boiler fault

  1. R

    Potterton promax ultra 33erp not responding to thermostat

    Hi sorry if this has been asked before but does anyone know if its safe to use the de-aeration function of my boiler a few times to temporarily heat my system. I'm waiting on a second technician visit tomorrow as one who visited didn't have experience with Myson thermostats. My boiler works...
  2. F

    Hot water but no heating

    Hi all, I have a ideal icos boiler, 10 years old but new computer 18 months ago. Al been working fine. This morning I discovered I had hot water but no heating. Have checked thermostat is high enough and timer correctly set. Green light is reading 0 so no error messages and c when hot water is...
  3. P

    Boiler Issues - not sure what's wrong and charges for fixing it

    On Thursday evening I heard a dripping noise around the boiler that I eventually sourced to the acetal tundish. I have left the boiler off since that time as a precaution. I looked up a plumber website online and a guy came over on Saturday. He did a quick visual check and no more and stated...
  4. M

    Boiler losing pressure

    We have a combi boiler which is losing pressure. If I top it up to 1.5 bar, within 7 to 10 days it drops to 0.75 bar. The prv is not letting by as that has recently been changed, along with the aav aswell. It has also had a new heat exchanger. The pressure drops even if the boiler is only set to...
  5. K

    Worcester greenstar r1 intermittent firing

    Hoping someone can help me solve an ongoing mystery of why my boiler sometimes fires up and sometimes doesn't... Worcester greenstar r1 boiler with an towerchron qe2 timer..it used to work fine, and respond reliably to the programmer but now only sometimes....why???!!! Having read various...
  6. M

    Drayton Digistat SCR receiver not working

    Hi guys, I've got a Drayton Digistat SCR that's stopped working, meaning I can't turn my heating on. The transmitter (a 2RF) is fine and it has new batteries. The fault seems to lie with the receiver, which has no lights coming on at all. After a bit of searching online, I've tried turning the...
  7. ep90

    Grant Vortex 36kw - Needs rebooting daily

    We've got a 10 year old Grant Vortex (outdoor, 36kw oil fired) has developed a odd problem. If you turn it off and on, it works fine (mostly, the hot water temperature is a bit inconsistent) but if you leave it for a long time it stops working. No CH or DHW. There are no warning lights on...
  8. Eyeswatchin

    Heatline Vizo - No hot water...

    Hello, I have a Heatline Vizo 24 or 28 which has just had the fan replaced but now there is no hot water. The sensor and then the actuator motor were subsequently replaced but that didn't resolve the issue. So the CH works fine. When hot water is requested it begins to produce it but then the...
  9. F

    Ideal mini c28 - Intermittent fault, now noisy also.

    Hi everyone. We have an Ideal C28 mini combi in our house, but it's not been right since we moved in. Using DHW alone, it has been tripping/locking itself out, and the tap water was never really hot. During winter though, we've got by quite well as we found if the heating was on high, the...
  10. Micky28

    Ideal Minimiser SE Boiler Problems - Help?

    I am having a problem with my boiler, an Ideal Minimiser SE. The boiler fires up and the burner light switches on, but after x amount of time (sometimes immediately, sometimes after like 10 minutes) the burner switches off, the water pump however is still going. It does this before the house...
  11. R

    Sime super 90 internal fuse blown

    Can anyone help, For some time their has been a noise like solenoid chatter when the heating is first turned on. Yesterday no heating when got up, made various checks and found an internal 1.6 fuse had blown. I replaced that and it fired up, with the chatter noise coming from the 24v input on...
  12. H

    Baxi HE133 Boiler Fault Finding Help Please

    Hi, I have a fault on my boiler which is causing the Divert valve to continuously motor open/close with consequential impact on the CH and cycling hot/cold water when DHW demanded. I have found 240v is permanently on the CLOSE terminal on the divert valve, when CH is demanded 240v is applied...
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