Cola AMBRA Manuel D'installation, D'utilisation Et D'entretien page 46

7 TROUBLESHOOTING
7.1 Alarm management
Alarms are indicated by an acoustic signal (if activated) and a message on the control panel.
In case of an alarm the shutdown procedure is automatically activated. Cancel the signalling by pressing button P4
and wait until the stove reaches OFF status. Eliminate the cause and restart the stove according to the normal
procedure described in this manual.
Listed below are the alarms that can appear on the control panel, with the causes and cures:
Signalling
Occurs in case of a power
AL 1
failure during the operation
POWER
phase
FAILURE
AL 2
Occurs in case of a fume
FUME
temperature detection probe
fault
PROBE
AL 3
Occurs if the probe detects a
HOT FUMES high fume temperature
AL 4
Occurs when the fume
FAN FAIL exhaust fan is faulty
AL 5
Pellets do not ignite in the
NO IGNITION lighting phase
AL 6
The flame goes out during the
NO PELLETS operation phases
AL 7
Occurs in case of intervention
THERMAL
of the auger duct temperature
safety thermostat.
SAF
In the work phase the stove
AL 8
detects a pressure lower than
NO NEG
the vacuum switch threshold
PRESS
setting
ALARMS - MESSAGES
Fault
Electrical system power failure
in the stove installation room
- Probe fault
- The probe is disconnected
from the board
- Overheating due to use of
the stove for too long
- The tangential fan is faulty or
not powered
- Excessive pellet load
- The fume fan is blocked
- The speed control sensor is
faulty
- No power to the fume fan
- The pellet hopper is empty.
- The heater is faulty, dirty or
incorrectly positioned.
- Incorrect pellet load setting.
- The pellet hopper is empty
- The pellet feed gearmotor is
faulty or not powered
- Overheating due to use of
the stove for too long
- Brazier clogged with
excessive accumulated ash
- The combustion chamber is
dirty
- The fume duct is blocked
- The fire door is not closed
- The overpressure valves are
open-jammed
- The vacuum switch is faulty
Possible causes
46
Cures
- Turn the stove OFF by
pressing button P4 and repeat
the lighting procedure
- Other reinstatement
operations must be carried
out by a service centre
Reinstatement operations
must be carried out by a
service centre
- Wait for the stove to cool and
repeat the lighting procedure
- Other reinstatement
operations must be carried out
by a service centre
Reinstatement operations
must be carried out by a
service centre
- Check the presence of
pellets in the hopper.
- Repeat the lighting
procedure
- Other reinstatement
operations must be carried
out by a service centre
- Check the presence of
pellets in the hopper
- Repeat the lighting
procedure
- Other reinstatement
operations must be carried
out by a service centre
Reset the safety thermostat by
pressing the reset button and
repeat the lighting procedure
- Check the cleanness of the
fume duct and the combustion
chamber, hermetic closure of
the door and the overpressure
valve. Then repeat the lighting
procedure
- Other reinstatement
operations must be carried out
by a service centre
AMBRA