Delta AH500 Manual page 779

Error
Category
code
16#3001
MODBUS TCP
communication 16#5000
error
16#5001
NTP
communication
error
16#5002
16.7.3 Indicator Status

MS/NS Indicator
LED Status
MS
LED OFF LED OFF
Green light and Green light and
red light blink red light blink
alternately alternately
Green light ON
Red light ON
Green light blinks
-
Green light ON
- Red light blinks
Red light blinks
- Red light ON
Chapter 16 Remote I/O Module AHRTU-ETHN-5A
7-segment
Explanation
display
timeout
DLR link
E4
offline
Out of
-
connections
NTP Server
- connection
failure
NTP time
- update
failure
Indication
NS
No supply power
AHRTU initializing
AHRTU initializing is
-
finished.
CPU hardware error 1. Check if the error indicator is OFF
Memory
error
-
Flash
error
I/O connection is not
made.
I/O connection has
been made.
I/O communication
timeout
- IP setup error
IP addresses 1. Check if there are duplicated IP
How to deal with
2. Check if the module is normal.
3. Raise the setting value of RPI.
Check if Ring network products
are connected correctly.
1. Check if the number of
product connections exceeds
the limit.
2. Reduce the number of
product connections.
1. Check the setup for server
connection.
2. Check if the system server
exists.
3. Check if the wiring for
connection of the server is
proper.
1. Check if the network
connection is normal.
2. Check if the NTP parameter
setup is correct.
How to deal with
Check if the supply power works
normally.
No correction
after re-installing the module after
hardware
power OFF.
2. Replace the module and install
the new module. Check if the
hardware
error indicator is OFF.
3. Contact the local distributor.
No correction.
1. Check if the network cable
connection is proper.
2. Check if the module is normal.
3. Raise the setting value of RPI
Check if the IP address setup is
legal.
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