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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.

F37

System watchdog

SEW Eurodrive · MOVITRAC 07B System

What does F37 mean?

An error has occurred in the fundamental system software sequence, indicating a potential internal processing issue. This fault causes an immediate switch-off with inhibit, often related to environmental electrical interference.

Common Causes

  • Disruption in the inverter's internal system software sequence
  • Electromagnetic interference affecting the inverter's internal processing
  • Inadequate grounding or shielding of the inverter installation

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check grounding and shielding of the inverter installation and improve if necessary.

Browse all codes in this manual (41)
Verified technical data. Last updated: April 2026

Related Faults

F01OvercurrentF03Ground faultF04Brake chopper
Source: SEW Eurodrive MOVITRAC 07B System
Open Manual (Page 352)Search more codes in this manual