YCO-1126-01-08
PPC-300 & PPC-300D Technical Manual
V Troubleshooting
19
Display
Condition
Action
Overload - there is too
much weight on the
scale platform.
Remove weight from the scale
platform until the load is within the
scale capacity.
Negative gross weight
reading greater than
five divisions.
Replace the stainless steel pan on
the scale platform, if removed.
Remove all items from the scale
platform and press the
key.
Power the scale off and back on.
Calibrate the scale.
Sensor error.
Turn the scale off, wait one minute,
and then turn the scale back on.
Circuit error.
Turn the scale off, wait one minute,
and then turn the scale back on.
Controller error.
Turn the scale off, wait one minute,
and then turn the scale back on.
Displayed weight is in-
consistent or unstable.
Zero is unstable.
Remove all items from the scale
platform and press the
key.
Make sure the scale is on a stable
and level surface.
Adjust the feet to prevent wobble.
Check for sources of wind, vi-
bration or strong EMF (heating,
airconditioning, motors, compres-
sors, etc.)
Additional troubleshooting steps require the services of a qualified scale technician. Do not attempt to
service the scale yourself.
