Checking And Acknowledging Faults - Viessmann VITODENS 200-W WB2B Service Instructions For Contractors

Fault display
(cont.)
Collector sensor
Solar DHW sensor

Checking and acknowledging faults

Note
If an acknowledged fault is not
removed, the fault message will be re-
displayed:
With a constant temperature control
unit after 24 h
With a weather-compensated con-
trol unit at 7:00 h the next day
Constant temperature control unit
Press the following keys:
1. a/b for further fault codes.
Weather-compensated control unit
Press the following keys:
1. c for the current fault.
2. a/b for further fault messages.
Calling up acknowledged fault messages
Press the following keys:
1. d for approx. 3 s.
Remote control
Fault participant
2. d All fault messages are
acknowledged simulta-
neously, the fault display
will be deleted and the red
fault indicator continues to
flash.
3. d All fault messages are
acknowledged simulta-
neously, the fault display
will be deleted and the red
fault indicator continues to
flash.
2. a/b for the acknowledged fault.
Troubleshooting
69