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E007

Warning E007 — Generator operation (flow driving pump)

Wilo · VeroLine and VeroTwin Pumps

What does E007 mean?

This is a warning that the flow of fluid is actually turning the pump impeller, causing it to act like a generator and feed power back into the mains. Prolonged operation in this state can damage the electronic module.

Common Causes

  • Incorrect system setup.
  • Flow direction is reversed.
  • System pressure is too high.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the system's operating settings.

  2. 2

    Ensure the pump is installed correctly and fluid is flowing in the intended direction.

  3. 3

    Verify system pressures are within the normal operating range.

  4. 4

    Contact customer service if the cause is unclear.

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