How to mend ... Boiler Locks Out

Change diaphragm on Vaillant boiler valve?

I have got a Vaillant boiler model no VUW 242 EH and need to change the diaphragm on the diverter valve. Is it... [Read more]

28i Junior Low Water Pressure Switch?

Hi, Have got a lockout problem with my Worcester 28i Junior. Does not like to start if it has not been run ... [Read more]

my grant mk11 combi boiler starts to fire but then locks out?

my grant 90 mk11 oil fired boiler attempts to fire there is an initial response and then ignition fails. There... [Read more]

how to fix a firebird enviromax combi PCB C20?

I think water may of got into the system. The tank ran completely out and i noticed as i was bleeding it that ... [Read more]

Lack of burner ?

Lack of burner ignition boiler runs a small flam then restarts 3 times then locks out to two flashing lights ... [Read more]

boiler locks out after running for approx 10 mins?

i checked a boiler for a friend, it fired up, run for approx 10 mins then locks out & the pilot light goes out... [Read more]

Worcester 28i Lockout?

I am an electrical engineer but have only minimum knowledge with boilers. When the boiler is asked for HW no p... [Read more]

potterton 80 combi boiler ?

boiler fires up works fine four 20min to30min then locks out

F1 and F5 appears on display?

Boiler fires up but as soon as the gas ignites it goes out then spark switches on, gas ignites and then goes o... [Read more]

how do i fix vaillant turbomax 242ie?

fan proving light does not come on and boiler locks out after a few seconds. new fan fitted; new air pressure... [Read more]

the boiler keeps locking out can anyone help? thanks?

i have a eurostar 100/125does go but then locks out after a few mins i put new nozzle on the old one was dirty... [Read more]

boiler locks out?

i have a halstead finest gold boiler, clock doesnt work so i turn boiler off ,on by the fused spur. boiler goe... [Read more]

orange light?

orange light on boiler will not fire up if left for a while sometimes goes back to green and works fine f... [Read more]

glow worm micron 50 ff?

my boiler takes three times through cycle before lighting when cold some times locks out once lit it is fine

how can i fix my boiler?

my sime format 30 he boiler locks out after 1 minute and red light comes on then when resetting it wont reset ... [Read more]

My Worcester heatslave 12 14 boiler keeps locking out. ?

My Worcester heatslave 12 14 boiler keeps locking out. We have pressed the lock out button and it will then he... [Read more]

Avanta plus 24?

when i turn on my heating the boiler goes through its cycle, then the boiler fires up then after 6 seconds loc... [Read more]

baxi combi 105h locks out when reaching temperature have to reset it ?

when temperature is reached the boiler locks out having to reset the boiler will not reignite till i switch ho... [Read more]

chaffoteaux maury elexia comfort 24ff, intermitant fault?

When calling for hot water or heating the boiler goes through the ignition process,then locks out without igni... [Read more]

minor 1 burner locks out?

5 year old minor 1 oil burner locks out after 5mins of combustion.Engineer purged oil line,adjusted pressure c... [Read more]