Operation and Maintenance Manual Rev M(ii) 4/03
- 40 -
Operation
Other Symptoms
Possible Cause
Corrective Action
Axis runs away.
Motor power connections
are wired incorrectly.
•
Check the phasing using the
electrical drawings.
Z axis encoder
does not work.
Z axis encoder/brake cable
is loose or not connected.
•
Check the cable
connections. Correct any
loose connections.
The axis amplifier is bad.
•
Replace the amplifier.
Pneumatic actuator
failure.
Pneumatics work
slowly.
Air lockout valve on the rear
of the machine is in the OFF
position.
•
Turn the lockout valve to
the ON position.
Insufficient air pressure.
•
Check and adjust the system
pressures to the correct
values. Please refer to the
Machine Specific
Information section of the
Operating Guide for
particular pressure settings.
Restricted air line.
•
Correct any tight bends or
restrictions in the air lines.
Loose Fitting or Tubing
Connection.
•
Tighten connection.
Frayed or damaged air line.
•
Replace the damaged air
line(s).
Sensor is not positioned
correctly.
•
Adjust the sensor location.
Part in place sensor
failure.
Cable is loose or not
connected.
•
Check the cable
connections. Correct any
loose connections.
Conveyor does not
run.
Conveyor belt stuck to rails.
•
Clean or replace belt.
No power to
conveyor motor.
Control relay not energized
or Power On light not
illuminated (Certain
Models).
•
Check voltages and
connections.
•
Check conveyor power fuse.
Exhaust fan does
not run.
No air flow.
The motor overload relay,
OL-1, is in the tripped state.
•
Reset the exhaust fan
overload relay.
•
Check FU-5 in the electrical
enclosure.
Insufficient air flow capacity
in the factory ducting.
•
Upgrade the duct to allow
for more air flow.
Summary of Contents for PVA2000
Page 9: ...Notes ...