Honeywell CS0116C-LS PCB - Baxi Eco 240 FI / Luna - CD 56.5389.2
Control PCB manufactured by Honeywell, code CS0116C-LS (CD Baxi 56.5389.2). It is installed in Baxi boilers from the Eco and Luna ranges and manages the ignition and overall operation of the unit. It is replaced when the boiler does not ignite, locks out without apparent cause, or shows electronic faults that are not dependent on other components.
VAT included
Consult via WhatsAppBaxi boilers compatible with reference JJJ005653890
PCB with reference JJJ005653890. Three confirmed compatibilities: Eco 240 Fi and Eco 240 i.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Baxi Eco 240 Fi | Baxi Eco | Contrasted |
| Baxi Eco 240 i | Baxi Eco | Contrasted |
| Baxi Eco 1.240 Fi | Baxi Eco | 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. JJJ005653890 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 JJJ005653890. 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 JJJ005653890 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 boiler does not ignite and there is no sound of any attempt to start.
Cause: The PCB does not send signals to the fan and the gas valve to initiate the start-up.
Check if power is reaching the boiler and verify that the fan and the pump are functioning correctly before blaming the PCB.
- 02
The boiler locks itself without any visible fault in other components.
Cause: The PCB can enter a safety lockout due to an internal fault, even if there are no issues with other components.
Reset the boiler and observe if the lockout occurs at the same moment during ignition; this helps to identify if the problem is with the PCB or another component.
- 03
The operation fails intermittently: some days it starts well and others it doesn't ignite.
Cause: A fault in the PCB related to temperature or humidity can cause intermittent issues.
Check if the fault occurs more on cold or humid days before deciding to change the PCB.
Fault codes Baxi that this part resolves
| Code | Fault | Diagnosis and solution |
|---|---|---|
| E01 | Lockout - does not ignite | The ignition/modulation PCB may not generate a spark or correctly manage the ionisation signal, or it may not energise the gas valve. Check the spark/electrode, polarity, and voltage/order to the valve; if all peripherals are correct, the PCB JJJ005653890 is faulty. |
| E35 | Parasite flame (flame error) | The flame detection circuit on the PCB interprets the presence of a flame with the burner off (moisture, poor grounding, or ionization amplifier fault). Check grounding/polarity, wiring, and electrode/ionization; if E35 persists with the electrode disconnected, the PCB JJJ005653890 is defective. |
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 Baxi JJJ005653890 PCB.
- Catalogue reference
- JJJ005653890
- Brand
- Baxi
- Type of part
- PCBs (control boards)
- Units in stock
- 1 unit
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- 1-2 business days
- Return
- 14 days
Data read on the part and in the manufacturer's documentation
What we have not been able to verify does not appear here.
- Manufacturer
- Honeywell
- PCB code (Honeywell)
- CS0116C-LS
- CD Baxi
- 56.5389.2
- CE marking (type approval)
- 0051AU1699
- Type
- ECOINT00
- Manufacturing date
- 05/03 (and 12/03 in another unit of the same reference)
- Main relay
- SCHRACK V23148-B0005-A101, 12V
- Transformer
- Electron-Coil (Erba, CO, Italy), A040A5018BA
- The manufacturer of the PCB is Honeywell; Baxi is the brand of the boiler, not the component.
Frequently asked questions about the PCB JJJ005653890
Who manufactures the CS0116C-LS PCB used in the Baxi Eco 240 FI?
Does this Honeywell CS0116C-LS PCB work for a Baxi Luna 240 FI?
What fault of the Baxi Eco 240 FI does this PCB solve?
What is the function of the CS0116C-LS PCB in the Baxi Luna?
Spare parts related to Baxi Baxi Eco
