Fault Display On The Programming Unit - Viessmann B1KE Combi Series Installation And Service Instructions Manual

Vitodens 100-W, B1HE/B1KE Combi Installation/Service

Fault Display on the Programming Unit

If there is a fault, the display shows "Burner fault" or
"Active messages".
Note: If a central fault message facility is connected, this
is started.
If "Connection error" appears on the display:
Check connecting cable and plug between HMU heat
management unit and HMI programming unit.
Calling up fault messages
Tap the following buttons:
1. " "
2. for:
"Details", if burner faults are present.

"Active messages", if further faults are present.

3. OK
4. for "Fault" to display all fault messages.
5. OK
6. for the required message
For an explanation of the fault codes, see the
following table.
7. OK
8. " " for "Fault"
9. to call up further messages
Acknowledge fault display
1. " "
2. for "Active message"
3. OK
4. for "Fault" to display all fault messages.
5. OK
6. for "Acknowledge" to acknowledge all
fault messages.
Note: Service messages are also acknowledged.
Note: Any connected central fault message facility
stops. If an acknowledged fault is not remedied,
the fault message will be redisplayed the
following day at 07:00, and the fault message
facility restarts.
Calling up acknowledged fault messages
Tap the following buttons:
1. " "
2. for "Active messages".
3. OK
4. for "Fault"
5. OK
Note: When troubleshooting, always observe the
subscriber number of the component.
Check the component displayed. Remedy fault
if applicable.
To identify the affected module, check the position
of rotary switch S1 on the module if necessary.
The following is displayed:
Date and time of the occurrence of the fault

Fault code

Description of the fault

Subscriber number of the component on which the

fault has occurred:
CAN BUS subscriber components
1 HMU heat management unit
50 BCU burner control unit
58 Communication module (TCU 200)
59 HMI programming unit
60 Fan unit
Calling up fault messages from the fault memory
(message history)
The 10 most recent faults (including those remedied)
and service messages are saved and can be called up.
Faults are sorted by date.
Tap the following buttons:
1. and OK simultaneously for approx. 4 sec, then
release.
2. for "Message history"
3. OK
4. Use to select the required category.
"Faults" to call up saved fault messages.

"Service messages" to call up saved service

messages.
"Status", to call up the saved status messages.

"Warnings" to call up saved warning messages.

"Information", to call up saved service information.

For messages, see chapter "Further messages", page 70.
5. OK
6. for the required message
7. OK
Delete message list
1. and OK simultaneously for approx. 4 sec, then
release.
2. "Message history"
3. OK
4. Use to select "Delete message list".
5. OK
6. OK to confirm the prompt.
Troubleshooting
69