Viessmann Vitodens 200 Service Instructions Manual page 12
Type wb2a, 8.8 to 20.0 kw wall mounted gas fired condensing boiler natural gas and lpg version
Hide thumbs
Also See for Vitodens 200:
- Technical manual (180 pages) ,
- Installation instructions manual (148 pages) ,
- Service manual (132 pages)
Table of Contents
Advertisement
Commissioning, inspection, maintenance
Further details regarding the individual steps
Yes
Ignition
Yes
Gas combination
valve opens
Yes
Ionisation cur-
rent builds
(higher than
5 µA)
Symbol A
Yes
Burner in opera-
No
tion
For further details regarding faults, see page 68.
12
Fault F4
No
Fault F4
No
Fault F4
No
Stops below the
set boiler water
temperature and
restarts immedi-
ately
(cont.)
Check ignition
module (control
voltage 230 V
across plugs
"X2.1" and
"X2.2")
Check the gas
combination valve
(control voltage
230 V); check the
gas supply pres-
sure
Check the ionisa-
tion current,
check the elec-
trode adjustment
and the gas pipe
for airlocks
Check flue gas
system for sound-
ness (flue gas re-
circulation),
check gas flow
pressure
Advertisement
Table of Contents
