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E005

E005 — Overvoltage detected

Wilo · VeroLine and VeroTwin Pumps

What does E005 mean?

The voltage supplied to the pump is higher than the specified operating range. Excessive voltage can damage the pump's electronics.

Common Causes

  • Mains voltage is too high.
  • Issues with the electrical installation.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the mains voltage supply to ensure it is within the pump's specifications.

  2. 2

    Consult an electrician to assess and correct any voltage regulation issues.

  3. 3

    If voltage is consistently high, the electrical installation may need adjustment.

Browse all codes in this manual (45)
Verified technical data. Last updated: April 2026

Related Faults

3 red flashes3 red flashes — Communication error6.0.0.0 flashes6.0.0.0 flashes — Ready to acknowledge error6.0.0.0 steady6.0.0.0 steady — Error acknowledgement countdown active
Source: Wilo VeroLine and VeroTwin Pumps
Open Manual (Page 51)Search more codes in this manual