Delta AH500 - Page 422

AH500 Module Manual
10-60
10.10 Error Diagnosis and Trouble Shooting
AH10DNET-5A provides three diagnosis methods such as indicator, seven-segment display and
software diagnosis.
10.10.1 Indicator Diagnosis
 NS LED
LED status
Indication
How to deal with
OFF
No power; Duplicate ID
detection has not completed.
1. Make sure that AH10DNET-5A is
powered.
2. Ensure that at least one node or more
are communicating on the network.
Green light
blinking
No connection with the
DeviceNet
No correction;
Or refer to the code on the seven-segment
display for the error-shooting.
Green light ON
Online and connecting with
the DeviceNet normally
--
Red light
blinking
Communication error.
Refer to the code on the seven-segment
display for the error-shooting.
Red light ON
Network error: duplicate ID;
no network power or bus-off
1. Make sure all the devices have their
unique node address.
2. Check if the network installation is correct
3. Check if the node address of
AH10DNET-5A is valid.
4. Check if the network power is normal.
 MS LED
LED status
Indication
How to deal with
OFF
No power
Make sure that AH10DNET-5A is powered
and connected properly.
Green light
blinking
The scanner module has not
been configured
Configure the scan list and re
-
download the
configuration to AH10DNET-5A.
Green light ON
Normally input/output data
--
Red light
blinking
As the master, the slave in
the scan list of
AH10DNET-5A works
abnormally; as the slave, it
is a configuration problem
Refer to the display on the seven-segment
display and ensure that the slave message
is consistent with that actually connected.
Red light ON
The internal error in
AH10DNET-5A
1. Check if the configuration is correct
2. Repower it first and return it to the factory
for repair if the error still exists.
 NS and MS LED
LED status
Indication How to deal with
NS
MS
OFF OFF
No power
Check if the power of AH10DNET-5A is
normal.