Chapter 11 DeviceNet Remote I/O Module AHRTU-DNET
11-105
Red light ON Hardware error
Send it back to the factory for repair if the
error still exists after repowering
AHRTU-DNET-5A.
11.7.2 Digital Display Diagnosis
0~63
AHRTU-DNET-5A when it
works normally
--
F0
duplicated with that of other
node or exceeds the valid
range.
Ensure that the node address is unique and
repower it after modifying the node address.
F1
No module setting has been
configured to
AHRTU-DNET-5A.
Configure the module and then download it to
AHRTU-DNET-5A.
F2
AHRTU-DNET-5A is too low.
Check if the work power of AHRTU-DNET-5A is
normal.
F3
test mode.
Repower AHRTU-DNET-5A.
F4
AHRTU-DNET-5A enters the
Bus-Off state.
1. Check if the network cable is normal and the
shielded wire has been grounded.
2. Check if the baud rate of the node
equipment on the network is the same.
3. Check if the two ends of the network have
been connected with one 121 Ω resistor
respectively.
4. Repower AHRTU-DNET-5A.
F5 No network power
Make sure the cable is correctly connected and
check if the network power is normal.
F6
Internal error; internal storage
detection error
If the error still exists after repower, send your
AHRTU-DNET-5A back to the factory for repair.
F7
Internal error; data exchange
unit error
If the error still exists after repower, send your
AHRTU-DNET-5A back to the factory for repair.
F8
Error produced in factory
manufacturing
If the error still exists after repower, send your
AHRTU-DNET-5A back to the factory for repair.
F9
Internal error; FLASH access
error
If the error still exists after repower, send your
AHRTU-DNET-5A back to the factory for repair.
FA Main rack error
1. Check the connection of the main rack and
replace it with a new one.
2. Replace the main rack with a new one.
FB Invalid configuration data
Ensure that the network is normal and
re-download the configuration; ensure the node
address of AHRTU-DNET-5A is different from
that of other node.
E4 Module error
The corresponding module connected to the rack
slot is in error state; check if the corresponding
module alarms or is bus-off or does not fit the
configured module or has been added to the scan
list.