
Honeywell CS0147C-LS PCB Saunier Duval Thema NOX F24
Control PCB identified by its silkscreen: manufacturer Honeywell, code CS0147C-LS. It includes a Schrack relay PE014024 (PCB reference 052.003714/01) and two class X2 capacitors of 47 nF at 305 V for network filtering. It is installed in Saunier Duval boilers from the Master Inox, Supermaster, Supermicra, and Thema NOX ranges. It is replaced when the module stops functioning.
VAT included
Consult via WhatsAppBoilers compatible with reference 0020076179
PCB with reference 0020076179. Eight confirmed compatibilities: F 24 and 24 SE.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| F 24 | NOX Thema | Contrasted |
| 24 SE | Supermaster | Contrasted |
| 28 SE | Supermaster | Contrasted |
| 30 SE | Supermaster | Contrasted |
| Ecoplus 24 SE | Supermicra | Contrasted |
| Master Inox 24 SE | Hermann | Contrasted |
| Master Inox 30 SE | Hermann | Contrasted |
| Supermicra Condensing 24 SE | Hermann | 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. 0020076179 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 0020076179. 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 0020076179 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 start: there is no power or display.
Cause: The PCB is the control unit that manages the entire system; if it fails, the equipment does not respond.
Check the fuse on the PCB and ensure that it is receiving power at the input before replacing the entire module.
- 02
An error code appears on the screen that does not go away after resetting.
Cause: The microcontroller on the PCB detects a problem with the sensors or safety stages and locks the unit.
Note the exact code displayed on the screen: not all codes indicate a fault in the PCB.
- 03
The thermostat does not control the boiler even when it is on.
Cause: Communication between the thermostat and the PCB is interrupted if the corresponding input stage fails.
Try to operate the boiler in manual mode from the unit itself, without the thermostat, to determine if the fault is in the PCB or in the thermostat.
- 04
The boiler turns on and off by itself intermittently.
Cause: A relay or capacitor on the PCB in poor condition causes interruptions in the power supply to the components.
Check for any visible moisture or dirt on the PCB and ensure that the connectors are securely attached before replacing it.
Fault codes that this part resolves
| Code | Fault | Diagnosis and solution |
|---|---|---|
| 13 | Main PCB fault. | The main PCB is faulty or has defective internal/external connections; check the fuse and voltages of the PCB (230/5 V supplies) and connectors. If the issue persists with correct wiring and peripherals, replace the PCB. |
| 11 | No reception from the main PCB (MMI line). | Communication fault towards the PCB (receiver/MMI input of the PCB) or the cable between interface and PCB; check continuity of the MMI lead and 5 V on the interface. If the fault persists with a good cable/panel, the PCB is the cause. |
| 26 | Gas valve not functioning. | The stepper motor of the valve assembly is not responding. Check that the PCB's multi-connector is properly plugged in and that the wiring harness is not interrupted; if the motor and wiring are fine, the cause is the electronics. |
| 27 | Incorrect flame detection: safety shutdown. | Moisture in the electronics, faulty flame control, or defective gas solenoid valve. Dry and check the solenoid valve before replacing the PCB. |
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 PCB 0020076179
- Catalogue reference
- 0020076179
- 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.
- Component manufacturer
- Honeywell
- Component code
- CS0147C-LS
- Relay
- Schrack PE014024 (PCB reference 052.003714/01)
- Capacitor X2
- 47 nF, 305 V~ (marked AN106254251 C), 2 units












