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alpha

  1. L

    Alpha HECB25 Intermittent Fault

    Hi there I was hoping to get some advice about my boiler, Occasionally when the CH tries to come on or I run the hot water the boiler will start the fan and then the red 'A' light will be flashing and the yellow B light will stay out. The fan will run for about a minute then it remains off...
  2. N

    Alpha CB24x intermittently switching off, flashing red A light, requiring resetting.

    Hi Our 10 year old Alpha CB 24x boiler, which has worked fine so far !! started tripping off in October. Following instructions, we reset, then called our original installers to service the boiler - explaining the issue... After 4 visits by 3 engineers (long story...), whilst we had a service...
  3. M

    alpha he cb25 no power no lights

    hi hope someone can help me. my bolier alpha he cb25 has stopped working. no hot water no heating. there are no lights at all. its as if its no power just dead. followed trouble shooting in manual leads to replace pcb???? checked all fuses all fine any help would be great to close to christmas
  4. U

    alpha he cb 25 no power or lights

    hi hope someone can help me. my bolier alpha he cb25 has stopped working. no hot water no heating. there are no lights at all. its as if its no power just dead. followed trouble shooting in manual leads to replace pcb???? any help would be great to close to christmas
  5. D

    Puzzled by a breakdown- Alpha CD35C

    Hello all. i was called out to an Alpha CD35C. Boiler was completely dead when I arrived. The job sheet said 'boiler not resetting' The 2 Amp fast blow fuse had gone, I replaced the fuse. The boiler ran however the PCB was actually smoking! I made some other checks and observations then...
  6. hammers4spanner

    Alpha cb 50

    Got three leaks on this boiler all around the flow valve and pipe coming out the boiler looks a right headache as well . Not sure its worth the hassle of repairing anyone with experience of alphas opinions would be welcome.
  7. W

    Alpha cb28x red led burner light failure

    Hi can someone give me some advice please, I've got 5-6 year old alpha cb28x. I've sent the pcb away recently as the fan was failing to start and came back repaired and worked fine. but now keep getting a solid red led, failed to light, I've got 230v from the gas valve terminals but the valve is...
  8. A

    Alpha intec 28x boiler, Heating not working, hot water OK

    Hi We have an alpha intec 28x boiler with remote thermostat. The thermostat is showing the heating is on but the display on the boiler says it not. Its very intermittent though, The boiler will click like the heating is about to come on but nothing happens, sometimes it will stay on for a...
    • Avinitlarge
    • Thread
    • alpha boiler heating hot water water
    • Replies: 1
    • Forum: Boiler Advice Forum
  9. S

    Alpha Remote Thermostat

    Hi I have an alpha intec 28x boiler with remote thermostat. The thermostat is now showjng an error 90c4 08 and will not link wirelessly to the.boiler so i am manually having to turn the heating on. Need help asap
  10. M

    alpha he cb25

    Just after a bit of technical advice on the alpha cb25. one of my customers contacted with a boiler fault, the same fault is happening on both heating and hot water. when there is a demand on the heating side the boiler kicks in, fan and pump both seem to run fine, boiler then fires up for 1 or...
  11. B

    Alpha cb 24 x

    Come across this today it's the bottom connection on the diverter is it in 2 parts. And what are they like to do
  12. A

    Alpha 240p first no HW now nothing. Parts changed.

    Hi guys I got asked to go and have a look at a job yesterday for the above boiler. At first they had no HW so someone went and put in a new plate heat exchanger. Still didn't work, someone went and changed diverter valve (i think). Still didn't work, they ordered a PCB and lucky me got told...
  13. S

    Alpha Intec 34C vs Intec2 35CE

    Hi, I have just ordered the 34C to use with the flowsmart system but now see that the new Intec2 35CE model has been released and claims marginal improvements in efficiency and heat up time. I have not yet received the boiler and will have my 14 day cooling off period when I do. Do you think it...
  14. G

    Alpha CB25 mystery of the vanishing hot water flow

    Hi chaps, would appreciate anyone could help me solve this, because this boiler is doing my head in. Alpha (piece of £$%&) CB25 combi. I've replaced the plate heat exchanger 3 weeks ago. Since then the hot water pressure has gradually reduced to a mere trickle. So you would think a block in the...
  15. C

    Alpha cb28 boiler issues

    Hi, over the past few weeks I have been having issues with a 1 second flashing b light and that turns to a red a light coming on, i need to turn power off and on constantly just to get hot water for a shower, looking online it says it's the temperature sensor but people have said there could be...
  16. S

    Alpha 240P - Hot Water Intermittent Fault

    Hi, I’ve had along running problem that re-occurs with Hot water on my alpha 240p.Basically turn tap on, boiler flue neon flickers/clicking, burners trying to fire up and fan increasing speed then cutting out, try's again. Sometimes it will fire up ok or eventually, other times you have to...
    • slyfox
    • Thread
    • alpha fault hot water water
    • Replies: 5
    • Forum: Bathroom Advice
  17. V

    Alpha Boiler CB28 fault advice please?

    My Alpha CB28 has an intermittent fault since last year. Fire it up and it'll run for anything between 10 mins and over an hour then I get a permanent A light and the one second flashing B light. The boiler gets very little use so sometimes it's OK for an hour or so sometimes not. I just power...
  18. T

    Alpha CB 28 headscratcher... any advice chaps?

    ok, so I went to a job last week, custard had just bought the house, unluckily for them it had an Alpha CB28 in it. She said it kept cutting out (heating, dhw was fine)so she would have to reset and then it would work again. I told her to try it on DHW only mode until I could get there late...
  19. V

    Alpha CB28 problem. Can anyone advise please?

    I have a boiler problem that I was hoping someone here could shed some light on. We've currently got no heating or hot water coming from our Alpha CB28 boiler. Both the red 'A' light and green 'B' light are flashing every second. I can reset the boiler and the green light flashes as normal...
  20. L

    Alpha cd25x

    Can anyone help me I went to a alpha cd25x my gas safe number 567750 d was solid pump came on no fan then b started flashing with d still solid any suggestions thanks leon

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