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  1. plumb_know

    How do you approach fault finding??

    Hi Everyone, Still in my 1st year of being gas safe and went on a fault finding course as soon as i qualified but in all honesty it was a bit too much information to take in one go for me. so now i keep forgetting bits and getting confused. I was just wondering if you have a set procedure how...
  2. Inverness

    U7 fault code Worcester 37 cdi combi

    hi guys went to a breakdown today. No hot water and the numbers keep rising up to 97. I can't find fault code in manual?! I think it's something to do with the pump not circulating and over heating? Also I noticed when I was there the vertical flue runs in through the middle of the property into...
  3. A

    Potterton performa fan fault

    Hi everyone, I am going to look at a performa this evening. The customer called this morning, said its showing fan fault and he's 'narrowed it down to pcb or fan'. Sounds like he is going to be great, he has wired up loads of boilers apparently. What checks can I do to test the components...
  4. M

    Main combi eco30 pressure fault

    Good morning all, I have been having some issues intermitently with my own boiler, if left off sometimes over night the pressure gauge drops just below the .5 bar mark, the boiler then wont fire up. Commence the topping up via filling loop into green zone around 1 bar (cold) and once boiler...
  5. SavageW

    Baxi duo-tec 385 fault

    Got Baxi duo-tec 2 Combi 28 GA coming up with e385 fault. Couldn’t find this fault code on the list,had no phone signal to ring Baxi so going to ring them tomorrow. From what I’ve searched online says low voltage less than 195Vac but def had 240,just wondering if anyone’s come across this...
  6. S

    Fault with boiler, pump or controller?

    Hi, Please can someone help identify if there is a problem with my heating system. A few days ago it seemed the boiler was trying to light despite no demand for heating or hot water for an hour. The display indicated ‘C’ and the burner light was blinking. This morning, there was no display on...
    • SG0001
    • Thread
    • boiler fault pump
    • Replies: 9
    • Forum: Boilers
  7. A

    F1 fault on Ideal LogicAL COMBI 24

    Hello nation, hope you have good evening. Have boiler`s fault F-1, but presure on the gauge over 1 bar. Tried to drain water from boiler to check for any dirties. When I was draining water I detective black fragments, so I rinsed the boiler`s system. When I refilled boiler and tried to launch...
  8. Tommo25

    Beast from the east!! :@ Viessmann F4 fault

    Viessmann Vitodens 100, won’t ignite, Checked flue - clear Condense - ok Power at gas valve Fan starts Electrode sparks Still not igniting gas in the burner? Can anyone advise ? Was thinking maybe condense froze and water backed up and broke electrode but it sparked across fine. Going...
  9. A

    Remeha avanta e10 fault

    Mate of mine has just text. I cant get there because im busy but their remeha avanta plus 24c is giving e10 code. Started off e5. Condense was frozen. They have bled rads said I will get up tonight is anyone familiar with whats happening? Thanks
  10. Y

    Vaillant ecoTEC plus 837 R1 with persisting F75 fault

    Can someone help diagnose Vaillant ecoTEC plus 837 with persisting F75 fault please? We already replaced the pressure sensor, installed F75 kit, replaced the main heat exchanger, and the pump, and the PCB, and flushed the system and installed a filter on the return, but still sometimes we get...
  11. M

    Alpha cb24 fan fault or blocked flue

    Hi all. I just want confirmation on my diagnosis of a cb24 fault. Basically pump runs but fan doesn't and no 240v at fan terminals on fan or pcb. So it's a PCB fault? Lights flashing simultaneously which is a flue fault. Alpha technical not answering, only taking messages. Thanks
  12. N

    Ideal Logic gas valve fault

    Hi guys came across a strange one today and was wondering if anyone could shed some light cheers. Had a report of noise coming from boiler. Arrived on site and found when gas valve modulated to minimum rate it the diaphragm would vibrate and sounded like the titanic was arriving through the...
  13. L

    Vaillant Ecotec F32 Fan Fault

    I have Vaillant ecotec 838 with F32 fault. I have had the fan and PCB changed but still get the fault. When the fault comes up the fan is still running!! Any ideas?
  14. T

    Intermittent Boiler Fault

    Boiler Model: Saunier Duval Enviroplus F24e combi Problem: •boiler does not ignite in the morning and requires multiple resets to get it going •once boiler starts it seems to be working fine •boiler fails to ignite after longer periods of no use Hi, We moved in to a new house around 7 months...
  15. phil hair

    potterton powermax he a27 fault

    got called to a potterton powermax he a27 fault.(dry fire) phoned technical, said was a circulation problem. the pump was turning, water coming out of the bleed valve above burner, could it be the diverter valve is jammed? thanks...........phil
  16. G

    Baxi duotec 24 lpg fault E130

    hi all I have an intermittent fault with a Baxi duotec 24kw combi, fault code E130 (flue NTC sensor) I have replace this sensor after doing an resistance check on it (it checked out fine but changed it anyway) and also doing an resistance check on the ch NTC sensor (this too was fine) I’ve just...
  17. S

    Worcester cdi EA fault

    Hi guys Does the worcester cdi have an internal bypass? Long story short ive done some ufh on a worcester cdi not a big system 7 rads and ive added a 10m2 conservatory pack. Both zone valves ( for ufh and radiators ) have been left locked open untill spark goes back. Just over a week later...
  18. P

    Worcester Boiler Pump fault can cause faults with PCB?

    Hi all, hoping someone can help me, I have a Worcester boiler, I’m not sure which model but its gone faulty, I’ve had this issue a few times but only after the boiler has been turned off. In the past -once switched back on, it has seemed to sort itself out within a few days and then works fine...
    • Paulsea
    • Thread
    • boiler fault pump worcester
    • Replies: 2
    • Forum: Boilers
  19. K

    Alpha intec 28x fault code e96

    Hi guys, Could anyone shine a light on this fault, not listed in the MIs? Many thanks Kev
  20. M

    Boiler fault finding book

    Any one got any recommendations, for a boiler fault finding book for a newly qualified gas engineer wanting to learn more about boiler break downs. Thanks.
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