BAXI Luna 3 - no hot water

[king of pipes]

This may help you not really familiar with that boiler . Regards kop

 

[geofear]

Thanks, Mate. I have that manual next to my bed. I think I have memorized it by now. ;-)

 

[oz-plumber]

I could almost guarantee its the Transducer.
The part that the rilevator fits onto.

Baxi part no: JJJ000620340.

Patience is required removing the part.
Difficult to get a socket onto. Can't really do it with a spanner.
The faint red light on the rilevator may not sense enough flow for the unit to fire up on DHW demand

 

[geofear]

I could almost guarantee its the Transducer.
The part that the rilevator fits onto.

Baxi part no: JJJ000620340.

Patience is required removing the part.
Difficult to get a socket onto. Can't really do it with a spanner.
The faint red light on the rilevator may not sense enough flow for the unit to fire up on DHW demand

I love the theory, but that part number does not show up on the parts diagram for my particular boiler. Instead it shows B (pic3) "FILTER ASSEMBLY WITH RED.10L-10091" ?

Perhaps your part is just the top piece of that ASSEMBLY ???

In your experience, when DHW demand, does the Rilevator show a constant red light, NOT FLICKERING?

I could almost guarantee its the Transducer.
The part that the rilevator fits onto.

Baxi part no: JJJ000620340.

Patience is required removing the part.
Difficult to get a socket onto. Can't really do it with a spanner.
The faint red light on the rilevator may not sense enough flow for the unit to fire up on DHW demand

 

[ShaunCorbs]

Part no 624

 

[geofear]

Part no 624

Many thanks Shawn, but 624 is the Rilevator itself. I have already replaced it. But if it 'works' with the "transducer", I think we're making progress here. And I see it has a plastic screen at its base.... Perhaps it is just CLOGGED and can be cleaned?

 

[geofear]

I could almost guarantee its the Transducer.
The part that the rilevator fits onto.

Baxi part no: JJJ000620340.

Patience is required removing the part.
Difficult to get a socket onto. Can't really do it with a spanner.
The faint red light on the rilevator may not sense enough flow for the unit to fire up on DHW demand

OZ, are you in Britain?

 

[ShaunCorbs]

Is it making a solid red light when waters flowing ?

Also if you live in a hard water area then yes I would clean the screen

 

[Deleted member 120897]

I think imo it’s flickering?

In your experience, when DHW demand, does the Rilevator show a constant red light, NOT FLICKERING?

Is it making a solid red light when waters flowing ?

Also if you live in a hard water area then yes I would clean the screen

 

[ShaunCorbs]

Yes should be constant sounds like the flow sensor is getting old part no 81