Windhager BioWIN XL Operating Manual page 62

4. Troubleshooting
Code Display on InfoWIN
Boiler sensor defective
AL 076
Check the boiler sensor and connections.
Press Reset.
Thermocontrol sensor defective
AL 078
Check the thermocontrol sensor and
connections. Press Reset.
Switch/buffer sensor defective
AL 114
Check the switch/buffer sensor and
connections on the cascade module.
No flame formation in control mode
AL 128
Clean boiler and burner.
Press Reset.
Safety temperature shut-down
AL 133
Check the system and filling pressure.
Press Release button B7 on control panel.
PLUS
Cause/remedy
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 a heating technician.
b) Replace the boiler sensor; inform Windhager Customer Service or a hea-
ting technician.
The boiler switches to burnout mode
a) Thermocontrol sensor is too cold (<32 °F / 0 °C). Allow sensor to 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 a heating technician.
c) Replace the thermocontrol sensor; inform Windhager Customer Service
or a heating technician.
The boiler switches to burnout mode.
a) Check the switch/buffer sensor and connections on the cascade module.
b) Replace switch/buffer sensor; inform Windhager Customer Service or a
heating technician.
The flame extinguishes in modulation mode. The boiler switches to burnout
mode.
a) The boiler and burner must be cleaned (see chapter 3.4 and 3.5). Once
cleaning is complete, press the Reset button on the InfoWIN
firm cleaning on the Operator level (see chapter 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 chapter 3.5).
c) Check that the ash container (see chapter 3.4) and cover are in the
correct positions and are sealed and airtight. Press the Reset button.
d) An excessive amount of dust in the pellets is causing the auger to run empty.
(However, the pellet feed may have started in the meantime.) Empty the
hopper completely (see section 3.10) and remove the dust. The alarm
message AL 171 may appear on up to 2 occasions until the boiler starts
operating again. Acknowledge with the Reset button.
e) Auger conveyor jammed due to a foreign body. Clean the hopper (see sec-
tion 3.10), remove the foreign body through the opening above the auger,
and refill the hopper. The alarm message AL 171 may appear on up to 2
occasions until the boiler starts operating again. Acknowledge with the
Reset button.
f) Inform Windhager Customer Service or a heating technician.
Boiler temperature is above 212 °F / 100 °C. Boiler enters burnout mode,
induced draft fan is switched off immediately.
a) Check the water level or pressure in the heating system – refill, release
the air.
b) Air in the heating system – release 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 194 °F / 90 °C, remove the cover
and press the release button of the safety thermostat B7 firmly – Fig. 143.
If the malfunction occurs after a short period, or recurs at regular intervals,
contact Windhager Customer Service or a heating technician.
62
Disconnect power by switching of the main fuse
WARNING and allow unit to cool for 2 hours prior to ope-
ning combustion door.
Disconnect power by switching of the main fuse
WARNING
and allow unit to cool for 2 hours prior to ope-
ning combustion door.
PLUS
and con-