Trouble Shooting - KERN HFM Service Manual

5 Trouble shooting

Error Code
-ol-
Err 5
Err 6
bA lo
No display:
• Mains power is turned off or power supply not plugged proper.
• Power supply faulty.
• Internal Battery is not charged.
• Check On/OFF switch is turned on and faulty or not.
• Check the PCB power connecters and cable.
Display is Blank after the self test / Err stuck:
• Unstable weight.
• Release the hook and check the hook is lying correctly.
• Try again to turning on.
• Check the load cell is not touching any where.
• Load cell is damaged. Check the load cell connections and all.
OL or( -------) appear the display:
• Maximum capacity exceeded.
• Power supply faulty. Check all power cables and connecters.
• Calibrate again with correct calibration weights.
• Load cell damaged. Check load cell connections.
10
Fault
Overload
Key board error
A/D converter out of range
Battery low
Remedy
Remove weight from the Scale.
Check with mass Weight and do
the calibration.
Key board short circuit. Check
the cable, the connector and the
keys.
If overloaded, remove the
weight, make sure that the hook
is proper and check the load cell
and PCB.
Charge the battery
HFM-SH-e-1110