
Vaillant Turbotec PRO VMW 242/4-3M PCB Ref. 0020092371
Control PCB for Vaillant Turbotec PRO boilers and the VM/VMW/VU 240-282 range, in versions 3-3M to 4-5M. The copper watermark of the circuit itself, not a sticker, confirms that it is manufactured by Vaillant Group, and it is printed with the code TL-G1C next to the main capacitor. Replacement requires first confirming the fault of the part through technical diagnosis, even when the control board stops functioning correctly.
Vaillant boilers compatible with reference 0020092371
PCB with reference 0020092371. 11 verified compatibilities: VMW 242/4-3 M R1 and VMW 242/4-3 M.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Vaillant VMW 242/4-3 M R1 | Turbotec Pro (VMW) | Contrasted |
| Vaillant VMW 242/4-3 M | Turbotec Pro (VMW) | Contrasted |
| Vaillant VMW 202/4-3 M | Turbotec Pro (VMW) | Contrasted |
| Vaillant VMW 242/4-5 M | Turbotec Plus (VMW) | Contrasted |
| Vaillant VMW 242/4-5 M R2 | Turbotec Plus (VMW) | Contrasted |
| Vaillant VMW 282/4-5 R2 | Turbotec Plus (VMW) | Contrasted |
| Vaillant VMW 322/4-5 R2 | Turbotec Plus (VMW) | Contrasted |
| Vaillant VMW 240/3-3 M | Atmotec Pro/Plus (VMW) | Contrasted |
| Vaillant VMW 240/3-5 M | Atmotec Pro/Plus (VMW) | Contrasted |
| Vaillant VMW 280/3-5 | Atmotec Pro/Plus (VMW) | Contrasted |
| Vaillant VMW 282/4-3 | Atmotec Pro/Plus (VMW) | 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. 0020092371 is the part for your boiler
The part reference, model, and equipment revision must be verified against the manufacturer's documentation.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 0020092371. If it is not visible, do not identify the part by 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 that require diagnosis on the PCB 0020092371
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 respond at all: neither the display nor the indicator lights turn on.
Cause: The control board has experienced an internal fault and is not managing the system.
Check if there is power to the boiler and verify that the thermal cut-out has not tripped.
- 02
The fault code on the screen remains the same, even after resetting the boiler.
Cause: The PCB maintains the safety lock until the detected fault is resolved.
Check the code in the manual: there are faults related to the sensor or pressure switch that may display similar codes.
- 03
The remote control or the thermostat cannot activate the boiler, although it indicates demand.
Cause: The PCB does not process the signal from the regulator correctly.
Do not force, hit, or bridge the component. Request a technical check according to the equipment manual before deciding on its replacement.
- 04
The boiler turns off randomly, without showing any faults before the shutdown.
Cause: An intermittent fault on the PCB interrupts the cycle without leaving a trace.
Check the connectors and wiring of the PCB for possible loose connections.
Vaillant fault codes that require diagnosis
| Code | Fault | Technical checks |
|---|---|---|
| F.63 | EEPROM error: the configuration/calibration memory of the electronics is damaged. | The EEPROM physically resides on this main PCB; when the documentation indicates 'electronic system fault', the cause is the PCB itself. Verify: the code persists after resetting and does not depend on any external component (valve, sensors); if it reappears, replace the PCB. |
| F.64 | Electronic system error / sensors: fault in the electronics or short circuit in the flow or return sensor. | The documented cause explicitly includes 'faulty electronic system' (the PCB). First, check the NTC flow/return sensors (resistance and connections); if the sensors and their wiring are correct and the fault persists, the origin is this board. |
| F.65 | Electronic system temperature too high: the electronics have overheated. | The temperature sensor is integrated into the PCB; the fault code is triggered by external overheating of the PCB or by a fault in the electronics itself. Check: rule out external heat sources or poor ventilation; if the location is correct and the issue persists, the PCB is defective. |
| F.67 | Flame control input signal out of limits (flame detection electronics). | The documented cause is 'electronic system fault': the flame detection/ionisation stage of the PCB delivers a signal out of range. First, check the ionisation electrode and its wiring; if they are correct and the signal remains out of limits, the fault is with this 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 Vaillant 0020092371
- Catalogue reference
- 0020092371
- Uniclima internal SKU
- PLC-VLL445X
- Brand
- Vaillant
- 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
Part data and available documentation
Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.
- PCB manufacturer
- Vaillant Group (copper watermark of the circuit itself)
- PCB code
- TL-G1C












