Recent content by Joe_MCSE

  1. J

    Puma 80e Hissing? Bubbling? Boiling?

    Hi Guys, Many thanks for all your help. I did try to resolder the R1 and R2 resisters but the erratic cycling of the boiler continued. As a couple of the relays were slightly burt I bit the bullet and purchased a new PCB. Installed without difficulty and has been great since. Once again...
  2. J

    Puma 80e Hissing? Bubbling? Boiling?

    Hi All, Thanks guys for getting back, if i can add this one for all. I do have drayton TRV's on all but two rads (furthest away, foye) for safety. I will try the shut all down method to get the balance right. Just to add also on my symptoms, after the boiler doing the off/on cycle for...
  3. J

    Puma 80e Hissing? Bubbling? Boiling?

    Sorry Kev, you have me at a loss!!
  4. J

    Puma 80e Hissing? Bubbling? Boiling?

    Hi Chris, Also looking at the PCB I noticed the R1 resister is scorching the board. Can I just resolder?
  5. J

    Puma 80e Hissing? Bubbling? Boiling?

    Hi Chris, Thanks for that. This was replaced last year with a 'not a potterton part, but does the same job' (plumbers words) air vent. It is totaly enclosed with a black plastic screw. This has been loose all the time. I loosened its compression nut and hot water flowed out. Should this...
  6. J

    Puma 80e Hissing? Bubbling? Boiling?

    Hi All, After changing the bypass valve due to leaking, the boiler is having weird noises and activities. Here are the circle of events: Problem 1. CH kicks in, pumps comes on, burner fires up. 2. After about 1min hissing/small bubbling noises come from the heat exchanger then approx 10secs...
Back
Top