
Saunier Duval Thema Condens F AS 24 Electronic Display Ref. 0020085486
The electronic display Saunier Duval Thema Condens F AS 24, reference 0020085486, is a control PCB that manages the ignition, burner modulation, pump, and safety features of the boiler. When it fails, the boiler may not start, become locked, or exhibit erratic operation. This component is compatible with the Thema Condens range, including the model Thema Condens F 24, among others. It is advisable to replace the part upon detecting these symptoms to avoid further issues.
VAT included
Consult via WhatsAppSaunier Duval boilers compatible with reference 0020085486
PCB with reference 0020085486. A proven compatibility: Thema Condens F 24.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Saunier Duval Thema Condens F 24 | Thema Condens | Contrasted |
Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.
How to check if ref. 0020085486 is the part for your boiler
What determines it is not the boiler model, but the reference printed on the part you already have installed.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 0020085486. If it is not visible, do not identify the part from its shape alone.
- Check the full boiler model on its data plate and look for it in the model associations on this page.
- Compare the connections and physical body with the original part before installation.
- If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Symptoms and faults that the PCB 0020085486 resolves.
The PCB controls the ignition, modulation, and safety features of the boiler. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
The screen does not turn on at all; it remains completely black.
Cause: The screen is not receiving power or its internal electronics are not starting up.
Check that the boiler is powered and that no fuse or circuit breaker has tripped before declaring the display faulty.
- 02
The temperature and any data do not appear on the screen, although it seems to have a backlight.
Cause: The display circuit has failed even though the basic power supply is reaching it correctly.
Check if there is any dim light even if there are no numbers; this helps to distinguish a power supply fault from a fault in the display itself.
- 03
The screen remains frozen, always displaying the same image, it doesn't update.
Cause: The display microprocessor has frozen and stopped refreshing the information it receives.
Cut the power to the boiler for a couple of minutes and then turn it back on; if the screen freezes again as soon as it starts, the fault is with the screen itself.
- 04
The controls are not responding even though the display is on.
Cause: The circuit that detects the button presses on this screen has stopped working.
Since this part has no visible marking or reference to confirm the exact model, carefully compare the connector and the size of the current display before purchasing, not just the boiler model.
Fault codes from Saunier Duval that this spare part resolves.
| Code | Fault | Diagnosis and solution |
|---|---|---|
| F.70 | Invalid product code (DSN). | It appears after simultaneously replacing the electronic display 0020085486 and the main PCB without reprogramming the DSN; to verify, enter diagnostics (e.g., D.093) and adjust the correct appliance code according to the manufacturer's table. |
These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.
Data sheet for the Saunier Duval PCB 0020085486.
- Catalogue reference
- 0020085486
- Brand
- Saunier Duval
- Type of part
- PCBs (control boards)
- Units in stock
- 1 unit
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- Delivery time shown at checkout
- Return
- 14 days












