Technical data

116
Troubleshooting – Vitotronic 100, GC1
Viewing fault codes from the fault memory (error history)
1. Press rw and simultaneously
for approx. 2 seconds.
2. Call up the individual fault codes
with or .
Order of fault
codes occurred
Fault code
1
Last fault code
.
.
.
.
.
.
10
10
th
last fault
code
All saved fault codes can be deleted
with D.
3. Press .
Faults displayed at the programming unit
DBGU Fault symbol
2 Consecutive number (1 to 10)
d5 Fault code (for explanations see
from page 117)
Red fault indicator A flashes for all
faults.
If a fault message is recognized, the
display flashes Fault.
Finding the fault
1. Press .
2. Call up further fault codes
with or .
The fault can be acknowledged with
. The fault message in the display
will be hidden, but red fault lamp A
continues to flash. A new fault
message will be displayed if an
acknowledged fault is not removed
by the following morning.
A central fault messaging device
connected to plug gÖ will be
activated.
5351 340 v1.4
1 2 3 4 5 6 7
Fault
57
Fr
1
2
3
A
Fault
1
DBG-
d52
Outdoor temp. sensor
1
DBG-
101