Fuji FRENIC-VG, Mini, HVAC & eHVAC Drive
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Aug 06, 2024 5:27 am
Cause : Network error comes when the connected option card detected an error or a disruption in communication between the card and the main system.
"er4" fault in Fuji FRENIC-VG drive "Network error". This means the drive has detected a problem with the communication between the drive and the network option card.
Troubleshooting Steps:
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Check the Option Card Installation:
- Ensure that the option card is properly seated in its slot and that all connections are secure.
- Inspect the card for any visible signs of damage or defects.
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Verify Wiring and Connections:
- Check all cables connecting the option card to the network. Ensure they are properly connected and free from damage.
- Verify that the correct type of cables is being used for the network protocol.
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Review Network Settings:
- Verify that the drive’s network settings and the option card configuration are correct. This includes IP addresses, baud rates, and other protocol-specific parameters.
- Ensure that the settings are compatible with the network to which the drive is connected.
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Update Firmware:
- Check if there are any firmware updates available for the drive and the option card. Updating to the latest firmware can resolve compatibility and communication issues.
- Follow the manufacturer’s instructions carefully when performing firmware updates.
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Test the Option Card on Another Drive:
- If possible, test the option card on another compatible drive to determine if the issue is with the card itself or with the original drive.
- Alternatively, try using a different option card in the original drive to see if the problem persists.