Delta AS Series Manual

AS Series Module Manual
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4.5 Troubleshooting
4.5.1 Error Codes
Error
Code
Description
D

A 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
-
When power-on, the module is not detected by CPU module. OFF
Blinking once
or twice and
after 2
seconds, it
blinks
repeatedly
4.5.2 Troubleshooting Procedure
Description Procedure
The external voltage is abnormal.
Ensure the external 24 V power supply to the module is
functioning normally.
Hardware failure Return the module to the factory for repair.
Internal error
The factory calibration is abnormal.
Contact the factory.
When power-on, the module is not detected by
CPU module.
Check if the connection between module and CPU
module is working. If not, connect again.

Delta AS Series Specifications

General

Series	AS Series
Power Supply	24VDC
Cooling Method	Natural convection
Programming Language	Function Block Diagram (FBD)
Communication Interface	Ethernet, RS-232, RS-485
Output Voltage	24V DC
Output Current	2A
Operating Temperature	55°C
Storage Temperature	70°C
Protection Features	Overvoltage
Certifications	CE, UL