Control unit faults
1.
Find current fault with
c
.
2.
Select additional fault codes
with
a
and
b
.
3. Acknowledge fault
The fault can be acknowledged
with
d
. The fault message in the
display will be hidden, but red fault
indicator
A
continues to flash. A
new fault message will be shown in
the display if an acknowledged fault
is not removed by 07:00 h the fol-
lowing day.
Fault on the burner control unit
1.
Find current fault with
c
.
2.
Select additional fault codes
with
a
and
b
.
3. Acknowledge fault
The fault can be acknowledged
with
d
. The fault message in the
display will be hidden, but red fault
indicator
A
continues to flash. A
new fault message will be shown in
the display if an acknowledged fault
is not removed by 07:00 h the fol-
lowing day.
Call up current fault codes
(cont.)
73
Troubleshooting
56
92
548
GB
Summary of Contents for VITODENS 333
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