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E005 (E033)

E005 (E033) - High converter supply voltage

Wilo · Helix VE Pumps

What does E005 (E033) mean?

The voltage supplied to the converter has risen too high (above 480V for 0.55-7.5 kW, or 506V for 11-22 kW). The red LED will light up.

Common Causes

  • Converter supply experiences overvoltage

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the pump and wait 0 seconds.

  2. 2

    Check the converter terminals for proper connection.

  3. 3

    Ensure the network voltage is within the acceptable range.

  4. 4

    Manually acknowledge the fault after resolving the issue.

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