Worcester Bosch Greenstar Heatslave II External A0 – Thermal store sensor defect | BoilerTool

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A0

Thermal store sensor defect

Worcester Bosch Greenstar Heatslave II External

Cause 809 (Blocking)

Thermal store sensor defective

Action

Reset

This code also applies to:

Greenstar Heatslave II

Source: Manufacturer manual (PDF)

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