V 06/11
OptiFlex 2 C
Troubleshooting
33
Troubleshooting
General information
Note:
Prior to any troubleshooting measures, always check whether the
equipment parameters (P0) as configured in the control unit are
correct (See operating instructions for the OptiFlex 2 CG09 manual
gun control unit, Chapter "Initial Start-up – Setting Equipment
Type")
Fault
Causes
Troubleshooting
Control unit displays
remain dark, although
the control unit is
switched on
Control unit is not
connected to the mains
Connect the equipment
with the mains cable
Power pack fuse
defective
Replace the fuse
Power pack defective
Contact local Gema
representative
The gun does not
spray powder,
although the control
unit is switched on and
the gun trigger is
pressed
Compressed air not
present
Connect the equipment
to the compressed air
Throttle motor or powder
gun are clogged
Clean the corresponding
part
The application cup is
not correctly or not
connected at all to the
control unit
Check the pneumatic
connections and if
necessary, connect
them (see connecting
guide)
Injector nozzle clogged
Dismantle the
application cup
completely and clean it
Dip tube clogged
Blow through the dip
tube with compressed
air and place it in the
powder carefully
Total air incorrectly
configured
Set total air correctly
(Default value 4 Nm³/h)
Main valve defective
Replace main valve
