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ErrorLib — Industrial Fault Code Library

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x166

CAN Sync Telegram Error

Lenze · 9300 Series

What does x166 mean?

An incorrect transmission of the synchronization telegram (displayed as P16) has occurred on the CAN system bus. This internal fault, related to C1290, indicates an issue with the timing or integrity of CAN communication synchronization, which can lead to unstable multi-axis operation.

Common Causes

  • Synchronization telegram error on the CAN bus.
  • Incorrect or missing CAN synchronization message (P16).
  • Communication disruption impacting CAN bus timing.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify CAN bus termination resistors are correctly installed at both ends of the bus.

  2. 2

    Check the physical integrity of the CAN bus cables for damage or loose connections.

  3. 3

    Ensure all CAN nodes have unique addresses and are configured with the same baud rate.

  4. 4

    Inspect the CAN bus connector on the device for any signs of corrosion or damage.

Browse all codes in this manual (145)
Verified technical data. Last updated: April 2026

Related Faults

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Source: Lenze 9300 Series
Open Manual (Page 240)Search more codes in this manual