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rio900ns:troubleshooting

How to Troubleshoot

LED State

Status Mode and Relay Indication
Link RSSI Indication
Alarm Alarm Condition Indication
TX Blinks when the unit is transmitting. Red for serial traffic, Green for RF traffic
RX Blinks when the unit is receiving. Red for serial traffic, Green for RF traffic

Status LED

Solid Red RIO bootloader active
Solid Green Normal Operation and Relay CLOSED
Flashing Green Normal Operation and Relay OPEN
Solid Green No Radio Module Present (RIO100)
Flashing Green RSSI > -70
Solid Amber -70 >= RSSI > -80
Flashing Amber -80 >= RSSI > -90
Solid Red -90 >= RSSI > -100
Flashing Red -100 >= RSSI > -110
Off -110 >= RSSI (No Link)

Alarm LED

Solid RedLow Voltage Alarm.
Flashing RedConfiguration error on this unit.
Solid AmberTelemetry error between this unit and another unit.
Flashing AmberFail safe active on at least one module.
Solid GreenCommunication timeout. (unit has not received a valid message within specified timeout)
Flashing GreenThere is a known error in the network that does not directly affect this unit.

Other Indications

Alarm, Link and Status LEDs AmberNo configuration loaded
All LEDs RedNo firmware loaded (upgrade from bootstrap required)

Status light on I/O Module is off

  • Check that the I/O Module is firmly connected to the RIO900

Outputs do not match the opposite pair

  • Make sure you are talking to the correct unit (pairs are labeled)
  • Check that the rotary switch on both I/O Modules are set to the same number.
  • Check the RIO900 status lights for pairing issues

Other (use GUI to diagnose)

  1. Connect to the RIO.
  2. See Local Diagnostics.
rio900ns/troubleshooting.txt · Last modified: 2022/07/05 13:45 by