A&D Profibus Interface AD-4402 OP-22 Instruction Manual - page 19
of
24
AD-4402 OP-22
Page 17
Type
No.
Cause and Treatment
0
Weighing value is out of zero band.
Display can not be zeroed by zero compensation.
1
Weighing value is out of tare condition.
Display can not be zeroed by tare operation.
Zero error
ZR.ERR
2
Weighing value is not stable.
Automatic zeroing or automatic tare can not performed at power on.
1
Weighing value is out of range.
Alarm 1
ALARM 1
9
Emergency stop is executed.
Emergency stop is executed by external input.
1
A/D converter is positive over count.
Check the load cell cable.
2
A/D converter is negative over count.
Check the load cell cable.
Alarm 2
ALARM 2
4
RAM error.
Check the backup battery.