Trouble Shooting - WEIGHSOUTH WSI-602 Instruction Manual

10.4 Trouble Shooting

Problem
Display is blank.
No self test
Blank display after
self test
OL or -------
------- or NULL
displayed
Display is unstable
Weight value
incorrect
Possible cause
Main power is turned off.
Power supply faulty or not
plugged. Internal battery is
not charged. On/Off switch
problem
Platform not installed.
Unstable weight, load cell
damaged
Maximum capacity exceed-
ed. Load cell or mechanics
damaged. Power supply
faulty
Weight on the platform is
below permissible limit.
Platform not installed cor-
rectly. Power supply faulty.
Load cell or mechanism
faulty
Debris is touching some-
where. Air variation or any
vibrations. Temperature
changed . Load cell or con-
nections faulty. Power sup-
ply faulty
Calibration error. Platform
or load touching some-
where. Wrong weight unit.
Common Solutions
Check power is getting
inside the scale and on/
off switch is working.
Verify voltages, which is
on the power labels.
Check that the platform
is installed correctly. Try
to turning on again.
Check the platform is
installed correctly. Try
to turn on the scale
again. Do the calibra-
tion again
Check the platform is
installed correctly. Try
to turn on the scale
again. Do the calibra-
tion again.
Check the scale is in
acceptable location.
Check the connectors
and load cell
Use accurate weight for
the calibration. Check
the platform and load
cell is installed properly
and not touching. Check
the parameter settings.
Check the load cell and
connectors.