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ErrorLib — Industrial Fault Code Library

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29

Parameters Lost

Indramat · ServoDyn D Servo Drive

What does 29 mean?

This error occurs when the CLM01.3-M's back-up battery, responsible for retaining parameters when power is off, is disconnected or has low voltage. This results in the loss of critical configuration parameters, indicated by asterisks (*) on the display.

Common Causes

  • The lithium back-up battery (on the MOK 11 card) is disconnected, depleted, or has low voltage.
  • Parameters were not re-entered or restored after a battery replacement or power loss.
  • The MOK 11 card (Memory and Battery Module) is faulty or improperly seated.
  • Firmware replacement or update without proper parameter backup/restore procedure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn OFF power to the CLM01.3-M.

  2. 2

    Remove the MOK 11 card (Memory and Battery Module) as shown in Figure 2.3 of the manual.

  3. 3

    Replace the 3.6-volt lithium back-up battery on the MOK 11 card.

  4. 4

    After replacing the battery, turn power ON and re-enter all necessary CLM01.3-M parameters, as they will have been lost (refer to Chapter 4).

  5. 5

    Verify that all CLM01.3-M parameters are stored with valid numbers (no asterisks) and correspond to the application's requirements.

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Verified technical data. Last updated: April 2026

Related Faults

00No Error Message Displayed01System Failure02Invalid Input
Source: Indramat ServoDyn D Servo Drive
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