how can i fix my vaillant boiler its flashing F 22 then bar 0.4 . my house ?

My vaillant boiler is flashing F22 and bar 0.4 I've got no heating and no hot water can any one help me pls . Thanks

Valiant thermostat , BMU-Err ?

Vaillant thermostat and boiler with the error message on thermostat What do I do?

done

Vaillant Turbomax 828e combi boiler?

Do I turn the filling valve to increase the pressure, clockwise or anticlockwise? The filling valve key is absolutely tight - unable to turn at all. Any suggestion please. Thank you.

No hot water, intermittent when air temp drops?

My vaillant turbomax 282e has an intermittent fault on the hot water side. On demand the sequence commences correctly but when it gets to the flame heat sensor final stage the boiler locks out with th ... more

done

Vaillant atmoMAG 14l water heater cuts out?

the heater cuts out after 3/4 mins whilst showering, pressure said to be low in my area,so set to lowest on heater,gas setting middle of range. please advise on optimal settings.I have a thermostatic ... more

Vaillant Thermocompact Fault?

My 10 y.old Thermocompact 624e is refusing to start. I keep getting code F 1 on display, then it tries to start and then F 1 again, sometimes I get F24. On very odd occasions it has managed to start b ... more

done

Bmu error?

Vaillant ecotec plus heating system displaying bmu error, tried the fix using taps to increase pressure however no joy....any ideas?

Why is heating on at night?

Although aour Vaillant boiler is set on timer for mornign and evening the heating comes on through the night and reading the instruction booklet we cannot see why this is. However cold this does not ... more

done

my boiler will no work?

MY VAILLANT TURBOmax VUW242/1E has its power light on but I can not get hot water or central heating to work.

done

Vaillant ecotec plus 630?

Hi. I have a vaillant ecotec plus 630. I get the F.22 error message atleast once a month this year, which means that I have to keep topping it up with fresh water from the valve. Last year this neve ... more

done

How do i reset my dryfus combi boiler timer?

I do not have an instruction manual for my timer. It is currently showing a day ahead. i.e. Today is Wednesday, the timer is showing Thursday. I cannot get the timer to go back one day. The programme ... more

Vaillant Ecotech Plus 831 F22 fault?

I've been having problems for 3 weeks now, and on the 3rd plumber, and still not fixed. First had F75 fault after coming back from holiday. I repressurised and reignited and got hot water back. Then ... more

done

resetting thermostatat?

How do you reset a sunvic 222-6001 RFPV thermostat after replacing batteries? our boiler is a eco TEC pro vuw vaillant?

done

no heating water?

no work the hot water apear sf 6 to vaillant boiler eco pro 24 when push minus and pus appear sf 6 or d0

done

Open vent vailant 415 F22 error?

Hi. I have vaillant 415 open vent boiler. I do get an error f22. I did tryed to bleed all radiators, cheched pump and works fine, runned P0 to get air from system not sure what else I could do before ... more

Vaillant 630 error f 85?

How to fix Vaillant error f 85 ?

done

Open vent vailant 415 F22 error?

Hi. I have vaillant 415 open vent boiler. I do get an error f22. I did tryed to bleed all radiators, cheched pump and works fine, runned P0 to get air from system not sure what else I could do before ... more

How many factors causes f22 fault?

my vaillant turbomax plus 824e boiler jump out f22 fault code a lot times.but the water pressure stay on 1.5 bar all time. Why?

done

Hot water supply?

Vaillant 828 Eco Max. Boiler. When running hot water for a bath or to fill the sink the water goes from hot to cool and eventually back to hot. Why ?

done

vaillant vcw gb 282gh?

works ok for centralheating won't fire up for hot water, all fuses ok reset button in. thinking maybe something to do with diverter valve switch

done