Table of Contents
Advertisement
Troubleshooting
Fault display
(cont.)
Deleting the fault codes from the fault memory
Press the following keys:
1.
+
Simultaneously for approx. 4 s.
The "Service" menu appears.
2.
/
For "Fault history".
|
~
3.
To confirm.
d
4.
/
For "Delete?".
|
~
Fault codes
Fault code dis-
System characteristics
played
AA
Boiler circuit pump on
■
Valve of return temperature
■
raising facility open
Buffer cylinder control valve
■
open
20
Control mode
21
Control mode
22
Control mode
24
Control unit set to 0 °C out-
side temperature
25
No DHW heating
26
Control mode
27
Control mode
30
Control mode
31
Control mode
52
5.
To confirm.
d
6.
/
for "Yes".
|
~
7.
To confirm.
d
8.
repeatedly, until the standard display
ä
is shown.
Cause
Too much wood charged
■
Incorrect set value se-
■
lected at programming
unit
Faulty system compo-
■
nent (boiler circuit pump,
valve of the return tem-
perature raising facility
or temperature sensor)
Short circuit, boiler water
temperature sensor
Short circuit, return tem-
perature sensor for the
boiler
Short circuit, flue gas tem-
perature sensor
Short circuit, outside tem-
perature sensor
Short circuit, top buffer
temperature sensor
Short circuit, centre buffer
temperature sensor
Short circuit, bottom buffer
temperature sensor
Lead break, boiler water
temperature sensor
Lead break, return tem-
perature sensor for the
boiler
Measures
Activate "Transfer heat" func-
■
tion.
Check the heating water temper-
■
ature before heat up and before
recharging fuel. Can the expec-
ted energy be drawn off or stor-
ed?
Check the boiler circuit pump,
■
valve of the return temperature
raising facility and temperature
sensor.
Undo the dust cap on the high
■
limit safety cut-out and press the
reset button (only possible once
the boiler water temperature is
<70 °C) and acknowledge the
fault.
Check boiler water temperature
sensor.
Check the return temperature sen-
sor for the boiler.
Check flue gas temperature sen-
sor.
Check outside temperature sensor.
Check top buffer temperature sen-
sor.
Check centre buffer temperature
sensor.
Check bottom buffer temperature
sensor.
Check boiler water temperature
sensor.
Check the return temperature sen-
sor for the boiler.
Advertisement
Table of Contents
