HIOS HM-10 Operation Manual page 14

■ Troubleshooting (before deciding the instrument has failed)
Before deciding the instrument has failed, refer to the table below for troubleshooting. If this does
not solve the problem, please contact your dealer or HIOS.
Symptom
"LOBAT" in the display
Nothing appears on the display
Cannot set it to zero
The value cannot be held.
The instrument cannot be charged
The LED of the charger doesn't
turn on.
After charging the battery it still
displays insufficient charging.
An irrelevant value is displayed
Possible cause
・ Insufficient charging of the
battery
・ The instrument has not been
used for a long time, or the battery
has died.
・ Reset does not work if the display
value without a load exceeds 10
digits.
・ The Mode switch is set to TRACK. ・ Set it to PEAK.
・ Zero adjustment has not been
done.
・ The connection cable is wrongly
connected or it is broken.
・ The plug of the charger is not
inserted correctly.
・ The plug is connected to the
wrong terminal.
・ The cord of the charger is broken.
・ The plug of the charger is
connected to the wrong terminal.
・ The battery died.
・ Still insufficient charging of the
battery
・ Noises cause wrong value
display.
(When power is on or in the PEAK
mode)
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Action to take
・ Charge the battery. Refer to P. 11.
・ If nothing is displayed even
after charging the battery, please
contact us.
・ Turn off the power and charge
the battery for about 10 minutes
and turn on the power. If the
display becomes active, then
charge the battery within eight
hours for ordinary use.
・ If it doesn't solve the problem,
please contact us.
・ Set the Mode switch to TRACK
and see if zero will be displayed.
(Perform this zero adjustment
in the TRACK mode occasionally
while in operation.)
・ Use the zero adjustment knob
for adjustment.
・ Replace the cable.
・ Check if the plug is correctly
inserted.
・ Connect it to the right
connector.
・ If it doesn't solve the problem,
please contact us.
・ Check if the plug is connected to
the right terminal.
・ If it doesn't solve the problem,
please contact us.
・ Repair is required.
・ Charge the battery again not
exceeding eight hours.
・ Press the Reset button to delete
the value.