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immergas hercules condensing boiler fault26

  • 15-06-2015 11:59AM
    #1
    pico24
    Registered Users, Registered Users 2 Posts: 21 ✭


    hi i have a constant fault 26 on my immergas hercules condensing boiler
    it means 'no water safety switch closed and pump not working'
    it wil work when i power boiler completely off and on again but when it reaches set point/temp it knocks off as it should but then fault26 flashes and only way to start again is power off &on.
    The way it should work is when i turn dial for hot water a relay sends a signal to a motor which opens a valve to the tank and a circulator pump comes on (this happens simultaneously) there are 2 pipes coming from inlet & outlet of pump to a plunger - so when pump turns on the pressure difference extends the plunger to a microswitch which i presume tells system its good to ignite.
    As i have said everything works when powered off and on - pump & valve, but when temp is reached the plunger retracts and fault appears
    i think its probably something on the pcb but would like to be sure
    any ideas appreciated
    thanks


Comments

  • #2
    Egass13
    Registered Users, Registered Users 2 Posts: 1,056 ✭✭✭Egass13


    pico24 wrote: »
    hi i have a constant fault 26 on my immergas hercules condensing boiler
    it means 'no water safety switch closed and pump not working'
    it wil work when i power boiler completely off and on again but when it reaches set point/temp it knocks off as it should but then fault26 flashes and only way to start again is power off &on.
    The way it should work is when i turn dial for hot water a relay sends a signal to a motor which opens a valve to the tank and a circulator pump comes on (this happens simultaneously) there are 2 pipes coming from inlet & outlet of pump to a plunger - so when pump turns on the pressure difference extends the plunger to a microswitch which i presume tells system its good to ignite.
    As i have said everything works when powered off and on - pump & valve, but when temp is reached the plunger retracts and fault appears
    i think its probably something on the pcb but would like to be sure
    any ideas appreciated
    thanks

    No advice can be given out here other than you need an rgi. If you post your area somebody might be able to recommend one for you. Alternatively call RVR, based in limerick if I remember correctly. They are the agents for immergas.


  • #3
    wilser
    Registered Users, Registered Users 2 Posts: 1,116 ✭✭✭wilser


    Egass13 wrote: »
    No advice can be given out here other than you need an rgi. If you post your area somebody might be able to recommend one for you. Alternatively call RVR, based in limerick if I remember correctly. They are the agents for immergas.

    Was just about to post about RVR but I thought they where in Kerry/Killarney territory


  • #4
    jimf
    Registered Users, Registered Users 2 Posts: 4,052 ✭✭✭jimf


    think there in kenmare


  • #5
    Egass13
    Registered Users, Registered Users 2 Posts: 1,056 ✭✭✭Egass13


    Ah right, don't know why I thought limerick tbh!


  • #6
    Dtp1979
    Registered Users, Registered Users 2, Paid Member Posts: 12,948 ✭✭✭✭Dtp1979


    Egass13 wrote: »
    Ah right, don't know why I thought limerick tbh!

    Potato patato


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  • #7
    pico24
    Registered Users, Registered Users 2 Posts: 21 ✭pico24


    thanks guys, i figured it out, microswitch is stuck closed, bloody thing is hardwired so will have to look at rvr for replacement or might cut wires and solder on another one


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