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Problem Possible Cause Possible Solution
The display is blank *Balance not turned on
*Power cable not plugged in
*No power from AC outlet
*Press ON/OFF switch
*Plug in cable, press ON/OFF
switch
*Turn on circuit breaker
*Change AC outlets
OL appears in display *Maximum capacity exceeded
*Shipping clamp is engaged
*Reduce container weight
*Weigh sample in smaller incre-
ments
*Switch to high range (dual range
units)
*Disengage clamp – see page 4
UL appears in display *Pan is not in place
*Balance is out of range
*Shipping clamp is engaged
*Insure pan is positioned properly
*Press ZERO switch
*Disengage clamp – see page 4
The display is unstable *Drafts (air currents are present)
*Vibrations are present
*Install windscreen, relocate bal-
ance
*Isolate balance from vibration,
relocate balance
Weight readings are incorrect *Balance is out of calibration
*Balance is not level
*Display was not zeroed before
weight was placed on pan
*Object being weighed is touching
windscreen or balance case top
*Unit of weight selection is incor-
rect
*Recalibrate balance
*Level balance
*Press ZERO switch before
weighing
*Reposition object
*Select proper weighing mode
Display stays in turn on sequence *Pan not in place
*Drafts or vibrations present
*New windscreen has been in-
stalled
*Shipping clamp is engaged
*Power supply connected to wall
outlet before balance connector
*Place pan on balance
*Isolate or relocate balance
*Raise pan height
*Disengage clamp – see page 4
*Unplug power supply from wall
then replug into wall
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