Specifications

57
Troubleshooting
Code Meaning/effect Cause/remedy
AL 171
Maximum heating up time excee-
ded
Clean the burner pot. Press Reset.
a) VarioWIN D without feed or with direct pellet feed:
The reserve supply container is empty. Fill fuel into the reserve supply or
year-round pellet container (see section 2.5). 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, press the Reset
button.
c) Too much dust in the reserve supply container – bridge formation, remo-
ve the dust (see section 3.6), press 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) VarioWIN with pneumatic feed (suction system):
Pellets stuck in the hose before the entry to the reserve supply container
– move the hoses at the connection pieces, press the Reset button.
f) Ignition defective, inform Windhager Customer Service or a heating tech-
nician.
AL 187
No communication with
main PCB
Check connection for main PCB and
connections. Press Reset.
The boiler switches to burnout mode.
a) Check the connection cable or InfoWIN plug connection to the main PCB,
inform Windhager Customer Service or a heating technician.
b) Connect the main PCB, inform Windhager Customer Service or a heating
technician.
AL 188
Internal error occurred
ErrorCode 188
Current TablelD 4
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.