KERN HFC Service Manual page 36

------ or NULL displayed
Display is unstable
Incorrect value
Cannot use full capacity
Battery not charging
36
Weight on the scale below
the permissible limit.
Crane has been removed
Load cell or mechanism
damaged
Sample is moving from the
crane
Due to vibration, air
variation and temperature
variation
Power supply faulty
Load cell damaged
Calibration error
Calibrated with inaccurate
weight.
Goods not placed correctly
to the platform
Wrong unit is displayed
Load cell damaged
Overload stopper is
touching
Transporting lock is not
removed
Parameter settings
incorrectly
Load cell damaged
PCB damaged
Mains voltage is not correct.
adapter damaged
Charging circuit failure
Battery failure
Check the platform is
installed correctly
Try to make zero by
pressing zero key
Check again after turn
on the scale
Check the load cell
connecters
Check the scale is
acceptable location is
good
Check the power supply
Check the load cell and
connecters
Calibrate again.
Check the calibration
weight is correct and
accurate.
Check the crane is
installed correctly
Check the goods is
placed correctly.
Check the load cell and
connecters
Check the transporting
lock and overload
stopper
Check the parameters
settings
Check the platform is
installed correctly
Check the load cell
Check the PCB
Check the mains
voltage
Check the adaptor
Check the power
connecters and circuit
Check the battery
HFC-SH-e-1510