Main PCB Ariston Clas Premium 24 Ref. 65109138 03
RefurbishedAristonPCBs (control boards)

Main PCB Ariston Clas Premium 24 Ref. 65109138 03

105 €VAT includedIn stock · 3 units

PCB (control board): refurbished spare part that controls the ignition, modulation, and safety features of the boiler. Useful if the boiler does not ignite, locks out, or the display is unresponsive. Compatible with CLAS PREMIUM 24, CLAS PREMIUM 30, CLAS PREMIUM 35 (ref. 65109138 03). Includes a one-year warranty and delivery within 2–4 working days in the EU.

1
Consult via WhatsApp
Delivery in 2–4 working days
1-year warranty
14-day return
Technical support

Key Data

Reference
65109138 03
Brand
Ariston
Type of part
PCBs (control boards)
Available units
3 units in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 65109138 03) equips these models. Verified compatibility; check the reference before purchasing.

CLAS Premium

  • CLAS PREMIUM 24
  • CLAS PREMIUM 30
  • CLAS PREMIUM 35
  • CLAS B PREMIUM 24
  • CLAS B PREMIUM 35

Genus Premium

  • GENUS PREMIUM 24
  • GENUS PREMIUM 30
  • GENUS PREMIUM 35

Fault codes related to this part (not the entire boiler). They usually have more possible causes: first rule out electrodes, wiring/connections, and gas supply. Verified with ≥3 sources.

CodeWhat does it mean?Cause and diagnosis (this part)
3 03Main PCB faultSelf-diagnosis detects an internal fault in the PCB (e.g., micro/EEPROM or internal power supply). Check the board voltages (5/12/24 Vdc), perform a visual inspection, and rule out wiring/display before replacing the board.
3 05Main PCB faultMain PCB fault detected by the internal electronics. Check mains supply to the board, secondary voltages, and ensure there are no shorts/damage to components before replacing it.
3 06Main PCB faultThe internal electronic self-test detects a malfunction of the PCB. Check power supply lines/low voltages, connectors, and absence of thermal damage; if the issue persists, replace the PCB.
3 07Main PCB faultThe boiler identifies an internal fault in the PCB. Confirm that the rest of the peripherals/communications are correct and measure voltages/regulators on the PCB; if the error persists, replace the board.
How do I know if this PCB is for my boiler?
Verify the reference 65109138 03 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.
What is it used for?
The PCB controls the ignition, modulation, sensor readings, and safety features of the boiler.
Is the boiler not igniting, locking out, or is the control board unresponsive?
After ruling out mains voltage, fuse, and connectors, a damaged PCB causes lockouts, blackouts, or erratic display. Repair the external cause before installing the new one.
Which models is it suitable for?
Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations
After installation, a technician must adjust the service parameters (type of gas, power settings) and check combustion and safety features.
What does refurbished mean and what coverage does it have?
Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

Related Spare Parts Boiler Clas Premium 24

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