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4. Troubleshooting
Code Display on InfoWINplus Cause/remedy
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 128
No flame formation in control mode
Clean boiler and burner.
Press reset.
The flame goes out in modulation mode. The boiler switches to burnout mode.
a) Clean boiler and burner or empty both ash pans (Fig. 166) (see sections
3.3 to 3.6). Once cleaning is complete, press the Reset button on the Info-
WIN and confirm cleaning on the operator level (see section 2.8.1.1).
Check the exhaust pipe to the flue and clean it if necessary (see sections
3.9). Press the Reset button.
b) Burner component (e.g. grate disc) not inserted correctly after cleaning
– check installation position (see section 3.6).
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 Em-
pty the reserve supply container completely (see section 3.7) 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 3.7) 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) Inform Windhager Customer Service or a heating technician.
AL 133
Safety temperature shut-down
Check the system and filling pressure.
Press release button B7 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 firmly – Fig. 167.
If the malfunction occurs after a short period, or recurs at regular intervals,
contact Windhager Customer Service or your heating technician.
Fig. 167 FireWIN control panel, rear right side panel removed
Cover of safety thermostat B7
Device fuse T 6.3 A
Cover of safety thermostat auger tube B7a
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