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ErrorLib — Industrial Fault Code Library

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Err5

Com RJ45 Fault

Schindler · Altivar 212 Variable Frequency Drive

What does Err5 mean?

This fault indicates a serial communication error over the RJ45 connection of the Altivar 212 drive, potentially due to issues with network devices, cabling, or communication settings.

Common Causes

  • Serial communication error on the RJ45 port.
  • Faulty network control devices or communication cables.
  • Incorrect setting of communication timeout parameter F803 ([Com. time out]).
  • Problem with the remote graphic display option cable.
  • Incorrect setting of network protocol parameter F829 ([Network protocol]).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check all RJ45 network control devices and communication cables for integrity.

  2. 2

    Verify the setting of parameter F803 ([Com. time out]) for proper timeout duration.

  3. 3

    Inspect the remote graphic display option cable for damage or loose connections.

  4. 4

    Check the setting of parameter F829 ([Network protocol]) to ensure it matches the network type.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

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Source: Schindler Altivar 212 Variable Frequency Drive
Open Manual (Page 181)Search more codes in this manual