Troubleshooting Fault Display On The Programming Unit; Fault Display On The Programming Unit - Viessmann Vitodens 200-W B2HE Installation And Service Instructions Manual

Fault display on the programming unit

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
switched on.
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 "Error" to display all fault messages.
5. OK
6. / for the required message
For an explanation of the fault codes, see the fol-
lowing table.
7. OK
8. " " for "Error"
9. / to call up further messages
Acknowledging the fault display
1. " "
2. / for "Active messages"
3. OK
4. / for "Error" 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 is
switched off.
If an acknowledged fault is not remedied, the fault
message will be redisplayed the following day at
07:00 h, and the fault message facility restarts.
Calling up acknowledged fault messages
Tap the following buttons:
1. " "
2. / for "Active messages".
3. OK
4. / for "Error"
5. OK
Note
When troubleshooting, always observe the
subscriber number of the component.
Check the component displayed, rectify the fault if
required. The subscriber number of the component
depends on the rotary switch position of the corre-
sponding extension module. The rotary switch
position was set during installation.
To identify the affected module, check the rotary
switch position on the module if necessary.
The following is displayed:
Date and time of the occurrence of the fault
■
Fault number
■
■ Description of the fault
■ Subscriber number of the component on which the
fault has occurred:
PlusBus subscriber components
0 EM-S1 extension (ADIO electronics module)
1 - 15 EM-M1, EM-MX and EM-P1 extensions
(ADIO electronics module)
17 - 31 EM-EA1 extension (DIO electronics module)
32 - 47 Cylinder module, EM-M2, EM-S2 extensions
(M2IO electronics module)
49 - 63 Vitotrol 200-E
64 SDIO/SM1A electronics module
CAN BUS subscriber components
1 HMU heat management unit
50 BCU burner control unit
58 RF module (wireless module)
59 HMI programming unit
60 Fan unit
90 Gateway
Low power radio subscriber components
48 - 63 Vitotrol 300-E
Troubleshooting
77