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E164 FAULT CODE
Baxi

Pressure Sensor Fault

Medium Severity Engineer Required

The water pressure sensor is giving an incorrect or out-of-range reading.

Step-by-Step Fix Guide

  1. Step 1

    Check system pressure on the gauge

  2. Step 2

    If pressure is correct but E164 persists, the sensor may be blocked or failed

  3. Step 3 Engineer only

    A Gas Safe engineer can clean or replace the pressure sensor

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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