65
4. Troubleshooting
Code Display on InfoWINplus Cause/remedy
AL 135 Excess temperature in the auger tube
Boiler enters burnout mode and transports pellets into combustion chamber.
a) Check the burner, remove all pellets from the burner pot.
b) Remove the cover from the safety thermostat auger tube B7a, press the
Release button firmly (see Fig. 167). If the ignition does not function first
time (AL 171), press the Reset button (pellets in the auger conveyor will
have been damaged due to the higher temperature).
AL 156
No neggativ pressure in combustion
chamber or sensor defective.
Press Reset.
The boiler switches to burnout mode.
a) Heating surface cover leaking, check whether this is firmly closed (see
section 3.8), press the Reset button.
b) Combustion chamber and ash door are leaking – check the seal, replace
the seal if necessary, press the reset button.
c) Pressure measuring nipple of combustion chamber pressure switch is
blocked – clear it (see section 3.9.1), press the reset button.
d) Intake air line or induction opening at rear is blocked – clear it and press
the reset button.
e) Exhaust pipe or flue is blocked, clear it and press the reset button.
f) Combustion chamber pressure switch is defective, inform Windhager
Customer Service or a heating technician.
AL 171
Maximum heating time exceeded
Clean burner pot. Press reset.
No flame formation when heating up. Heating-up procedure is cancelled.
a) FireWIN Klassik without feed: The reserve supply container is empty. Fill
fuel into the fuel container (see section 2.3). Press the Reset button until
the boiler starts operating again. The alarm message AL 171 may light up
again on up to 2 occasions, press the Reset button.
b) Clean the burner pot (see section 3.6), empty the ash pan or ash contai-
ner (see section 3.5). Confirm cleaning (see section 2.8.1.1). Press the
Reset button.
c) An excessive amount of dust in the pellets is emptying the auger. (Howe-
ver, in the intervening period, pellet feed may have been started) è Emp-
ty the reserve supply container completely (see section 3.11) and remove
the dust. The alarm message AL 171 may light on up to 2 occasions until
the boiler starts operating again. Acknowledge with the Reset button.
d) Auger conveyor or rotary feeder jammed due to a foreign body. Clean the
reserve supply container, opening above auger conveyor or rotary feeder
(see section 3.9) and remove the foreign body. Press the Reset button.
The alarm message AL 171 may light on up to 2 occasions until the boiler
starts operating again, press the Reset button.
e) FireWIN Premium/Exklusiv with feed: Pellets stuck in the hose before
the entry to the reserve supply container – move the hoses at the con-
nection pieces, press the Reset button.
f) Ignition defective, inform Windhager Customer Service or a heating tech-
nician.
AL 187
No communication with firing
automate
Check linkage of firing automate and connec-
tions. Press reset.
The boiler switches to burnout mode.
a) Check the connection cable or InfoWIN plug connection to the firing au-
tomate, inform Windhager Customer Service or a heating technician.
b) Connect the firing automate, inform Windhager Customer Service or a
heating technician.
AL 188
Internal error occurred
ErrorCode 188 xxx
Current TablelD 4 xxx
Internal communication error. The boiler switches to burnout mode.
A reset is performed automatically after 1 minute if this error occurs.
If the malfunction occurs after a short period, or recurs at regular intervals,
contact Windhager Customer Service or your heating technician.
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