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10
Faults - Possible causes - Solutions
In the event the burner stops, in order to prevent
any damage to the installation, do not unblock the
burner more than twice in a row. If the burner
locks out for a third time, contact the customer
ATTENTION
service.
SIGNAL
No blink
The burner does not start
2 x blinks
After pre-purging and the
safety time, the burner
goes to lockout at the end
of the safety time
4 x blinks
The burner turns on and
then goes into lockout
Faults - Possible causes - Solutions
FAULTS
PROBABLE CAUSE
No electrical supply
Limiter or safety control device Adjust or replace
Control box lockout
The pump is jammed
Incorrect electrical wiring
Defective control box
Defective electrical motor
Capacitor of the motor defec-
No fuel in the tank; air sucked
Head and air damper adjusted Adjust
Light oil solenoid valves do not Check the connections; replace the coil
1st nozzle clogged, dirty or
The ignition electrodes are
Electrode grounded due to bro- Replace
Faulty or grounded high voltage Replace
High voltage cable deformed by Replace and protect
Ignition transformer defective
Incorrect valve or transformer
Defective control box
Pump not primed
Motor/pump coupling broken
Pump suction line pipe con-
The valves upstream from the
Dirty filters: piping - pump - noz- Clean
Defective control box or flame
sensor
Dirty flame sensor
Operation of the 1st stage cylin- Replace the cylinder
Motor lockout
Faulty motor remote control
The electrical supply two-stage Release the thermal relay
Wrong motor rotation direction
Flame sensor short-circuit
Light is getting in or else the
In the event there are further lockouts or faults
with the burner, the maintenance interventions
must only be carried out by qualified, authorised
personnel, in accordance with the contents of this
DANGER
manual and in compliance with the standards and
regulations of current laws.
Close all the switches - Check the fuses
Reset the control box (not before 10 sec.after the
Replace
Check the connections
Replace
Replace
Replace
Fuel level too high or water on the bottom of the
Replace
Adjust or clean
Replace
Check
Replace
Prime the pump and see "The pump does not
Replace
Correct the connection
Open them
Replace the sensor or control box
Clean
Release the thermal relay
Replace
Change the electrical wiring of the motor
Replace the sensor
Eliminate the light or replace the control box
29
GB
RECOMMENDED SOLUTION
20184179
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