AZI Customer Service 800-528-7411 Manual, ZSP-150-F Page 14 of 22
Troubleshooting Guide
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
The display is blank
Balance not turned on
Press ON/OFF button
Power cable not plugged in
Plug in power cable
No power from AC outlet
Turn on circuit breaker or change AC
outlets
OL appears on display
Maximum capacity exceeded
Reduce container weight
Weigh sample in smaller increments
UL appears on display
Pan is not in place
Ensure pan is positioned properly
Balance is out of range
Press ZERO button
Display is unstable
Drafts/air currents present
Install windscreen or relocate balance
Vibrations present
Isolate or relocate balance
Weight readings are
incorrect
Balance is out of calibration
Re-calibrate balance
Balance is not level
Level balance
Balance was not re-zeroed
Press ZERO before weighing
Unit of weight set incorrectly
Select desired weighing unit (p. 9)
Sample touching windscreen
Reposition sample
Display stays in turn-on
sequence
Sub-pan and/or weighing pan
not in place
Place pan(s) on balance
Excessive draft or vibration
Isolate or relocate balance
Power supply connected to wall
outlet before balance
Unplug from wall outlet, wait 5
seconds, re-plug into wall outlet.
Partially lit display,
“weird”/”garbage”
characters on the display
“Live” cord plugged into balance Unplug from wall outlet, wait 5
seconds, re-plug into wall outlet.
