93
Cause
Measure
Fault, safety equipment at "X2" of plug-in adaptor 2 for
external safety equipment
Check safety equipment, and reset if required.
A3 Fault message module 2: Safety equipment 4
Boiler cools down.
Cause
Measure
Fault, safety equipment at "X1" of plug-in adaptor 2 for
external safety equipment
Check safety equipment, and reset if required.
A7 Fault clock module in programming unit
Control mode
Cause
Measure
Fault, clock module programming unit
Replace the programming unit.
AA Configuration fault, TSA function
Control mode
Cause
Measure
Therm-Control configuration fault: Plug
aJ
A
not inser-
ted.
■
Insert plug
aJ
A
.
■
Only
for gas condensing boilers, e.g. Vitocrossal:
Parameter "0D:0" in the
"Boiler"
group must be set.
AB Configuration fault, heat exchanger set
Control mode, DHW cylinder may be cold.
Cause
Measure
Configuration fault, cylinder loading system: Parameter
"00:3" in the
"DHW"
group is set, but plug
aJ
B
is not
plugged in and/or parameter "53:1" in the
"General"
group and "55:2" in the
"General"
group are not set.
Insert plug
aJ
B
and check parameters.
AC Configuration fault, return temperature control
Control mode
Cause
Measure
Configuration fault, return temperature control: Parame-
ter "0C:1" in the
"Boiler"
group is set, but plug
aJ
A
is
not plugged in and/or parameter "55:1" in the
"Gener-
al"
group is not set.
Insert plug
aJ
A
and check parameters.
AD Configuration fault, butterfly valve
Control mode
Troubleshooting
Fault messages
(cont.)
5863679
Diagnosis
Содержание Vitotronic 11 CC1E
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