Baxi Bioflo User Operating Instructions Manual page 44

Troubleshooting
Code Meaning/effect
Auger conveyor motor defective
AL 006
Auger conveyor motor defective.
Press Reset.
Vacuum fan defective
AL 016
Clean blower wheel and blower box.
Press Reset.
Air intake/exhaust flap defective
AL 062
Air intake/exhaust flap defective or not
opening. Check flap. Press Reset.
Safety / emergency switch open
AL 071
Check switch position of safety / emer-
gency switches.
Boiler sensor defective
AL 076
Check the boiler sensor and connec-
tions. Press Reset.
Thermocontrol sensor defective
AL 078
Check the thermocontrol sensor and
connections. Press Reset.
Cause/remedy
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 Baxi 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 Baxi Customer Service or your
heating technician.
d) Renew the auger conveyor motor, inform Baxi Customer Service or a hea-
ting technician.
The actual speed is different from the nominal speed. The boiler switches to
burnout mode.
a) The blower wheel and blower box are dirty, press the Reset button.
If the malfunction recurs immediately after a short period, or recurs at
regular intervals, contact Baxi Customer Service or your heating technici-
an.
b) Replace the vacuum fan motor, inform Baxi Customer Service or a heating
technician.
External air choke (optional) does not open.
a) Check the air choke, press the Reset button.
b) Inform Baxi Customer Service or a heating technician.
Boiler enters burnout mode but the blower does not run.
Switch on emergency heating/OFF switch.
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 Baxi Customer Service or your
heating technician.
b) Replace the boiler sensor, inform Baxi Customer Service or a heating tech-
nician.
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 Baxi Customer Service or your
heating technician.
c) Replace the thermocontrol sensor, inform Baxi Customer Service or a hea-
ting technician.
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