No flame during lighting.
AL 5
The shutdown procedure is
NO IGN
activated.
The flame goes out during
operation.
AL 6
NO PELLETS
Occurs in case of pellet level
sensor intervention (if present)
Occurs in case of auger duct
AL 7
temperature safety thermostat
THERMOSTAT
intervention.
In the work phase, the device
detects a pressure lower than
AL 8
the vacuum switch calibration
PRESSURE
SWITCH
threshold.
The system is stopped.
Occurs when the unit has
exceeded 1800 hours of
SERVICE
operation or 2000 Kg pellets
since the previous service.
168
The pellet hopper is empty.
The heating element is faulty,
dirty or incorrectly positioned.
Incorrect pellet load setting.
The pellet hopper is empty.
The pellet feed gearmotor is
faulty or not powered.
The gearmotor does not load
pellets.
The safety thermostat has
detected a temperature higher
than the calibration threshold
due to overheating of the lower
part of the hopper, blocking the
operation of the gearmotor.
The combustion chamber is
dirty.
Fume duct obstructed.
The fire door is not closed.
The overpressure valves are
open/jammed.
Faulty vacuum switch.
Extraordinary maintenance
alert.
A73023890 - Rev 03 - 02/2024
LIRA SLIM PLUS
Check the presence of pellets in
the hopper.
Check the lighting procedures.
Other reinstatement operations
must be carried out by a Service
Center.
Check the presence of pellets in
the hopper.
Check the feed of pellets.
Other reinstatement operations
must be carried out by a Service
Center.
Check the cause of excessive
overheating.
Unblock the safety thermostat
with the reset button.
Check that the fume duct and
combustion chamber are clean.
Check the hermetic closure of
the door.
Check closing of the
overpressure safety valve.
Other reinstatement operations
must be carried out by a Service
Center.
Extraordinary cleaning-
maintenance and reinstatement
operations must be carried out
by an authorized service center.
EN