Forch AC 71 Manual Del Usuario página 101

INFORMATION ON TROUBLESHOOTING
ERROR DESCRIPTION
GREEN LED does not light
up,the fan is not working.
GREEN LED lit up
YELLOW LED lit up
Display:
GREEN LED lit up
Air pressure display RED LED
"Increase" or "Decrease"
lit up
GREEN LED flashing
Display:
GREEN LED flashing
Display:
GREEN LED flashing
Display:
GREEN LED flashing
Display:
GREEN LED lit up
Air pressure display GREEN
LED "OK" lit up
Display:
GREEN LED lit up
Air pressure display RED LED
"Increase" lit up
Display:
GREEN LED lit up Air com-
pressor display GREEN LED
"OK" lit up No air flow with
actuated torch button
GREEN LED lit up
Air pressure display GREEN
LED "OK" lit up
Pilot arc will not ignite
Pilot arc present, machine
not cutting
POSSIBLE CAUSE
Mains voltage missing or the device
is not connected to the mains
Overheating protection triggered
The cooling air intake andoutlet is
impeded
Increase or decrease air pressure.
Compressed air value under 3.5 bar
Input voltage too low
Input voltage too high
Current phase missing
Control board input voltage error
Control board error
Auxiliary transformer error
Wear parts defective or not properly
installed
Torch or safety switch on torch head
defective
Main control board defective
No compressed air available
Torch button defective
Main control board defective
Wear parts defective
Main control board defective
Earth not connected
Main control board defective
TROUBLESHOOTING
Make sure that the mains connection is designed for the
specified current consumption. Connect device to the
mains.
The duty cycle of the device has been exceeded. Allow the
device to cool down.
Make sure that the cooling air can movefreely at the inlet
and outlet.
Increase or decrease air pressure.
Check compressor and / or supply line.
Check voltage supply. As soon as the voltage is within
the permitted parameters, the GREEN LED will light up
and the machine is ready to use again. Otherwise please
contact Service.
Check voltage supply. As soon as the voltage is within
the permitted parameters, the GREEN LED will light up
and the machine is ready to use again. Otherwise please
contact Service.
Check the wear parts for wear and correct installation as
well as the safety switch on the torch head. After a new
start, the machine is ready to use again. Otherwise please
contact Service.
Check compressor and / or supply line. Make sure that the
supply line is not bent or knotted
Check the torch button, repair or replace itif necessary.
Otherwise please contact Service.
Check the wear parts for wearand replace them if
necessary. Otherwise please contact Service.
Make sure that the earth cable is connected properly.
Check cable, clamp, and plugs for damage, replace if
necessary. Otherwise please contact Service.