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 F25 mean on a Glow Worm Boiler?
Flexicom HX Range
| Fault Code | Possible Cause |
|---|---|
| F14 | Gas valve control defective |
| F15 | E-bus voltage failure |
| F22 | Low water pressure or ignition temperature rise too slow |
| F25 | Circulation fault |
How do I fix the F25 on my boiler?
How to Fix a Vaillant F25 error. If the issue is down to a blockage or airlock then the system and boiler should be bled and may need to be flushed. If the problem has been caused by a faulty part, then an engineer will be able to diagnose this issue and either clean or replace the part in question.
What does F25 mean on my Vaillant boiler?
Vaillant F.
25 error is a safety shut-off function. In this case the flue gas temperature is too high. Error Cause. The Ecotec Plus boilers have a flue gas temperature limiter known as STB.
How do you fix the ignition fault on a Glow Worm Boiler?
Quote from the video:
Quote from Youtube video: Press the reset button below the display.
What is a F25 error code?
The F25 error is a problem with the washer motor’s tachometer. It means the main control cannot determine the spin speed of the motor. This error can be caused by the motor, the motor control board, the main control board, or a wiring issue between all.
How do I fix my f75 problem?
Quote from the video:
Quote from Youtube video: Here is the reset button you must hold this in for one. Two three seconds and then release once you've released the boiler will reboot.
What does F22 mean on a glow worm boiler?
low pressure
The F22 error code signifies low pressure. If this has recently come onto the display and your boiler is losing pressure, there’s a good chance you have a leak. Otherwise, there’s likely to be an air lock in the system.
How do you bleed a glow worm boiler?
Quote from the video:
Quote from Youtube video: So I'm going to slowly turn on the last left valve. And slowly turn on the right valve. Viewing the pressure increase when it gets to the desired.
What is fault code F22 on a Vaillant boiler?
A F22 error code is a common problem, and means that the water pressure on your boiler has fallen, and that it needs to be increased before the system will run again.
How do you reset a glow worm?
Quote from the video:
Quote from Youtube video: So this is just a quick little video on how to reset a glowworm what you're going to do is just hold down the power button. Until you see this weird little symbol. Then you're going to let go.
What does F14 mean on my Glow Worm Boiler?
Fault code of F14, says the boiler’s Central Heating temperature on flow exceeds 95 degrees C, due to either a system fault, possible pump failure, or the thermistor needs to be checked on flow.
What does F3 mean on a Glow Worm Boiler?
An F3 code on a Glow Worm Boiler is ‘fan unable to reach ignition speed‘. If you are getting the F3 code on your Glow Worm Boiler then, it could be the case that the fan is running but not at full speed. This can happen when there is a fault with mechanical side of the boiler or a temperamental loose wire.
How do I fix the F3 error on my boiler?
F3 is an issue regarding the boiler fan, a potential loose or damaged fan could be related to problems within connections, air pressure or water damage. This error will need to be resolved by a gas safe engineer.
What does f03 mean on the boiler?
F3: Fault with fan
This fault is caused by a loose or damaged fan. This issue could be related to deeper problems such as loose or damaged connections, water damage from a boiler leak, a fault with the air pressure switch or a problem with the printed circuit board.
What does F3 mean on a morco boiler?
If there is low pressure in the sealed heating circuit then the gauge will show 0.7bar or below and the display will show F3.
What does F2 on a boiler mean?
F2 (sometimes shown as FN or LN) means the boiler has lost its flame so the boiler was working fine firing away and all of a sudden the flame has cutout. this can be for a number of reasons. The boiler has lost its gas supply. check that the gas is still on at other gas appliances.
What does L2 mean on a morco boiler?
Ignition lock out
FAULT CODE L2 – (Ignition lock out)
How do I decrease the pressure in my boiler?
Thankfully, lowering your boiler pressure is fairly straightforward. You’ll just need to bleed your radiators. This reduces the pressure in your central heating system, which consequently lowers your boiler pressure.
How do I lower the pressure in my glow worm boiler?
The most common way of resolving this is to drain water from the radiators. Open the valve, using a radiator key, until the water pressure reading on your boiler drops to around 1.3 bar. When you open the valve, you’ll hear the air escaping, and then the water will start to drain.
Is 2.5 bar too high for a boiler?
Your boiler should be running between the 1 bar and the 1.5 bar, which will be in the green section of the boiler pressure gauge. If the bar is hitting over 2.5 bars, then the pressure from the water in the system is too high, and anything below 1 bar is too low.
