Mend > Home Heating Systems

how can I fix my boiler it has a F4 code?

Boiler lights up but shuts down within a couple of seconds showing F4 please help

potterton prima 50f is banging not all the time , like a train bang bang ?

how do i stop it banging , it started three weeks ago and i fitted a new seal on the main cover , went ok for ... [Read more]

3

My Worcester greenstarHE shows red light flashing and FO code & doesnt fire?

Just returned from a holiday and found CH doesnt work. Red light next to the triangle flashes and FO code flas... [Read more]

how can i fix my baxi combi 105e?

my baxi combi 105e has a flashing red light indicating fault on fan or flue no hot water or heat how can i fix... [Read more]

9

how do i know how much pressure to put in the pressure vessel?

Hi once again the ongoing saga of my ravenheat csi 85 t boiler. I had a leak coming from the pressure relea... [Read more]

pilot will not light?

worcester 24i turn on hot water tap,s no ignition on pilot light, turn on central heating no pilot light but p... [Read more]

1

Danesmoor 15/19 oil boiler sooting up?

My oil boiler is sooting up, i have a adjusting screw marked P(pressure) do i need to turn the screw to + or t... [Read more]

combi 80eco boiler faults?

when dhw selected only , heating fires up , new pcb board fitted , i suspect either on , off , reset switch fa... [Read more]

2

Siemens RDH10-RF Wireless sensitivity issue?

the thermostat seems to take a long time to follow the air temperature and also if yo set it to 20 Degrees it ... [Read more]

fix hot warter?

with hot tap turned on boiler fires up then goes on and off. Baxi Combi Instant 105e.

how can i fix my maxi slimline boiler?

the boiler wont fire up and the first 2 red lights come on what fault codes do these lights correspond to

Dimplex XT12 series E storage heater?

Regardless of the thermostat setting, the heater becomes too hot to touch on an overnight charge. Having take... [Read more]

main combi boiler, loud bang then smell of burning?

was running hot water, then suddenly heard a bang noise from bolier then smelt gunpowder/burnt smell, anyone k... [Read more]

2

How do you repressurise system?

How do you repressurise system

baxi duo tec 28 boiler?

my boiler is making whistling sound was told my filters need changing or cleaning any suggestings thanks

F1 and F4 error on Glow worm 30ci combi boiler?

My glow worm 30 ci combi has been regularly shutting down overnight and showing F1 in the LCD display. I can g... [Read more]

how can i fix my vokera 28e maxin?

trips out when both central heating and hot water are no set pattern

ferolli combi boiler?

heating in radiators ok but hot water gets hot for aboua minute then goes cold and stays cold

How can i stop my honeywell cm41 thermostat from flashing?

I have replaced the batteries in my thermostat and teh battery light above the time contiinuously flashes. Any... [Read more]

Vokera Synergy 25E Boiler?

Fault code D1 showing - what does this mean?