WARNING! Make sure that only qualified
personnel perform inspection, troubleshooting
and part replacement.
OpERATING ISSUE
Machine not powering on.
Film carriage malfunctioning.
Turntable is malfunctioning.
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CHICAGO • ATLANTA • DALLAS • LOS ANGELES • MINNEAPOLIS • NYC/PHILA • SEATTLE • MEXICO • CANADA
PAGE 11 OF 33
TROUBLESHOOTING
CAUSES
Main power is turned off.
Machine not plugged into 120VAC outlet.
Power supply faulty.
Internal battery not charged.
Film carriage foot engaged.
FILM CARRIAGE SPEED dial not set high
enough.
Resistance of potentiometer not equal to
5K_ across.
The carriage limit switch lever arm is
obstructed.
Microcontroller card inside electrical
enclosure not turned on.
Turntable speed potentiometer dial not
set high enough.
Resistance of potentiometer not equal to
5K_ across.
Microcontroller card inside electrical
enclosure not turned on.
The turntable motor is not running.
1-800-295-5510
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's display and/or LEDs
are not accurate indicators of the absence of
DC bus voltage.
RECOMMENDATIONS
Check that power is going to the scale. Verify that switch is
turned on.
Verify the voltage going to the scale matches the power
supply labels on the power module or scale.
Remove obstruction from Film Carriage foot.
Adjust potentiometer towards 100% to set speed.
Tighten wiring, replace dial if necessary.
Remove obstruction and/or clean limit switch head.
Check and switch on the main circuit breaker.
Adjust potentiometer towards 100% to set speed.
Tighten wiring, replace dial if necessary.
Check and switch on main circuit breaker.
Tighten or replace motor wiring as necessary.
Check turntable for mechanical restrictions.
Replace microcontroller or turntable output relav.
uline.com
0913 IH-1619