Troubleshooting Fault Display - Viessmann VITODENS 200-W Service Instructions Manual

Troubleshooting
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.
70
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.