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Heating controller/programmer issues

  • 07-08-2019 12:56pm
    #1
    [Deleted User]
    Posts: 0 ✭


    Hi
    I have 3 controllers that control the boiler a heatline compact s20 in my house they control:
    Upstairs
    Downstairs
    And hot water

    I can only turn on and off my boiler through the main power switch above the programmers..once i flick the switch and red light comes on, then the boiler starts but i cant stop the boiler from any of the controllers/programmers..i have to turn off power switch again..6 months ago i got a new pcb installed and not sure if this has anything to do with it..
    Can’t understand how all 3 programmers/controllers dont work
    Also someone mentioned that it maybe a motorised value issue?
    Also can i ask is it good for my boiler to cut power to it abruptly as it doesnt go through it normal shut down when i turn off power switch
    Id appreciate any tips on what may be the problem
    Ill attach a pic of the controllers
    Thanks


Comments

  • #2
    youtheman
    Registered Users, Registered Users 2 Posts: 1,311 ✭✭✭youtheman


    Have you three separate thermostats?. Also, if you have motorised valves have you tried manually opening and closing them (normally they are wired such that the open limit switch activates the boiler, all three being wired in parallel such that any one valve being open is enough to turn the boiler on). If one (or more) of the switches was stuck open then this would be enough to call your boiler for heat 100% of the time.


  • #3
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    I have 2 separate thermostats..up and down stairs..i have an engineer due to call on friday and he mentioned it could be a motorised value issue.ill...i just wanted to make sure he was someway correct..from your reply i think it is possible that its a motorised value issue..thanks for reply


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