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F7 228Severity: High

Worcester Bosch F7 228: False flame detected

Also shown as:F7228
Quick answer

On Worcester Bosch boilers, fault code F7 228 means: False flame detected. Do not keep resetting or using the boiler. Switch it off and call a qualified gas engineer. If you smell gas, leave the building and call the gas emergency number.

Smell gas? Don't use switches or flames, open windows, close the gas valve, leave the building and call your gas emergency number. Never open the boiler casing yourself.

Can I keep using the boiler?

Severity: High

Do not keep resetting or using the boiler. Switch it off and call a qualified gas engineer. If you smell gas, leave the building and call the gas emergency number.

Common causes

  • Faulty or dirty ignition / flame sensing electrode
  • Faulty gas valve
  • Faulty control or motor board

How to fix it

  1. Have a qualified gas engineer inspect the boiler; never open gas or flue parts yourself
  2. If you smell gas: don't use switches, open windows, close the gas valve and call the gas emergency line

Frequently asked questions

What does Worcester Bosch error F7 228 mean?

On Worcester Bosch boilers, fault code F7 228 means: False flame detected.

How do I fix Worcester Bosch error F7 228?

Start with these steps: Have a qualified gas engineer inspect the boiler; never open gas or flue parts yourself; If you smell gas: don't use switches, open windows, close the gas valve and call the gas emergency line.

Is it safe to use the boiler with fault F7 228?

Severity: High. Do not keep resetting or using the boiler. Switch it off and call a qualified gas engineer. If you smell gas, leave the building and call the gas emergency number.

Worcester Bosch boiler fault codes

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