English
Fault
The flame extin-
guishes immediately
after ignition; the
control light is on.
The air combustion
fan keeps running,
while the hot air fan
has stopped and the
heater has cooled
down.
There is soot forma-
tion in the combus-
tion chamber and in
the flue.
There is soot forma-
tion in the combus-
tion chamber and in
the flue.
There is leakage
between the bottom
of the control panel
and the vaporiser.
26
Cause
7
There is water or sedi-
ment in the fuel tank.
8
The fuel supply pipe is
blocked: The fuel flows
back into the fuel tank
through the return pipe.
9
There is no proper flue
draught.
10 The combustion thermo-
stat is defective.
11
The combustion air fan
does not work.
12 There is insufficient sup-
ply of combustion air.
13 The flue draught is too
high or irregular.
14 There is leakage
between the bottom of
the control panel and
the vaporiser.
40.020.953 - rev. 05 - 2015
Solution
Clean the fuel tank and the
fuel filter, see fig. 3.
Clean the fuel supply pipe or
replace if necessary.
Check whether the flue is fit-
ted according to the instruc-
tions, see "flue".
Check the flue for leakage.
Clean the flue if necessary.
See faults: 3 and 4.
Replace the combustion
thermostat.
Check the motor and replace
if necessary.
Clean the holes in the vapor-
iser.
Check the operation of the
combustion air fan.
Position a flue stack valve,
see "flue".
Adjust the flue to the correct
pressure, see § 5.3.
See faults: 9, 12 and 13..
Adjust the pressure on the
seal cord.
Replace the seal cord.
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Bio Energy series