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how to fix f1 fault on glow worm boiler

Struggling with the dreaded F1 fault on your Glow Worm boiler? Don't worry - we've got you covered with some simple fixes!


Oh no, you’ve encountered the dreaded F1 fault on your Glow Worm boiler! Don’t fret, my friend, as I’m here to guide you through the process of troubleshooting and fixing this pesky issue. Say goodbye to frustration and hello to a warm and cozy home once again!

Troubleshooting the F1 Fault on Your Glow Worm Boiler

Is your Glow Worm boiler displaying the F1 fault code? Fear not, as there are a few simple steps you can take to troubleshoot this issue. First, check the pressure gauge on your boiler – if it’s below 1 bar, it may be causing the F1 fault. Simply top up the pressure by using the filling loop until it reaches the recommended level (usually around 1.5 bar). Once you’ve done this, reset your boiler and see if the fault has been resolved.

Next, check the condensate pipe for any blockages or obstructions. This pipe is responsible for carrying waste water away from your boiler, and a blockage could be triggering the F1 fault. If you notice any debris or buildup, carefully clear it out and try resetting your boiler again. In some cases, a simple blockage could be the root cause of the F1 fault, so be sure to give your condensate pipe a thorough inspection.

If the F1 fault persists after checking the pressure and clearing the condensate pipe, it may be time to call in a professional for further assistance. A qualified heating engineer will be able to diagnose the issue and make any necessary repairs to get your Glow Worm boiler back up and running smoothly. Don’t let the F1 fault dampen your spirits – with a little troubleshooting and expert help, you’ll have your boiler working like a charm in no time!

Say Goodbye to Frustration: Easy Steps to Fix F1 Fault

So, you’ve followed the troubleshooting steps and the F1 fault on your Glow Worm boiler still hasn’t disappeared. Not to worry, as there are a few more tricks up our sleeves to help you say goodbye to frustration once and for all. Try checking the flue for any blockages or obstructions that could be causing the fault code to appear. A clear and free-flowing flue is essential for proper ventilation and operation of your boiler.

If the flue is clear and the F1 fault persists, it may be time to reset your boiler’s control board. This simple step can often resolve minor issues and give your boiler a fresh start. Refer to your boiler’s manual for instructions on how to reset the control board, or consult a heating engineer for assistance if needed. With a bit of perseverance and a can-do attitude, you’ll be able to conquer the F1 fault and enjoy a warm and cozy home once again.

In conclusion, troubleshooting and fixing the F1 fault on your Glow Worm boiler may seem like a daunting task, but with a little patience and determination, you’ll be able to tackle it head-on. Remember to check the pressure, clear the condensate pipe, inspect the flue, and reset the control board as needed. And if all else fails, don’t hesitate to seek professional help. Say goodbye to frustration and hello to a well-functioning boiler – you’ve got this!


With these easy steps and a positive attitude, you’ll be able to fix the F1 fault on your Glow Worm boiler in no time. Keep calm and carry on troubleshooting, and before you know it, your home will be warm and cozy once again. Happy fixing!

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