Viessmann Vitodens 222-F B2TA series, Инструкция по установке и обслуживанию

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122
Dis-
played
fault
code Const. Weath.-
comp. System char-
acteristics Cause Measures
0F Control mode Service
"0F" is only
displayed in
the fault histo-
ry Service required
Note
After servicing, se-
lect code "24:0".
10 X X Controls as if
the outside
temperature
were 0 °C Short circuit,
outside tem-
perature sen-
sor Check outside tem-
perature sensor
(see page 139)
18 X X Controls as if
the outside
temperature
were 0 °C Lead break,
outside tem-
perature sen-
sor Check outside tem-
perature sensor
(see page 139)
19 X X Controls as if
the outside
temperature
were 0 °C Communica-
tion error,
wireless out-
side tempera-
ture sensor Check wireless
connection (place
wireless outside
temperature sen-
sor close to the
wireless base sta-
tion). Log off out-
side temperature
sensor then log on
again. Replace if
required (see
"Wireless base sta-
tion" installation
and service in-
structions)
20 X X Regulates with-
out flow tem-
perature sen-
sor (low loss
header) Short circuit,
system flow
temperature
sensor Check low loss
header sensor (see
page 140)
Troubleshooting
Fault codes
5773 216 GB