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E020

E020 — Excess winding temperature

Wilo · Wilo-Stratos GIGA Pumps

What does E020 mean?

The motor is too hot, likely due to being overloaded or having limited ventilation. Allow the motor to cool down and check settings.

Common Causes

  • Motor overloaded
  • Limited motor ventilation
  • High water temperature

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Allow the motor to cool down completely.

  2. 2

    Provide unobstructed air access to the motor ventilation.

  3. 3

    Lower the water temperature if it is excessively high.

  4. 4

    Check and correct the pump's duty point settings.

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