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LED solid

actoSTOR module LED solid - Communication OK

Vaillant · ecoTEC plus Boilers

What does LED solid mean?

The status LED on the actoSTOR module is solid, indicating that communication is working correctly. This is the normal operating state for the module's communication with the Vaillant Ecotec Plus Boilers.

Common Causes

  • Normal operation and proper communication between the actoSTOR module and the boiler's electronics.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    No action is required, as this indicates proper function.

  2. 2

    Continue monitoring your boiler's performance as usual.

  3. 3

    If other faults are present despite this LED being solid, refer to those specific fault codes for troubleshooting.

Browse all codes in this manual (100)
Verified technical data. Last updated: April 2026

Related Faults

F.0F.0 — Flow–NTC open circuitF.1F.1 — Return–NTC open circuitF.10F.10 — Flow NTC short circuit
Source: Vaillant ecoTEC plus Boilers
Open Manual (Page 9)Search more codes in this manual