36
Troubleshooting
Faults which are displayed at the programming unit
The red fault indicator
flashes for all faults.
Fault
flashes in the programming unit display when a fault message is issued.
Finding the fault
1.
Press
c
.
2.
Any fault codes present may be
called up with
a
or
b
.
The fault can be acknowledged
with
d
. The fault message in the
display will be hidden, but the red
fault indicator continues to flash.
A new fault message will be
shown in the display if an
acknowledged fault is not
removed by 07:00 h on the
following day.
Fault display
(
Plain text
or
Fault
)
Fault code
(for explanations, see page 37)
Fault number (
1
to
10
)
Fault symbol
Plain text fault display
H
Burner
H
Outside temperature sensor
H
Flow sensor
H
Cylinder sensor
H
Return sensor
H
Room temperature sensor
H
Flue gas sensor
H
Collector sensor
H
Solar DHW sensor
Calling up acknowledged fault
messages
Press
d
for approx. 3s.
The fault will then be displayed.
Select the acknowledged fault
with
a
or
b
.
5862700GB
Fault
1
Mo
57
w A
º
C
Outside temp. sensor
1
DBG−
10
1