CodeRegistry
Brands
  1. Home
  2. Wilo
  3. Yonos PICO Pumps
  4. E11
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

E11

E11 - Dry run detected

Wilo · Yonos PICO Pumps

What does E11 mean?

The LED display shows E11, indicating a dry run situation, meaning there is air in the pump. The pump may switch off or run with limited output.

Common Causes

  • Air in the pump
  • Insufficient volumetric flow rate or water pressure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the system's water pressure.

  2. 2

    Ensure the system is properly filled and there is adequate water flow.

  3. 3

    If the system is not vented, activate the pump venting function (briefly press function key 1x).

Browse all codes in this manual (17)
Verified technical data. Last updated: April 2026

Related Faults

Bars bottom to top blinkBars bottom to top blink - Pump venting function activeBuilding does not get warmBuilding does not get warm - Heating output too lowE04E04 - Undervoltage detected
Source: Wilo Yonos PICO Pumps
Open Manual (Page 19)Search more codes in this manual