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Low charging power or slow charging

Vehicle charging at low power or charging slowly

Wallbox · User Guide Midsummer Wholesale

What does Low charging power or slow charging mean?

The charging speed may decrease as the session nears completion. High temperatures in the charger or vehicle can also reduce power. Ensure firmware is updated.

Common Causes

  • Charging session nearing completion
  • High temperature detected in charger or vehicle
  • Outdated charger firmware
  • Incorrect current selector setting

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the Wallbox app for firmware updates and install if available.

  2. 2

    Ensure the charger and vehicle are operating within normal temperature ranges.

  3. 3

    If the issue persists and has always been low power, contact your installer to check the current selector inside the Pulsar.

Browse all codes in this manual (18)
Verified technical data. Last updated: April 2026

Related Faults

Charger does not power upCharger does not power upCharger name by default is Serial NumberCharger name defaults to Serial NumberCharger status: GreenCharger status shown as green - Available
Source: User Guide Midsummer Wholesale
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