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4. Troubleshooting
Code Display on InfoWIN Cause/remedy
FE 372
Starting report
Temperature in combustion chamber too low
during heating up.
Heating up performed with damp and/or poor quality wood. Heating up pro-
cess not performed according to the instructions. Press the Reset button.
FE 373
Starting report
Power consumption too low during heating up.
Ensure enough heat is consumed (open manual mixing valve, set control
system to heating requirement/heating mode). Press the Reset button.
Important: If the control system is not demanding any heat (reducing de-
mand) and the hot water tank or accumulator tank is up to temperature
– Do not heat up!
FE 375
Heating up at excessively high boi-
ler temperature
Press reset.
Ensure enough heat is consumed (open manual mixing valve, set control
system to heating requirement/heating mode). Press the Reset button.
Important: If the control system is not demanding any heat (reducing de-
mand) and the hot water tank or accumulator tank is up to temperature
– Do not heat up!
FE 396 Cladding door open
Close the cladding door.
4.3 AL – messages
Code Display on InfoWIN Cause/remedy
AL 001
Primary airflap defect
Primary airflap blocked or defect.
The primary airflap is no longer reaching its position. Primary airflap mo-
tor or limit switch defect.
Press the Reset button. If the fault reoccurs after a rest, inform Windhager
Customer Service or a heating technician.
Replace the primary airflap motor or limit switch, inform Windhager Cus-
tomer Service or a heating technician.
AL 003
Secondary airflap defect
Secondary airflap blocked or defect.
The secondary airflap is no longer reaching its position. Secondary airflap
motor or limit switch defect.
Press the Reset button. If the fault reoccurs after a rest, inform Windhager
Customer Service or a heating technician.
Replace the secondary airflap motor or limit switch, inform Windhager
Customer Service or a heating technician.
AL 015
230V not reached
Press reset.
There is no 230 V mains voltage for the automatic firing device.
Inform Windhager Customer Service or a heating technician.
AL 016
Induced draught fan defective
Clean blower wheel and blower box.
Press reset.
The actual speed is different from the nominal speed. The boiler switches-
to burnout mode.
a) The blower wheel and blower box are dirty, clean (see section 3.3.2).
Press the Reset button.
b) Blower plug loose or not snapped in, firmly connect plug (on rear wall
of boiler).
c) Replace the induced draught fan motor, inform Windhager Customer
Service or a heating technician.
AL 076
Boiler sensor defective
Check the boiler sensor and connections.
Press reset.
a) Press the Reset button. If this malfunction occurs again, contact Wind-
hager Customer Service or a heating technician.
b) Replace the boiler sensor, inform Windhager Customer Service or a
heating technician.
AL 078
Thermocontrol sensor defective
Check the Thermocontrol sensor and con-
nections. Press reset.
The boiler switches to burnout mode.
a) Thermocontrol sensor is too cold < 0 °C. Sensor warm up.
b) Press the Reset button. If the malfunction recurs immediately after a
short period, or recurs at regular intervals, contact Windhager Custo-
mer Service or your heating technician.
c) Renew the thermocontrol sensor, inform Windhager Customer Service
or a heating technician..
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