Viessmann Vitodens 200, Service Instructions Manual

Page: 34 / 116

34
Troubleshooting
Diagnosis using the control unit
(cont.)
Fault message
Display System characteristics
Control
unit for
Control unit for weather-
compensated mode with
p y
Burner
fault,
d
constant
temp.
mode
standard
programming
unit
Comfortrol
programming
unit
red
U Ă0Ă4 U :0:ă4 FAULT: 04
(004
*1
)
ON Burner control unit fault
U Ă0Ă5 U :0:ă5 FAULT: 05
(005
*1
)
ON Burner control unit fault
U Ă0Ă6 U :0:ă6 FAULT: 06
(006
*1
)
ON Burner control unit fault
U Ă0Ă7 U :0:ă7 FAULT: 07
(007
*1
)
ON Burner control unit fault
U Ă0Ă8 U :0:ă8 FAULT: 08
(008
*1
)
ON Burner control unit fault
U Ă0Ă9 U :0:ă9 FAULT: 09
(009
*1
)
ON Burner control unit fault
U Ă0ĂA U :0:ăA FAULT: 0A
(010
*1
)
ON Burner control unit fault
*1
Call up display of fault codes from the fault memory.
5692Ă485
G
B