Troubleshooting; How To Diagnose By Led Indicator - Hitachi HX-RIO3 Series User Manual

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10. Troubleshooting

10.1. How to diagnose by LED indicator

LED Status
All LED turns off
MOD LED is red
NET LED turns off
NET LED flashed green
NET LED is red
DIA Flashing Red with MOD
led is red
DIA Flashing Red with IOS
led is red
DIA Flashing Red
IOS LED turns off
IOS LED flashes red
IOS LED is red
Field Power LED turns off
System Power LED turns off
Cause
- No power
- Occurrence critical error in firmware
Failure of communication with Master
Failure of exchanging data with master
Failed communication
Device has hardware checking error.
Device has expansion module error.
Failed to initialize expansion module
- Overflow Input/Output size.
(244bytes / 244bytes)
- Overflow Configuration data size.
(244bytes / 244bytes)
- Too many expansion modules. (Max
63 slot)
- Mismatch vendor code between
adapter and expansion
module.
- Device may not be powered.
- Adapter has no expansion module
One or more expansion module
occurred in fault state.
- Detected invalid expansion module
ID.
- Overflowed Input/Output Size
- Too many expansion module
- Initialization failure
- Communication failure.
- Changed expansion module
configuration.
- Mismatch vendor code between
adapter and expansion module.
- Field power is not supplied.
- System power is not supplied.
HX-RIO3 Series
Action
- Check main power Cable
- Contact Sales team and send
module for repair.
Check main power for master and
communication cable.
Check status in software for Master
configuration.
- Contact Sales team and send
module for repair.
- Contact Sales team and send
module for repair.
- Contact Sales team and send
module for repair.
- Use expansion slot up to 63.
- Compose that IO total size is not
excess.
- Check status of expansion IO
connection.
- Check the vendor code of module.
- Check main power Cable
- Add one or more expansion
modules.
- Use expansion slot up to 63.
- Compose that IO total size is not
excess.
- Check status of expansion IO
connection.
- Check the vendor code of module.
- Check main power Cable
- Contact Sales team and send
module for repair.
- Check main power Cable
- Contact Sales team and send
module for repair.