65
4.
Troubleshooting
Code
Display on InfoWINplus
Cause/remedy
AL 062
Air intake flap defective
Air intake 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 / emergency
switches.
Boiler enters burnout mode, however the blower does not run.
Switch on emergency heating/OFF switch.
AL 076
Boiler sensor defective
Check the boiler sensor and connections.
Press reset.
The boiler switches to burnout mode.
a) Press the Reset button. If the malfunction recurs immediately after a
short period, or recurs at regular intervals, contact Windhager Customer
Service or your heating technician.
b) Renew the boiler sensor, inform Windhager Customer Service or a hea-
ting technician.
AL 078
Thermocontrol sensor defective
Check the thermocontrol sensor and
connections. 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 Customer
Service or your heating technician.
c) Renew the thermocontrol sensor, inform Windhager Customer Service or
a heating technician.
AL 129
Maximum burnout time exceeded
Perform stage 2 cleaning according to opera-
tion manual.
Press reset.
The maximum burnout time has elapsed.
a) The main cleaning of the pellet boiler has to be completed (see section
3.4-3.9). Once the main cleaning process has been completed it must be
confirmed (see section 3.1.1).
b) Check the ash box (see section 3.5) and cover are in the correct position
and are sealed – danger of inleaked air.
c) Inform Windhager Customer Service or a heating technician.
AL 130
Combustion chamber temperature
too low
Perform stage 2 cleaning according to opera-
tion manual.
Press reset.
The flame goes out in modulation mode. The boiler switches to burnout
mode.
a) The main cleaning of the pellet boiler has to be completed (see section
3.4-3.9).
Once the main cleaning process has been completed it must be confir-
med (see section 3.1.1).
b) Check the ash box (see section 3.5) and cover are in the correct position
and are sealed – danger of inleaked air.
d) An excessive amount of dust in the pellets is emptying the auger. (Howe-
ver, in the intervening period, pellet feed may have been started.) Empty
the reserve supply container completely (see section 3.10) and remove
the dust. The alarm message AL 171 may light on up to 2 occasions until
the boiler starts operating again, press the Reset button. Acknowledge
with the Reset button.
e) Auger conveyor jammed due to a foreign body, clean the reserve sup-
ply container (see section 3.10) and remove the foreign body through the
opening above the auger, refill the reserve supply container. The alarm
message AL 171 may light on up to 2 occasions until the boiler starts
operating again, press the Reset button. Acknowledge with the Reset
button.
f) Inform Windhager Customer Service or a heating technician.
AL 133
Safety temperature shut-down
Check the system and filling pressure.
Press release button B7.1 on control panel.
Boiler temperature is above 100 °C, boiler enters burnout mode, Induced
draught fan is switched off immediately.
a) Check the water level or pressure in the heating system – re-fill, bleed
the air.
b) Air in the heating system – bleed air.
c) The heat pump or boiler feed pump is sticking or is defective – start pump
manually or have it repaired.
Once the boiler water temperature falls below 90 °C, remove the cover, press
the Release button of the safety thermostat B7.1 firmly – Fig. 182.
If the malfunction occurs after a short period, or recurs at regular intervals,
contact Windhager Customer Service or your heating technician.
