12.3.4.2  ERROR LED Indicators Blinking Every 0.2 Seconds 
The following errors are specified as warnings to ensure that the CPU module can still run even when the warnings are 
triggered by its modules. The following first 3 error codes are set as warnings by default in HWCONFIG; CPU must 
STOP running immediately when the first 3 errors occur.   
Error 
Description  Solution 
16#1801  The external voltage is abnormal.  Check the power supply.
16#1802  Hardware failure 
If the problem persists, contact the local authorized 
distributors.
16#1807  Diver board failure   
Check if the terminal is affected by noises or is short-
circuited, i.e. EXC+ and EXC-. If the problem persists, 
contact the local authorized distributors.
16#1808 
The signal received by channel 1 
exceeds the range of analog inputs or the 
Check the signal received by channel 1 and the cable 
connections.
 
16#1809 
The signal received by channel 1 
exceeds the weight limit. 
Check the value input to channel 1 and the maximum 
16#180A 
The factory calibration in channel 1 is 
Check the weight calibration in channel 1.   
16#180B 
The signal received by channel 2 
exceeds the range of analog inputs or the 
Check the signal received by channel 2 and the cable 
connections.
 
16#180C 
The signal received by channel 2 
exceeds the weight limit. 
Check the value input to channel 2 and the maximum 
16#180D 
The factory calibration in channel 2 is 
Check the weight calibration in channel 1. 
- 
When power-on, the module is not 
Check if the connection between module and CPU 
module is working. If not, connect again. 
 
12.3.5
 
Troubleshooting for the Module AS04SIL IO-Link as a 
Communication Module 
12.3.5.1  ERROR LED Indicators (Module Status) Blinking Every 0.2 Seconds 
The following error codes identify possible errors when the AS04SIL module is installed on the right side of the CPU 
module or RTU and acts as a communication module.   
Error 
Description  Solution 
16#1605  Hardware failure 
1.  Check that the module is securely installed.   
2.  Install a new AS04SIL or if the problem persists, 
contact the local authorized distributors. 
16#1606 
24VDC power supply is not sufficient and 
then recovered from low-voltage for less 
than 10 ms. 
Check whether the 24 V power supply to the module is 
normal. 
 
 
 
 
 
 
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