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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

1008

WATCHDOG

Kone · Elevator Control

What does 1008 mean?

A watchdog timer fault has occurred in the motor controller (codes 1008, 2008, 3008 for left drive, right drive, and pump motor controllers respectively). This indicates a critical software or hardware issue, typically a frozen or unresponsive controller. The specific lift reaction is controller dependent.

Common Causes

  • Controller software frozen or unresponsive due to an error.
  • Hardware malfunction preventing the watchdog timer from being reset.
  • Corrupted firmware causing erratic program execution.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure input supply voltage at the motor controller terminals and verify it is stable and within specified operating limits.

  2. 2

    Inspect all power, communication, and motor feedback cabling connected to the motor controller for secure connections, damage, or signs of wear.

  3. 3

    Perform a controlled power cycle of the motor controller to attempt to clear the watchdog fault and re-initialize the system.

  4. 4

    Access the motor controller's diagnostic interface or display to review historical fault logs and current status for further diagnostic information.

  5. 5

    Verify the motor controller's critical operating parameters and firmware version against the latest documentation or backup.

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

Related Faults

01System Initialization Fault02System Communication Fault03Invalid Option Setting Fault
Source: Kone Elevator Control
Open Manual (Page 38)Search more codes in this manual