T Scale M503 - Cleaning

M503 Series chair Scales Service Manual (3.09)
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Display is
unstable
Goods touching
somewhere. Air
variation or any
vibrations.
Temperature
changed . Load cell or
connections faulty.
Power supply faulty
Check the scale is in acceptable
location.
Check the connecters and load cell.
Check the power supply and battery
Weight value
incorrect
Calibration error.
Platform of load cell
touching somewhere.
Wrong weighing unit
Use accurate weight for to do the
calibration
Check the pan and load cell is
installed proper and touching.
Check the parameter settings.
Check the load cell and connecters
Can not use full
capacity
Over load protection
stoppers or transport
locks are not removed.
Parameters are set
incorrectly.
AD problem.
Load cell or
mechanism damaged
Check the stoppers and locks under
the platform.
Check the weighing unit and
parameter settings.
Check the load cell.
Platform Corner
Weight different
Over load protection
stoppers or transport
locks are not removed.
Load cell or
mechanism damaged
Check the stoppers and locks under
the platform.
Use accurate weight for to do the
calibration
Check the load cell.
Battery not
charging
Mains voltage problem
Charging circuit
problem
Battery Problem
Check the mains and adaptor.
Check the battery.
Check the charging circuit
10.7 Cleaning
The scale should be cleaned every week, to ensure the surface is clean, and the
disinfection is necessary, the medical thimerosal should be used. When the scale
is polluted by the organic compound, should select alkaline cleaning agent, when
the scale is polluted by the inorganic compound, should select acid cleaning
agent.