Troubleshooting For Analog Modules (Ad/Da/Xa) And Temperature Modules (Rtd/Tc) - Delta AS Series Operation Manual

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12.3 Troubleshooting for Other I/O Modules
Introduction to troubleshotting modules

Digital I/O, analog I/O, temperature measurement, positioning, counter, load cell, and network modules can be
installed in an AS Series system. There are 2 types of error codes; error and warning. The CPU module and its
modules stop operating when errors occur. The CPU modules and its modules do not stop operating when warnings
are triggered.
12.3.1 Troubleshooting for Analog Modules (AD/DA/XA) and
Temperature Modules (RTD/TC)
12.3.1.1 ERROR LED Indicators Are ON
You can set up HWCONFIG to have the following errors appear as warnings when they occur. Otherwise, when an error
occurs, only an error message appears.
Error
Code
16#1605
16#1607
16#1608
12.3.1.2 ERROR LED Indicators Blinking Every 0.2 Seconds
The following errors are specified as warnings to ensure that the CPU can still run even when the warnings are triggered
by its modules. If you need the CPU STOP running immediately when the first 4 errors occur, you need to set them as
errors.
Error
Code
16#1801
16#1802
16#1804
16#1807
16#1808
16#1809
16#180A
16#180B
Description
Hardware failure
The external voltage is abnormal.
The factory calibration or the CJC is
abnormal.
Description
The external voltage is abnormal.
Hardware failure
The factory calibration is abnormal.
The CJC is abnormal.
The signal received by channel 1
exceeds the range of analog inputs
(temperature).
The signal received by channel 2
exceeds the range of analog inputs
(temperature).
The signal received by channel 3
exceeds the range of analog inputs
(temperature).
The signal received by channel 4
exceeds the range of analog inputs
(temperature).
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Solution
If the problem persists, contact the local authorized
distributors.
Check the power supply.
If the problem persists, contact the local authorized
distributors.
Solution
Check the power supply.
If the problem persists, contact the local authorized
distributors.
If the problem persists, contact the local authorized
distributors.
If the problem persists, contact the local authorized
distributors.
Check the signal received by channel 1
Check the signal received by channel 2
Check the signal received by channel 3
Check the signal received by channel 4