Troubleshooting Fault Display And Other Messages On The Programming Unit - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Fault display and other messages on the programming unit
If there is a fault, the display shows the fault message
plus .
Note
If a central fault message facility is connected, this is
switched on.
1. Tap in the footer to call up the fault messages.
See the following table for an explanation of the
fault codes.
2. Tap to hide the fault messages.
See the following table for an explanation of the
fault codes.
If "Connection error" and
Check connecting cable and plug between heat man-
agement unit and HMI programming unit.
Acknowledging messages
Tap .
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 an acknowledged message
Tap the following buttons:
1. " "
appear on the display:
2. Tap "Message lists".
The fault messages appear in chronological order.
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/SDIO/SM1A
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 extensions
(M2IO electronics module)
48 - 63 Vitotrol 200-E
CAN BUS subscriber components
1 Heat management unit
50 Burner control unit (BCU)
58 RF module (wireless module)
59 Programming unit (HMI)
60 Fan unit
94 Fuel cell
97 External electricity meter (CAN bus)
Low power wireless subscriber components
48 - 63 Vitotrol 300-E
Read out fault messages and other 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. " "
2. "Service"
3. Enter password "viservice".
4. Use to confirm.
5. "Message history"
Troubleshooting
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