Why is my Glow-Worm boiler not igniting?

Please note though, I’ve also seen this code when the boiler is not igniting due to no gas coming through the pilot assembly, The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead.

What are the fault codes for Glow Worm flexicom?

Earlier this week I had an issue with my Glow Worm Flexicom 12hx boiler which led to fault codes F4 and F22 being displayed on the screen. The solution was simple and only took me about 1o minutes to fix. Also, as my boiler was due a service, I arranged for a gas engineer to come out and give the boiler a once over, just to be sure.

What are the fault codes for Glow Worm HX boiler?

Fixing a Very Common Flexicom HX Boiler Fault Earlier this week I had an issue with my Glow Worm Flexicom 12hx boiler which led to fault codes F4 and F22 being displayed on the screen. The solution was simple and only took me about 1o minutes to fix.

Why does my glow worm boiler say f1?

If your Glow-Worm boiler is displaying the F1 fault code, it means there has been an issue with the ignition sequence. There are various ignition faults that can stop your boiler from working. Fault codes on Glow-Worm boilers will help your engineer to figure out what the problem is, quicker than if they had to fault-find from scratch.

How long is the glow worm boiler good for?

Glow-worm boilers come with 2-7 years of warranty as standard but some models are eligible for up to 15 years of warranty through Glow-worm’s club energy installers. Find out more with our guide to Glow-worm warranties.

What is the fault code on a flexicom glow worm boiler?

Fault code F14 (Flexicom CX range) If you were to look at the service manual, you’d find this fault states there’s a defective gas valve. However, check there is power from the PCB to the gas valve. If not, it’s not the gas valve at all, but either the PCB or the wiring harness.

What does the F25 code mean on my Glow worm boiler?

What does the F25 fault code mean on my Glow-Worm boiler If you’ve noticed the F25 fault code being displayed on your boiler, it means there’s a circulation fault. A circulation fault means that your boiler’s ability to circulate heated water is being compromised.

What does fault code F16 mean on glow worm?

1. Fault code F16 (Ci models) If the code F16 flashes up on your Glow-worm Ci model, this indicates a flame detection fault with your boiler. It could very well be that the boiler itself requires a service, and the probe needs cleaned or replaced.

Are there any problems with the glow worm boiler?

Five common faults with a Glow-worm boiler. Luckily, Glow-worm is quite a reliable brand, and with parts easily available, it’s usually worth it to pay for repairs – unless you have a particularly old model.

Q&A

Why is my Glow Worm boiler not igniting?

Please note though, I’ve also seen this code when the boiler is not igniting due to no gas coming through the pilot assembly, The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead.

How do you light the pilot light on a glow worm boiler?

The lit pilot heats a metal strip that expands and pushes a linkage to open the main gas supply for ignition to the boiler as required. In order to light the pilot you had to hold the button down on the Honeywell valve to allow gas to the pilot flicking the piezo or glowplug to light the pilot flame.

Why will my boiler not firing up?

Low Thermostat: The boiler may not fire up if the thermostat is set too low. Your heating system won’t start until the temperature of the environment is below the temperature set on the boiler. Sometimes, the boiler is not firing up because of an electrical fault. This could be a faulty plug or a blown fuse.

Why is my boiler not firing for hot water?

If the boiler pressure is too high or too low, this can result in your combi boiler not producing hot water. This should release pressure. If this doesn’t work, it may be possible that your boiler has a broken part, and you’ll need to consult an engineer. Boiler leaks can also cause low pressure.

Why isn’t my Baxi boiler not firing up?

A common culprit for this fault on Baxi boilers is a lack of pressure. If your system is set lower than 1.5 bar then it won’t operate correctly. Now, the quick fix is to top up the pressure using the filling loop. Once you’ve topped up the pressure, you’ll need to reset the boiler.

How old is the glow worm ultimate boiler?

Recently moved and house has Glow worm ultimate boiler about 15 years old. It has a knob inside to control temperature with ‘min’ and ‘max. written … read more Hi we have a Glow Worm Ultimate Boiler, not sure if its an 70 FF or 80FF. It was working fine until early this morning, but now the pilot light has gone … read more

When does the pilot light go out on glow worm?

I have an Glow Worm Space Saver MK2 which has worked well for years. recently it will go off just after the main burner lights up. Restarting the pilot is eventually successful, normally at the second … read more

Why is my Glow worm boiler not igniting?

Please note though, I’ve also seen this code when the boiler is not igniting due to no gas coming through the pilot assembly, The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead.

What to do if your glow worm boiler has fault code F9?

The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead. 2. Fault code F9 Next is the dreaded F9 code. The main problem here is that it’s a very generic code which can point to a few different faults relating to pressure, circulation and diverter valve issues.

Are there any problems with the glow worm boiler?

Five common faults with a Glow-worm boiler. Luckily, Glow-worm is quite a reliable brand, and with parts easily available, it’s usually worth it to pay for repairs – unless you have a particularly old model.

I have an Glow Worm Space Saver MK2 which has worked well for years. recently it will go off just after the main burner lights up. Restarting the pilot is eventually successful, normally at the second … read more

Is the glow worm boiler part of Vaillant?

Glow-worm is part of the Vaillant Group, and the company has its own dedicated service engineers to cover both Glow-worm and Vaillant boilers. Parts are easily available and reasonably priced, and they are a popular option for many of my clients.

The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead. 2. Fault code F9 Next is the dreaded F9 code. The main problem here is that it’s a very generic code which can point to a few different faults relating to pressure, circulation and diverter valve issues.

Miscellaneous

Why is my Glow worm boiler not igniting?

Please note though, I’ve also seen this code when the boiler is not igniting due to no gas coming through the pilot assembly, The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead.

What to do if your glow worm boiler has fault code F9?

The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead. 2. Fault code F9 Next is the dreaded F9 code. The main problem here is that it’s a very generic code which can point to a few different faults relating to pressure, circulation and diverter valve issues.

What does fault code F16 mean on glow worm?

1. Fault code F16 (Ci models) If the code F16 flashes up on your Glow-worm Ci model, this indicates a flame detection fault with your boiler. It could very well be that the boiler itself requires a service, and the probe needs cleaned or replaced.

What happens if there is no pilot light in the boiler?

Without a pilot light, the boiler won’t be able to provide central heating or domestic hot water. The pilot light is a small blue flame that lights a larger flame when there a call for central heating and how water – if it’s burning orange or yellow there could be a carbon monoxide leak.

Please note though, I’ve also seen this code when the boiler is not igniting due to no gas coming through the pilot assembly, The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead.

The Fix: Check the pilot assembly is clean and free flowing from the gas valve. If so, replace the flame detection probe and lead. 2. Fault code F9 Next is the dreaded F9 code. The main problem here is that it’s a very generic code which can point to a few different faults relating to pressure, circulation and diverter valve issues.

1. Fault code F16 (Ci models) If the code F16 flashes up on your Glow-worm Ci model, this indicates a flame detection fault with your boiler. It could very well be that the boiler itself requires a service, and the probe needs cleaned or replaced.

Without a pilot light, the boiler won’t be able to provide central heating or domestic hot water. The pilot light is a small blue flame that lights a larger flame when there a call for central heating and how water – if it’s burning orange or yellow there could be a carbon monoxide leak.

What are the problems with the glow worm boiler?

Top 6 Glow-worm Boiler Problems Glow-worm Boiler Problems Glow-worm Error / Fault Code Low water pressure 108 or F22 Flame detection fault F16 No heating or hot water 501 Frozen condensate pipe F1, F4, F28 or F29

Is the glow worm boiler part of Vaillant?

Glow-worm is part of the Vaillant Group, and the company has its own dedicated service engineers to cover both Glow-worm and Vaillant boilers. Parts are easily available and reasonably priced, and they are a popular option for many of my clients.

What does F4 mean on a glow worm boiler?

Codes F1 and F4 indicate an ignition fault, however F3 is a fan speed fault. However, if the fan does not come up to speed, you have an ignition fault, anyway. I’d recommend getting a multimeter out and checking your readings from the PCB to the fan. Also, check ignition leads and power from the PCB.

What is the fault code on a flexicom glow worm boiler?

Fault code F14 (Flexicom CX range) If you were to look at the service manual, you’d find this fault states there’s a defective gas valve. However, check there is power from the PCB to the gas valve. If not, it’s not the gas valve at all, but either the PCB or the wiring harness.

Codes F1 and F4 indicate an ignition fault, however F3 is a fan speed fault. However, if the fan does not come up to speed, you have an ignition fault, anyway. I’d recommend getting a multimeter out and checking your readings from the PCB to the fan. Also, check ignition leads and power from the PCB.

Fault code F14 (Flexicom CX range) If you were to look at the service manual, you’d find this fault states there’s a defective gas valve. However, check there is power from the PCB to the gas valve. If not, it’s not the gas valve at all, but either the PCB or the wiring harness.

Glow-worm is part of the Vaillant Group, and the company has its own dedicated service engineers to cover both Glow-worm and Vaillant boilers. Parts are easily available and reasonably priced, and they are a popular option for many of my clients.

What does F9 mean on a glow worm boiler?

Fault code F9 Next is the dreaded F9 code. The main problem here is that it’s a very generic code which can point to a few different faults relating to pressure, circulation and diverter valve issues. First, check your pump is running, then check all electrics from the circuit board. Is the boiler going through the correct sequence?

What should I do if my igniter is not working?

Many models have a battery in the igniter module. If your model is one of these, you’ll want to try changing the battery. Also, make sure the battery is installed correctly. If you have a brand new grill, make sure that you removed the protective plastic from the battery. Click here for information about battery powered igniters.

Fault code F9 Next is the dreaded F9 code. The main problem here is that it’s a very generic code which can point to a few different faults relating to pressure, circulation and diverter valve issues. First, check your pump is running, then check all electrics from the circuit board. Is the boiler going through the correct sequence?

How old is the glow worm ultimate boiler?

Recently moved and house has Glow worm ultimate boiler about 15 years old. It has a knob inside to control temperature with ‘min’ and ‘max. written … read more Hi we have a Glow Worm Ultimate Boiler, not sure if its an 70 FF or 80FF. It was working fine until early this morning, but now the pilot light has gone … read more

When does the pilot light go out on glow worm?

I have an Glow Worm Space Saver MK2 which has worked well for years. recently it will go off just after the main burner lights up. Restarting the pilot is eventually successful, normally at the second … read more

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Why is my Glow-Worm boiler not igniting?