118
Fault code dis-
played
System characteristics
Cause
Measures
bC
Control mode without remote
control
Communication error,
Vitotrol remote control,
heating circuit 1 (without
mixer)
Check connections, cable and cod-
ing address "A0" in group
"Heat-
ing circuit ..."
, and check remote
control configuration (see
page 175).
For wireless remote controls:
Check connection, place remote
control close to the boiler.
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 175).
For wireless remote controls:
Check connection, place remote
control 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 175).
For wireless remote controls:
Check connection, place remote
control 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 extension EA1:
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 variable speed
pump
Check setting of coding address
"30" in the
"Boiler"
/
2
group.
C7
Control mode, max. pump
speed
Communication error, ex-
ternal variable speed
heating circuit pump, heat-
ing circuit 1 (without mix-
er)
Check coding address setting "E5"
in
"Heating circuit"
group.
Cd
Control mode
Communication error,
Vitocom 100, type GSM
Check connections and Vitocom
100 (see separate installation and
service instructions).
Without Vitocom 100: Set code
"95:0" in
"General"
group.
Troubleshooting
Fault codes for gas condensing module
(cont.)
5775 636 GB
Diagnosis
Содержание C3TB
Страница 44: ...44 3 5 1 2x 2 4 7 6 Fig 43 Installation sequence Fitting the front panels 5775 636 GB Installation ...
Страница 48: ...48 14 Fig 47 Installation sequence If required for easier handling Dismantling cont 5775 636 GB Installation ...
Страница 136: ...136 Troubleshooting Repairs gas condensing module cont 5775 636 GB Diagnosis ...
Страница 143: ...143 Parts lists Heat cell assembly 5775 636 GB Components ...
Страница 148: ...148 0001 0001 0003 0003 0002 0002 0004 Fig 118 Parts lists External connection assembly 5775 636 GB Components ...
Страница 154: ...154 0006 0003 0005 0001 0002 0004 Fig 121 Parts lists Miscellaneous assembly 5775 636 GB Components ...
Страница 160: ...160 Parts not shown 0009 PCB IU100 B30 Parts lists Fuel cell assembly 5775 636 GB Components ...
Страница 161: ...161 Parts lists Fuel cell assembly cont 5775 636 GB Components ...
Страница 187: ...187 5775 636 GB ...