AS Series Module Manual
9- 78
9.7.2.3 ERROR LED Indicators Blinking Every 0.5 Seconds
Error codes:
Error
Description Solution
16#1500 Remote module communication timeout Make sure the communication cable is well connected
16#1502 Incorrect parameters
Check the parameter in HWCONFIG. Download the
16#1503
Remote extension module communication
timeout
Make sure the communication cable is well connected
and the module is properly connected to the CPU
module and turn the modules on again.
16#1505
The actual placement of the extension
modules is NOT the same as it is set.
Check if the parameter in HWCONFIG is the same as
9.7.2.4 ERROR LED Indicators Blinking Every 0.2 Seconds
This happens when the 24 VDC power supply for the remote module is not sufficient. Check the power supply. If the
power supply is normal, remove the extension module from the CPU module and then check if the SCM remote
module is out of order. Error codes:
Error
Description Solution
16#1303
24VDC power supply had not been
sufficient before and then recovered from
low-voltage that was less than 10 ms.
Check whether the 24 V power supply to the module is
normal.