjustable.
Tap the following buttons:
1.
and
OK
simultaneously for approx. 4 s, then
release.
2.
Use
/
to select
"b.2"
for system configura-
tion.
3. OK
4.
Use
/
to select
"7"
for max. heating output.
5. OK
6.
Use
/
to set the required value in % of rated
heating output. Factory setting 100 %.
7. OK
Performing an actuator test
The actuator test can only be set via the software tool.
Commissioning, inspection, maintenance
Function sequence and possible faults
(cont.)
6167586