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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.

36

Control unit

Vacon · NX Liquid-Cooled Drive

What does 36 mean?

The VACON NXS Control Unit is unable to control the VACON NXP Power Unit, or vice versa. This indicates an incompatibility or mismatch between the control and power units.

Common Causes

  • Internal control unit hardware failure.
  • Memory corruption within the control unit.
  • Watchdog timer reset due to control unit freeze.
  • Power supply issue to the control unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Replace the installed control unit with a compatible VACON NXS or NXP control unit that matches the power unit.

Browse all codes in this manual (52)
Verified technical data. Last updated: April 2026

Related Faults

1Overcurrent10Input Phase Failure12Brake Chopper Supervision Fault
Source: Vacon NX Liquid-Cooled Drive
Open Manual (Page 154)Search more codes in this manual