Viessmann Vitodens 333-F Service Instructions Manual page 76

Troubleshooting
Fault display
(cont.)
& Remote control
& Fault participant
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
approx. 2 s.
76
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.