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E023

E023 — Short circuit/earth leakage

Wilo · Wilo-Stratos GIGA Pumps

What does E023 mean?

A short circuit or earth leakage has been detected, indicating a defective motor or module. Customer service is required.

Common Causes

  • Motor defective
  • Module defective
  • Short circuit
  • Earth leakage

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power supply immediately.

  2. 2

    Contact customer service for diagnosis and repair.

  3. 3

    Ensure all wiring is properly insulated and protected.

Browse all codes in this manual (40)
Verified technical data. Last updated: April 2026

Related Faults

3 red flashes3 red flashes — Communication errorE.025E.025 — General error codeE000E000 — System OK / No error
Source: Wilo-Stratos GIGA Pumps
Open Manual (Page 54)Search more codes in this manual