Delta AS Series Manual page 368

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9.7.2.3 ERROR LED Indicators Blinking Every 0.5 Seconds

Error codes:

Remote module communication timeout

Incorrect parameters

Remote extension module communication

The actual placement of the extension

modules is NOT the same as it is set.

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:

24VDC power supply had not been

sufficient before and then recovered from

low-voltage that was less than 10 ms.

Make sure the communication cable is well connected

Check the parameter in HWCONFIG. Download the

parameter again.

Make sure the communication cable is well connected

and the module is properly connected to the CPU

module and turn the modules on again.

Check if the parameter in HWCONFIG is the same as

the actual placement.

Check whether the 24 V power supply to the module is

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