85
Fault code
displayed
Const.
Weather-
comp.
System characteris-
tics
Cause
Measures
C3
X
X
Control mode
Communication er-
ror, AM1 extension
Check connections
Without AM1 extension:
Set code "32:0" in group
"General"
/
1
.
C4
X
X
Control mode
Communication er-
ror, OpenTherm
extension
Check OpenTherm exten-
sion
C5
X
X
Control mode, max.
pump speed
Communication er-
ror, internal speed-
controlled pump
Check coding address
setting "30" in group
"Boiler"
/
2
Cd
Control mode
Communication er-
ror, Vitocom 100
Check connections and
Vitocom 100 (see sepa-
rate installation and serv-
ice instructions).
Without Vitocom 100: Set
code "95:0" in group
"General"
/
1
.
CF
X
Control mode
No communication
via LON.
Communication er-
ror, LON communi-
cation module
Check LON communica-
tion module and replace if
required.
If no LON communication
module is installed, set
code "76:0" in group
"General"
/
1
.
d6
X
X
Control mode
DE1 input at EA1
extension reports a
fault
Remove fault at appliance
concerned
d7
X
X
Control mode
DE2 input at EA1
extension reports a
fault
Remove fault at appliance
concerned
d8
X
X
Control mode
DE3 input at EA1
extension reports a
fault
Remove fault at appliance
concerned
dA
X
Control mode without
room influence
Short circuit, room
temperature sen-
sor, heating circuit
1 (without mixer)
Check room temperature
sensor, heating circuit 1
db
X
Control mode without
room influence
Short circuit, room
temperature sen-
sor, heating circuit
2 (with mixer)
Check room temperature
sensor, heating circuit 2
dC
X
Control mode without
room influence
Short circuit, room
temperature sen-
sor, heating circuit
3 (with mixer)
Check room temperature
sensor, heating circuit 3
dd
X
Control mode without
room influence
Lead break, room
temperature sen-
sor, heating circuit
1 (without mixer)
Check room temperature
sensor for heating circuit
1 and remote control con-
figuration (see page 132)
dE
X
Control mode without
room influence
Lead break, room
temperature sen-
sor, heating circuit
2 (with mixer)
Check room temperature
sensor for heating circuit
2 and remote control con-
figuration (see page 132)
Troubleshooting
Fault codes
(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 ...