Scientech Zeta Series - Manual (Page 19)

19
Troubleshooting Guide:
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
• Turn on circuit breaker
• Change AC outlets
OL appears in display
• Maximum capacity exceeded • Reduce container weight
• Weigh sample in smaller increments
• Switch to high range (dual range units)
UL appears in display • Pan is not in place
• Balance is out of range
• Insure pan is positioned properly
• Press ZERO switch
The display is unstable • Drafts (air currents are present)
• Vibrations are present
• Install windscreen, relocate balance
• 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 incorrect
• 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 installed
• Power supply connected to wall outlet
before balance connector
• Place pan on balance
• Isolate or relocate balance
• Raise pan height
• Unplug power supply from wall then
re-plug into wall
Partially lit display, “weird”
characters displayed or “garbage”
on the display • “Live” cord plugged into balance • Unplug power supply from the
electrical outlet, wait 5 seconds, then
plug back in
Err appears in the display • Procedural error • Review procedure in manual and try
again
Err 1 appears in display • Calibration weight is incorrect • Use calibration weight that appears in
balance display
Err 2 appears in display • Balance not warmed up enough for
calibration to be performed
• Plug in and turn on balance for 1 hour
Err 3 through 14 appears in
display • Service is required • Call Scientech's Service Department at
(800) 525-0522 or (303)444-1361 or
email us at [email protected].