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F9 FAULT CODE
Ideal

Unconfigured PCB

Medium Severity Engineer Required

The Printed Circuit Board has not been configured correctly. This almost always occurs after a PCB replacement.

Step-by-Step Fix Guide

  1. Step 1

    This fault almost always occurs after PCB replacement

  2. Step 2 Engineer only

    The engineer who replaced the PCB must configure it using Ideal's setup procedure

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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