V
05/10
28
Troubleshooting guide
OptiFlex B manual coating equipment
Fault
Causes
Fault elimination
Control unit displays
remain dark, although
the control unit is
switched on
Control unit is not con-
nected to the mains
Power pack fuse defec-
tive
Power pack defective
Connect the equipment
with the mains cable
Replace the fuse
Replace the power pack
The powder is not flui-
dized
Compressed air not
present
Fluidizing air is set too
low on the control unit
Motor throttle defective
Connect the equipment
to the compressed air
Set the fluidizing air cor-
rectly
Replace the motor throt-
tle
The gun does not
spray powder, al-
though the control unit
is switched on and the
gun trigger is operated
Compressed air not
present
Injector, motor throttle or
nozzle on injector,
powder hose or powder
gun are clogged
Nozzle in the injector is
clogged
Nozzle is not inserted
Fluidizing not running
No conveying air:
Reducing valve defec-
tive
Solenoid valve defective
Control circuit board de-
fective
Connect the equipment
to the compressed air
Clean corresponding
part
Replace
Insert the nozzle
(see above)
Replace the reducing
valve
Replace the solenoid
valve
Send in for repair
