Viessmann C3TB, Инструкции по установке и обслуживанию для подрядчиков

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Fault code dis-
played System characteristics Cause Measures
FE Burner blocked or in a fault
state Coding card or main PCB
faulty, or incorrect coding
card Press reset R . If the fault persists,
check the coding card and replace
coding card or control unit.
FF Burner blocked or in a fault
state Internal fault or reset but-
ton
R blocked.
Restart the appliance. Replace the
control unit if the appliance will not
restart.
Note
If subscriber faults occur, "Subscriber fault ..." is dis-
played.
Fault display, fuel cell module
In the event of a fault, the red fault indicator
A
flashes. In the display, " " flashes and "Fault" is
shown.
R
bar
A
Fig. 90
1. OK
2. / for "fuel cell"
3. OK to call up the fault message.
For some faults, the type of fault is also displayed in
plain text.
For an explanation of the fault code, see the following
pages.
Acknowledging fault
Follow the instructions on the display.
Note
■ The fault message is transferred to the standard
menu.
■ Any fault message facility connected will be switched
off.
■ If an acknowledged fault is not remedied, the fault
message will be redisplayed the following day and
the fault message facility restarted.
Calling up acknowledged faults
In the standard menu, select "Fault" . Current faults
will be listed.
Calling up fault codes from the fault memory (fault
history)
The 10 most recent faults (including those remedied)
are saved and can be called up.
Faults are sorted by date.
Service menu:
1. Press
OK and
å
simultaneously for approx. 4 s.
2. "Fault history"
3. "Display?"
Delete fault history
Service menu:
1. Press
OK and
å
simultaneously for approx. 4 s.
2. "Fault history"
3. "Delete?"
Troubleshooting
Fault codes for gas condensing module
(cont.)
5775 636 GB
Diagnosis