Chapter 3 Analog Input Module AS04/08AD-A
3- 41
3.5 Troubleshooting
3.5.1 Error Codes
Error
Code
Description
A
D LED
Indicator
ERROR LED
Indicator
16#1605
Hardware failure OFF ON
16#1607
The external voltage is abnormal. OFF ON
16#1608
The factory calibration is abnormal. OFF ON
16#1801
The external voltage is abnormal. OFF Blinking
16#1802
Hardware failure OFF
Blinking
16#1804
The factory calibration is abnormal. OFF
Blinking
16#1808
The signal received by channel 1 exceeds the range of inputs
that the hardware can receive.
Run: blinking
Stop: OFF
Blinking
16#1809
The signal received by channel 2 exceeds the range of inputs that
the hardware can receive.
16#180A
The signal received by channel 3 exceeds the range of inputs that
the hardware can receive.
16#180B
The signal received by channel 4 exceeds the range of inputs that
the hardware can receive.
16#180C
The signal received by channel 5 exceeds the range of inputs that
the hardware can receive.
16#180D
The signal received by channel 6 exceeds the range of inputs that
the hardware can receive.
16#180E
The signal received by channel 7 exceeds the range of inputs that
the hardware can receive.
16#180F
The signal received by channel 8 exceeds the range of inputs that
the hardware can receive.
-
When power-on, the module is not detected by CPU module. OFF
Blinking once
or twice and
after 2
seconds, it
blinks
repeatedly
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