Delta AH Series User Manual

Chapter 9 Troubleshooting
9-33
9_
9.2.6. AH10EN-5A/AH15EN-5A
Error code Description
LED indicator status
CPU
Module
BUS
FAULT
Error
16#A001
The IP address of host 1 conflicts with another system on the network.
Blinking
16#A002
The IP address of host 2 conflicts with another system on the network.
Blinking
16#A003
DHCP for host 1 fails.
Blinking
16#A004
DHCP for host 2 fails.
Blinking
16#A401
Hardware error
ON
16#A402
The initialization of the system fails.
ON
9.2.7. AH10SCM-5A/AH15SCM-5A
9.2.8. AH10DNET-5A
Error code Description
LED indicator status
CPU
Module
BUS FAULT
MS
NS
16#A0F0
The node ID of AH10DNET-5A is the same as other node
ID on the network, or exceeds the range.
The red
light blinks.
The green
light blinks.
The red
light is ON.
16#A0F1 No slave is put on the scan list of AH10DNET-5A.
The red
light blinks.
The green
light blinks.
The green
light is ON.
16#A0F2 The working voltage of AH10DNET-5A is low.
The red
light blinks.
The red
light blinks.
The red
light blinks.
16#A0F3 AH10DNET-5A enters the test mode.
The red
light blinks.
The orange
light is ON.
The orange
light is ON.
16#A0F4 The bus of AH10DNET-5A is switched OFF.
The red
light blinks.
The green
light is ON.
The red
light is ON.
16#A0F5
AH10DNET-5A detects that there is no network power
supply to the DeviceNet.
The red
light blinks.
The red
light blinks.
The red
light is ON.
16#A0F6
Something is wrong with the internal memory of
AH10DNET-5A.
The red
light blinks.
The red
light is ON.
The green
light blinks.
16#A0F7
Something is wrong with the data exchange unit of
AH10DNET-5A.
The red
light blinks.
The red
light is ON.
The green
light blinks.
16#A0F8 The product ID of AH10DNET-5A is incorrect.
The red
light blinks.
The red
light is ON.
The green
light blinks.
16#A0F9
An error occurs when the data is read from
AH10DNET-5A, or when the data is written into
AH10DNET-5A.
The red
light blinks.
The red
light is ON.
The red
light is ON.
16#A0FA
The node ID of AH10DNET-5A is the same as that of the
slave set in the scan list.
The red
light blinks.
The green
light is ON.
The red
light is ON.
Error code Description
LED indicator status
CPU
Module
BUS
FAULT
ERROR
16#A002
The setting of the UD Link is incorrect, or the communication fails.
Blinking
16#A401
Hardware error
ON
16#A804
The communication through the communication port is incorrect.
OFF
16#A808
MODBUS communication error
OFF

Delta AH Series Specifications

General

Brand	Delta
Model	AH Series
Category	Controller
Language	English