82
Calling up acknowledged faults
Press
OK
for approx. 4 s.
The 10 most recent faults (including resolved ones)
are saved and can be called up.
Calling up fault codes from the fault memory (fault
history)
The 10 most recent faults (including those remedied)
are saved and can be called up.
Faults are sorted by date.
1.
Press
OK
and
å
simultaneously for approx. 4 s.
2.
Select "
ã
" and activate fault history with
OK
.
3.
Select fault messages with / .
Deleting fault history
While the list is displayed, press
OK
until flashes.
Confirm with
OK
.
Fault codes
Fault code
displayed
Const.
Weather-
comp.
System characteris-
tics
Cause
Measures
0F
Control mode
Maintenance
"0F" is only dis-
played in the fault
history
Service required
Note
After servicing, set code
"24:0".
10
X
X
Regulates as if the
outside temperature
were 0 °C
Short circuit, out-
side temperature
sensor
Check outside tempera-
ture sensor (see
page 91)
18
X
X
Regulates as if the
outside temperature
were 0 °C
Lead break, out-
side temperature
sensor
Check outside tempera-
ture sensor (see
page 91)
19
X
X
Regulates as if the
outside temperature
were 0 °C
Communication er-
ror, wireless out-
side temperature
sensor
Check wireless connec-
tion (place wireless out-
side temperature sensor
close to the wireless base
station). Log off outside
temperature sensor, then
log on again. Replace if
required (see "Wireless
base station" installation
and service instructions).
20
X
X
Regulates without
flow temperature sen-
sor (low loss header)
Short circuit, sys-
tem flow tempera-
ture sensor
Check low loss header
sensor (see page 92)
28
X
X
Regulates without
flow temperature sen-
sor (low loss header)
Lead break, sys-
tem flow tempera-
ture sensor
Check low loss header
sensor (see page 92)
If no low loss header sen-
sor is connected, set code
52:0.
30
X
X
Burner blocked
Short circuit, boiler
water temperature
sensor
Check boiler water tem-
perature sensor (see
page 92)
38
X
X
Burner blocked
Lead break, boiler
water temperature
sensor
Check boiler water tem-
perature sensor (see
page 92)
Troubleshooting
Fault display
(cont.)
5773 216 GB
Diagnosis
Содержание B2TA
Страница 12: ...12 2 5 1 4 2x 3 Fig 5 Installing the boiler Removing the front panels 5773 216 GB Installation ...
Страница 13: ...13 1 2 SW17 Fig 6 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation ...
Страница 23: ...23 4 1 5 2 2x 3 Fig 16 Installing the boiler Fitting the front panels 5773 216 GB Installation ...
Страница 101: ...101 Parts lists Overview of assemblies 5773 216 GB Components ...
Страница 107: ...107 Parts lists Hydraulics 5773 216 GB Components ...
Страница 118: ...118 0004 0002 0005 0006 0001 0003 Fig 77 Parts lists Miscellaneous 5773 216 GB Components ...
Страница 142: ...142 5773 216 GB ...
Страница 143: ...143 5773 216 GB ...