Vaillant another 5kw compressor blocked fault
Got an issue with our heat pump keeps throwing up compressor blocked on the interface, this is the 3rd time it’s done it now in the past few days, water pressure is showing 1.2 bar, cleaned strainer out although that wasn’t too bad anyway and magnetic filter also cleaned. reset and then fired up ok last night. woke up this morning with no heating and dhw cycle hasn’t run either and showing the same issue, any ideas?
we had this when it was first installed too but then haven’t had since, this was jan/feb time, only thing I can think of is we have only been using dhw and not heating circuits since then
Posted by: @davep92Got an issue with our heat pump keeps throwing up compressor blocked on the interface, this is the 3rd time it’s done it now in the past few days, water pressure is showing 1.2 bar, cleaned strainer out although that wasn’t too bad anyway and magnetic filter also cleaned. reset and then fired up ok last night. woke up this morning with no heating and dhw cycle hasn’t run either and showing the same issue, any ideas?
we had this when it was first installed too but then haven’t had since, this was jan/feb time, only thing I can think of is we have only been using dhw and not heating circuits since then
What does the manual say about this alarm and its likely cause?
Refrigerant gas goes through the compressor, not water, so I don't really see how the compressor could be 'blocked', unless it is poorly written English and 'blocked' means prevented from running.
- 21 Forums
- 1,989 Topics
- 43.4 K Posts
- 28 Online
- 2,311 Members
Join Us!
Heat Pump Dramas?
Thinking about installing a heat pump but unsure where to start? Already have one but it’s not performing as expected? Or are you locked in a frustrating dispute with an installer or manufacturer? We’re here to help.
✅ Pre-Installation Planning
✅ Post-Installation Troubleshooting
✅ Performance Optimisation
✅ Complaint Support (Manufacturer & Installer)
Latest Posts
-
RE: Can I add an EV charger to a full consumer unit by coupling with a garage DB?
Since I had dug a trench for the heat pump only for Oct...
By Jancold , 24 minutes ago
-
RE: (How) does your heat pump control its water pump?
@jamespa Heat pump as per my footer, it has an optio...
By bontwoody , 1 hour ago
-
RE: Plug and play solar. Thoughts?
I agree with @robl that the G98 testing regime stipula...
By Transparent , 2 hours ago
-
Low Loss Headers and Buffer tanks - Your experiences wanted
Im in the process of writing up a piece highlighting th...
By JamesPa , 5 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
@jancold I received an acknowledgement too. Toodles.
By Toodles , 5 hours ago
-
RE: Are MCS are finally improving (some of) their guidelines?
This should be a step in the right direction. One of th...
By Mars , 15 hours ago
-
As We Head Into Spring and Summer… What’s Your Favourite Energy-Saving Tip?
With warmer weather on the horizon, our heat pumps will...
By Mars , 16 hours ago
-
Sorry for the delay in replying. We are now able to acc...
By Simon and Zoe , 18 hours ago
-
RE: In the middle of an ASHP installation - a few questions (and issues)
@editor sure. The 12kW Clivet.
By benson , 23 hours ago
-
RE: Database of heat pump performance data?
I cant agree more. You need a heat pump that is ri...
By JamesPa , 1 day ago
-
RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
Update for those following this thread.Finally got the ...
By BAMi , 1 day ago
-
Dont worry about this. Long story and discussion but d...
By JamesPa , 1 day ago
-
@eliuccio I was wondering how things are going with t...
By JamesPa , 1 day ago
-
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
No not auto adapt running hotter at cheaper times coole...
By Gary , 2 days ago
-
RE: Ecodan Auto Adapt Questions
Hi @richard24738 we weren’t happy with our FTC Contr...
By SUNandAIR , 2 days ago
-
RE: To relocate or add extra PV panels..advice required
You can't forecast the annual generation by simple extr...
By JohnR , 2 days ago
-
RE: Additional Battery v Wind Turbine v Ripple
@lucia Yes, that is the response to which I referred ea...
By Toodles , 2 days ago
-
RE: Is it worth siting panels on an East facing roof?
Yes. Thanks all. I have used the guides and have found ...
By Carpenterstation , 3 days ago
Latest Topics
-
(How) does your heat pump control its water pump?
By JamesPa 5 hours ago
-
Plug and play solar. Thoughts?
By Lucia 4 days ago
-
By JamesPa 4 days ago
-
Vaillant water pressure gauge vs Analogue gauge
By jeegnesh 4 days ago
-
Database of heat pump performance data?
By madbilly 5 days ago