Chapter 2 Analog Input Module AH04AD/AH08AD
2-33
Error
Code
Type Description
RUN LED
indicator
ERROR
LED
indicator
16#A805 Warning
The signal received by channel 5 exceeds the range
of inputs which can be received by the hardware.
ON OFF
16#A806 Warning
The signal received by channel 6 exceeds the range
of inputs which can be received by the hardware.
ON OFF
16#A807 Warning
The signal received by channel 7 exceeds the range
of inputs which can be received by the hardware.
ON OFF
2.5.2 Troubleshooting Procedure
Description Procedure
Hardware failure Return the module to the factory for repair.
The external voltage is abnormal.
Check whether the external 24 V power supply to
the module is normal.
Internal error
The factory correction is abnormal.
Please contact the factory.
The signal received by channel 0 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 0.
The signal received by channel 1 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 1
The signal received by channel 2 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 2.
The signal received by channel 3 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 3.
The signal received by channel 4 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 4.
The signal received by channel 5 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 5.
The signal received by channel 6 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 6.
The signal received by channel 7 exceeds
the range of inputs which can be received
by the hardware.
Check the signal received by channel 7.
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