Troubleshooting - Bottarini GDP21 Maintenance And Operating Manual

10. Troubleshooting

Problem
Insufficient or no air supply
Insufficient pressure
Compressor becomes excessively hot
(automatic shutdown)
Screw compressor will not start
(starter motor not turning)
Screw compressor will not start
(starter motor turning)
Compressor shuts down.
Engine oil pressure LED flashes
Engine starts, but runs at reduced speed
and very high engine vibrations which
lead to the destruction of the coupling.
36
Possible cause(s)
Clogged air filter
Screw compressor engine speed
misadjusted
Clogged oil fine separator filter cartridge
Wrong setting at controller
Spring and plunger inside the intake
control valve are not fully opened
Pressure control valve defective
Outflow valve dirty
Control line defective
Intake control valve defective
Wrong oil
Compressor oil level too low
Fan broken
Oil cooler dirty (outside)
Oil filter clogged
Leak in oil line
Air short circuit
No power on instrument panel
Operating voltage low
Electrical connection loose, corroded,
or broken
Starter defective
Switch defective
No control system test (LEDs flashing)
after activation of S1
No fuel
Fuel pump not delivering
Fuel filter clogged
Fuel line loose, broken, or jammed
Air in system
Lifter magnet not working
Other engine problems
Fuel level too low
Fuel system blocked
Fuel pre-pressure too low
Correction
Clean air filter
Set speed
Replace compressor oil, oil filter and oil
fine separator filter cartridge
Adjust
Clean, replace parts if necessary, readjust
Repair or replace
Clean
Repair or replace
Repair or replace
Replace
Fill up with oil
Replace
Clean
Replace
Repair or replace
Repair
Switch on fuse F1
Charge battery or replace
Replace
Replace
Replace
Check and switch on main fuse F1
Fill up with fuel
Replace fuse F2
Replace fuel filter cartridge and vent fuel
system (see engine operating manual)
Repair line
Vent fuel system (see engine operating
manual)
Replace
See engine operating manual
Refuel
Check function of fuel system
=> el. backing pump,
=> filter with water separator,
=> line filter