8. ERROR CODES
Error Display
Err 4
Err 5
Err 6
Err 9
Unstable reading
- 22 -
AHC/QHC series technical manual
Description
Zero setting error
Key board error
A/D out of range
Possible Causes
Out of the auto zero setting range.
(4% of capacity) check the platform
empty and re try again. Do the
calibration
Improper operation. Check the key
board cable, connector and any
damage.
If overloaded, remove the weight
make sure platform is installed
proper. Check load cell and PCB
Wait for reading stable. Check the
load is touching some where.
Check any air variation, vibration
and RF noise. Check load cell and
voltages
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