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Red LED solid

Red LED solid - Fault detected

Wilo · Helix VE Pumps

What does Red LED solid mean?

A solid red LED indicates that a fault has been detected by the pump system. The specific fault code will be displayed.

Common Causes

  • Any active fault condition

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the displayed fault code (e.g., E001).

  2. 2

    Consult the fault table for the specific code's meaning and remedies.

  3. 3

    Follow the steps for the specific fault code.

  4. 4

    Manually acknowledge the fault after resolution if required.

Browse all codes in this manual (24)
Verified technical data. Last updated: April 2026

Related Faults

E then 3 digitsE followed by 3 digits - Fault page displayedE001E001 - Pump overloadE004 (E032)E004 (E032) - Low converter supply voltage
Source: Wilo Helix VE Pumps
Open Manual (Page 34)Search more codes in this manual