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CE 210 FAULT CODE
Worcester Bosch

Primary Flow Sensor Fault

Medium Severity Engineer Required

The primary flow NTC sensor is giving an out-of-range reading on modern Greenstar models.

Step-by-Step Fix Guide

  1. Step 1

    Reset once

  2. Step 2 Engineer only

    Call a Gas Safe engineer if the fault persists

Gas Safe Reminder

Work on gas appliances must be carried out by a Gas Safe registered engineer. The steps above cover safe checks a homeowner can perform - any internal component replacement requires a qualified professional. If in doubt, always call an engineer.

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