Troubleshooting Guide - Uline H-1287 Manual De Instrucciones

WARNING! Make sure that only qualified
personnel perform inspection, troubleshooting
and part replacement.
OPERATING ISSUE
Machine not powering on.
Turntable is malfunctioning.
PAGE 7 OF 21

TROUBLESHOOTING GUIDE

CAUSES
The system is not plugged into a 120VAC outlet.
Doesn't have continuity.
The frequency drive circuit breaker is not on.
It is not receiving the charge.
It is not receiving 120VAC.
It is not set high enough.
It is not functioning properly.
The frequency drive is not functioning (i.e. no
faults displayed).
The frequency drive is not connected properly
to the motor.
CAUTION! Disconnect all power including
external control power that may be present
before servicing the frequency drive
controllers. WAIT for three (3) minutes for
the DC bus capacitors to discharge. The
frequency drive controller' display and/or LED's
are not accurate indicators of the absence of
DC bus voltage.
Plug machine into a 120VAC outlet.
Use a voltmeter to test continuity of the power cord.
Replace the power cord to the machine.
Replace the main circuit breaker.
Switch the main circuit breaker on.
Use a voltmeter to read input voltage to the frequency
drive. Tighten or replace wiring to the frequency drive(s).
Use a voltmeter to read input voltage to the frequency
drive.
Tighten or replace wiring to the frequency drive(s).
Replace the frequency drive(s).
Locate the turntable speed potentiometer dial on the AC
frequency drive.
Adjust potentiometer towards 100% to set speed.
Step on the foot switch, and use a voltmeter to test for
continuity of the foot switch.
Tighten wiring, replace the foot switch if necessary.
Remove power to the drive. Wait sixty seconds, and
supply power back.
Refer to frequency drive manufacturer's manual for
specific fault.
Locate the turntable motor, and use a voltmeter to check
continuity of all motor wires.
Tighten or replace wiring as necessary.
Replace the turntable frequency drive.
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