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E052

E052 — DP/MP communications time-out

Wilo · Wilo-Stratos GIGA Pumps

What does E052 mean?

Communication between the master and slave pumps (DP/MP) is defective. This could be due to a faulty cable or connection.

Common Causes

  • Defective MP communication cable
  • Loose cable connections

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the MP communication cable for damage.

  2. 2

    Ensure all cable connections are secure.

  3. 3

    Verify the correct wiring of the MP communication.

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