Calling Up Fault Codes From The Fault Memory (Fault History) - Viessmann VITOPEND 200 Installation And Service Instructions Manual

Troubleshooting

Calling up fault codes from the fault memory (fault history)

The 10 most recent faults are saved
and may be scanned.
The faults are ordered according to
date, thus the most recent fault is fault
number 1.
Fault codes
Display Const. Weath.‐
fault comp.
code
0F X X
10 X X
18 X X
20 X X
28 X X
80
1. G + d press simultaneously for
2. a/b
3. Note
All saved fault codes can be
deleted with e.
4. d
System char- Cause
acteristics
Regulated op- Maintenance Carry out mainte-
eration
Regulates as Outside tem-
if the outside perature
temperature sensor
was 0 °C shorted out
Regulates as Outside tem-
if the outside perature
temperature sensor lead
was 0 °C broken
Regulates System flow
without flow temperature
temperature sensor
sensor (low shorted out
loss header)
Regulates System flow
without flow temperature
temperature sensor lead
sensor (low broken
loss header)
approx. 2 s
press for individual fault
codes.
Terminate the scan.
Remedy
nance. After the
maintenance, set
code "24:0".
Check the outside
temperature sen-
sor (see page 89)
Check the outside
temperature sen-
sor (see page 89)
Check the low
loss header sen-
sor (see page 91)
Check the low
loss header sen-
sor (see page 91)