Lamborghini Caloreclima ECO 50/2 Manual Para La Instalacion Y El Mantenimento página 32

DIAGNOSIS OF CAUSE OF FAULT LMO44
After lock-out, the red fault signal lamp LR remains steady on.
In that condition, the visual diagnosis of the cause of fault according to the error code table can be activated by pressing
the lock-out reset button PS for more than 3 seconds.
Pressing the reset button again for at least 3 seconds, the interface diagnosis will be activated.
The following sequence activates the diagnosis of the cause of fault:
Error code table
Blink code Possible cause
2 blinks No establishment of fl ame at the end of T2
••
Faulty or soiled fuel valves
Faulty or soiled fl ame detector
Poor adjustment of burner, no fuel
Faulty ignition
3 blinks Free
•••
4 blinks Extraneous light on burner start-up
••••
5 blinks Free
•••••
6 blinks Free
••••••
7 blinks Too many losses of fl ame during operation (limitation of the number of repetitions)
•••••••
Faulty or soiled fuel valves
Faulty or soiled fl ame detector
Poor adjustment of burner
8 blinks Time supervision oil pre-heater
•••••••••
9 blinks Free
•••••••••
10 blinks Wiring error or internal error, output contacts
••••••••••
During the time the cause of fault is diagnosed, the control outputs are deactivated.
- Burner remains shut down
- Fault status signal LR at terminal 10 is activated
The diagnosis of the cause of fault is quit and the burner switched on again by resetting the burner control.
Press lock-out reset button for about 1 second (< 3 seconds).
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