Hi mate, iv tryed the lock out button but when you push the button it stops, what is the overheat thermostat, yes i think its something simple, thanks for the reply.
Hi terry, the replacement fuse is ok because the red light, i think its power light is on & the pump works, but burner won't fire up, as for the pcb fuse it looks intact, thanks for replying.
Hi i got a worcester heatslave oil boiler, xmas evening the fuse went in the plug so i changed the fuse, now it won't even fire up, has anybody got any ideas, thanks.