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E051

E051 — Impermissible DP/MP combination

Wilo · Wilo-Stratos GIGA Pumps

What does E051 mean?

This error means there's an invalid combination of pumps on the DP/MP network. This usually requires customer service intervention.

Common Causes

  • Incompatible pumps connected
  • Incorrect network configuration

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify that all connected pumps are compatible with each other.

  2. 2

    Consult the manual for correct DP/MP network setup.

  3. 3

    Request customer service for assistance with the pump combination.

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 55)Search more codes in this manual