Trouble-Shooting Tables - Itm INDIRECT Serie Manual De Instrucciones

10.

TROUBLE-SHOOTING TABLES

PROBLEM
The generator does not start
(red phase LED OFF)
The fan does not start
(red phase LED ON)
The fan starts but there is no
combustion (the RESET
push-button LED comes ON
after a few seconds)
The unit overheats during
normal operation
When the unit is switched off using
the main switch or the environment
thermostat, the fan does not operate
and the generator overheats
The unit discharges lightcoloured fumes - Excess air or poor fuel - Impurities in the fuel circuit: clean the tank,
The unit discharges dark fumes
The unit discharges dark fumes
This would exclude post-cooling. Never change the fuel oil pump pressure setting. This would
modify all combustion features. When replacing the nozzle, use a spare with an identical
capacity to
CAUSE & REMEDY
Check:
- correct electrical connections - if the environmental thermostat is
fitted, make sure that it is not set too low.
Check:
- motor power supply cable - safety fuse F1 - fuel oil pump: if ripped
replace
- Check the fuel level
- Make sure that the fuel oil filter is not clogged
- Make sure that the nozzle is not obstructed
- Make sure that no air enters the fuel circuit: make sure that the filter
cup is properly tightened and the seal ring is correctly positioned in its
seat
- Dirty photo sensitive cell: remove from support and clean
- Check the integrity of the plastic joint connecting the motor and the
fuel pump: if broken, replace
- Flame control system faulty: replace
- Make sure there is a spark between the electrodes. If this is not the
case, check the position of the electrodes, their integrity and the
status of the high voltage cables. Make sure that he transformer is
not burnt out.
- Excess flow of fuel caused by nozzle wear or installation of a nozzle
having different features than the original - Poor flow of air caused by
faulty setting of combustion head fins - Obstructions in the ventilation
air route.
- Cooling thermostat faulty. Replace
the filer and the ducts. Change the fuel - Air adjustment modified:
return the fins to their original positions.
- Air defect or excess fuel, caused by:
- clogged or nonconforming nozzle: replace.
- modified fuel pressure
- flame turbo obstructed: clean
- air adjustment modified: return the fins to their original positions.
Never halt the generator simply by removing the power plug.
the nozzle
GB
fitted by
7
the manufacturer.