96
Fault code dis-
played
System characteristics
Cause
Measures
bd
Control mode without remote
control
Communication error,
Vitotrol remote control,
heating circuit 2 (with mix-
er)
Check connections, cable and cod-
ing address "A0" in group
"Heat-
ing circuit"
, and check remote
control configuration (see
page 123).
For wireless remote controls:
Check connection, place remote
control unit close to the boiler.
bE
Control mode without remote
control
Communication error,
Vitotrol remote control,
heating circuit 3 (with mix-
er)
Check connections, cable and cod-
ing address "A0" in group
"Heat-
ing circuit"
, and check remote
control configuration (see
page 123).
For wireless remote controls:
Check connection, place remote
control unit close to the boiler.
bF
Control mode
Incorrect LON communi-
cation module
Replace LON communication mod-
ule
C1
Control mode
Communication error, EA1
extension
Check connections
Without EA1 extension:
Set code "5b:0" in
"General"
group.
C2
Control mode
Communication error, so-
lar control module
Check solar control module
C3
Control mode
Communication error,
AM1 extension
Check connections
Without AM1 extension:
Set code "32:0" in
"General"
group.
C4
Control mode
Communication error,
OpenTherm extension
Check OpenTherm extension
C5
Control mode, max. pump
speed
Communication error, in-
ternal speed-controlled
pump
Check coding address setting "30"
in group
"Boiler"
/
2
Cd
Control mode
Communication error,
Vitocom 100
Check connections and
Vitocom 100 (see separate installa-
tion and service instructions).
Without Vitocom 100: Set code
"95:0" in
"General"
group.
CF
Control mode
No communication via LON.
Communication error,
LON communication mod-
ule
Check LON communication mod-
ule and replace if required.
If no LON communication module
is installed, set code "76:0" in
"General"
group.
d6
Control mode
DE1 input at EA1 exten-
sion reports a fault
Remove fault at appliance con-
cerned
d7
Control mode
DE2 input at EA1 exten-
sion reports a fault
Remove fault at appliance con-
cerned
d8
Control mode
DE3 input at EA1 exten-
sion reports a fault
Remove fault at appliance con-
cerned
dA
Control mode without room
influence
Short circuit, room tem-
perature sensor, heating
circuit 1 (without mixer)
Check room temperature sensor,
heating circuit 1
Troubleshooting
Fault codes
(cont.)
5773 238 GB
Diagnosis
Содержание 7513244
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Страница 12: ...12 13 14 15 Fig 3 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 13: ...13 16 Fig 4 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 14: ...14 sF 17 19 21 20 18 Fig 5 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 15: ...15 24 22 23 Fig 6 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 16: ...16 27 26 25 Fig 7 Preparing for installation Installation preparations cont 5773 238 GB Installation ...
Страница 35: ...35 2x 1 4 2 3 5 Fig 27 Installation sequence Fitting the front panels 5773 238 GB Installation ...
Страница 135: ...135 Parts lists Hydraulic assembly 5773 238 GB Components ...
Страница 146: ...146 0004 0002 0005 0006 0001 0003 Fig 107 Parts lists Miscellaneous 5773 238 GB Components ...