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worcester boiler fault 9f 855

Having trouble with your Worcester boiler showing fault code 9F 855? Don't worry, we've got you covered!


Is your Worcester boiler acting up and displaying the infamous fault code 9F 855? Don’t worry, we’ve got you covered! In this article, we’ll walk you through some troubleshooting steps to help you get your boiler back up and running in no time. Say goodbye to your Worcester boiler woes with our helpful tips and tricks!

Troubleshooting Your Worcester Boiler: Fault 9F 855

When you see the fault code 9F 855 on your Worcester boiler, it usually indicates a problem with the gas supply. One of the first things you should check is if your gas supply is turned on and that there are no issues with the meter or gas valve. If everything seems to be in order, it might be a faulty gas valve or a problem with the ignition electrode. In this case, it’s best to call a professional technician to inspect and repair the issue.

Another common cause of the 9F 855 fault code is a blocked flue or ventilation system. Check to see if there are any obstructions or debris blocking the flue pipe or ventilation system. Make sure that the air flow is not restricted and that the flue pipe is properly installed. If you’re unsure how to safely check and clear the flue, it’s best to contact a qualified heating engineer to do the job for you.

If you’ve checked the gas supply, gas valve, ignition electrode, and flue system and are still seeing the fault code 9F 855 on your Worcester boiler, it’s time to reset the boiler. Simply turn off the boiler, wait a few minutes, and then turn it back on. If the fault code persists, it’s best to contact a professional to diagnose and repair the issue. Remember, safety always comes first when dealing with gas appliances.

Say Goodbye to Your Worcester Boiler Woes!

Dealing with a faulty boiler can be frustrating, but with the right troubleshooting steps and professional help, you can say goodbye to your Worcester boiler woes. Remember to always prioritize safety when dealing with gas appliances and never attempt repairs that you’re not comfortable with. By following these tips and seeking the help of a qualified technician, you’ll have your Worcester boiler back up and running efficiently in no time. Don’t let the fault code 9F 855 get you down – you’ve got this!


So there you have it – troubleshooting tips to help you tackle the Worcester boiler fault code 9F 855 with confidence. With a little patience and the right assistance, you can overcome any boiler issues that come your way. Say goodbye to your Worcester boiler worries and hello to cozy warmth and comfort in your home. Keep these tips in mind and you’ll be enjoying a fully functional boiler in no time!

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