Blastrac 655DC, Руководство по эксплуатации

Страница: 90 / 112

Operating Instructions 655DC
Fault diagnosis
4
9.2 Fault diagnosis electrical-system
Prior to any repair works on the equipment or its drives the
equipment must be secured against unintentional switching-
on. Put the machine to its Safety off position
..
Fault Possible cause Remedy
Fan/
compressor
does not
switch on. Motor protections switch
triggered. Check the mains power
supply and next switch
on again.
Check voltage and
existence of 3 fases.
Control lamp
for motor
protection
switch flashes. Motor protections switch
triggered.
Overload current
because of defective
equipment (Motor, etc). Switch on again the
motor protections.
Have the unit checked by
an electrician.
Control
switches off
while working. Dust collector safety fuse
or residual current
operated device has
triggered.
Connection cable is
defective.
Main switch of the dust
collector switches off due
to overload. Have the unit checked by
an electrician.
Replace the cable.
Main switch "Off", with
fault, have the unit
checked by an
electrician.
Note: If the motor protection switches off the blast wheel motor,
triggered by overload, they can be switched on again after a short
cooling down period.