Specifications

55
Troubleshooting
Code Meaning/effect Cause/remedy
AL 005
Shake-out defective
Shake-out defective or sticking.
Clean the burner pot. Press Reset.
Shake-out motor no longer moves or no longer reaches the end position, boi-
ler switches to burnout mode.
a) Burner contamination; close combustion chamber doors, press reset but-
ton; once the alarm message is rectified, clean the burner pot as descri-
bed in section 3.6.
If the alarm message remains active, clean the burner pot as described in
section 3.6. Note: Grate plate at top can only be raised and removed when
closed. If the grate plate is not fully closed, vacuum it out. Close combus-
tion chamber door, press reset button, if the alarm message remains in
place, repeat the process or inform Windhager Customer Service or a hea-
ting technician.
b) Grate plate not inserted correctly or check correct installation position (see
section 3.6).
c) Motor for shake-out defective, inform Windhager Customer Service or a
heating technician.
d) Limit switch defective, inform Windhager Customer Service or a heating
technician.
AL 006
Auger conveyor motor defective
Auger conveyor motor defective.
Press Reset.
Boiler enters burnout mode, vacuum fan is stopped immediately.
a) 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.
b) Control thermostat defective, inform Windhager Customer Service or a
heating technician.
c) Press the Reset button. If the malfunction recurs immediately after a short
period, or recurs at regular intervals, contact Windhager Customer Servi-
ce or your heating technician.
d) Renew the auger conveyor motor, inform Windhager Customer Service or
a heating technician.
AL 016
Vacuum 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 them (see section 3.9).
Press the Reset button. If the malfunction recurs immediately after a short
period, or recurs at regular intervals, contact Windhager Customer Servi-
ce or your heating technician.
b) Renew the vacuum fan motor, inform Windhager Customer Service or a
heating technician.
AL 062
Air intake/exhaust flap defective
Air intake/exhaust flap defective or not
opening. Check flap. Press Reset.
External air choke (optional) does not open.
a) Check the air choke, press the Reset button.
b) Inform Windhager Customer Service or a heating technician.
AL 071
Safety / emergency switch open
Check switch position of safety / emer-
gency switches.
Boiler enters burnout mode but the blower does not run.
Switch on emergency heating/OFF switch.
4.4 Alarm messages
The glow ignition is located in the primary air tube so avoid sha-
king the burner pot violently – risk of breakage!