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10-14 SV60951 Rev. A
10 Troubleshooting
Weigh-On-the-Way (W-O-W) Errors
Warning Possible Cause Solution
Select a new class. Press
Start to continue
Select a new class. Press
Start to continue.
Piece of mail is too light for
selected class. No postage
was printed on this piece.
Mail is too heavy for selected
class. No postage was printed
this piece.
Piece Of
Mail Is Too
Heavy
Piece Of
Mail Is Too
Light
Negative
Weight
W-O-W scale not at
zero weight.
Calibration
Error
Invalid weight for selected
class.
W-O-W scale not at
zero weight.
Select another class.
Call for Service at
1.800.522.0020
Scale cannot define weight.
Scale could not
define zero weight.
Be sure scale is steady-no
vibration or air movement
across platform.
Press Menu key and select
Zero Scale.
Press Menu key and select
Zero Scale.
If not resolved, call service at
1.800.522.0020.
Re-Zero
Failed
Unstable
Weight
Invalid Weight
W-O-W Won’t
display Zero
Press the Menu key and
select Zero W-O-W.
• Vibration interference
occurred.
• Something is touching
weighing area.
• Air movement over mail
deck.
Scale Won’t
Display Zero
• Vibration interference
occurred.
• Something is touching
weighing area.
• Air movement over platform.
Press the Menu key and
select Zero Scale.