Error 10 — Outdoor sensor fault

What does 10 mean?

Error code 10 indicates an issue with the outdoor temperature sensor. This sensor provides important data for the boiler's operation, and a fault can affect heating efficiency and control.

• Faulty outdoor temperature sensor.
• Broken or shorted wiring to the outdoor temperature sensor.
• Faulty PCB (Printed Circuit Board).

Click steps to track your progress.

1. 1

   Disconnect the outdoor temperature sensor and measure its resistance (ohms) to compare with the NTC sensor chart.

2. 2

   Carefully check the wiring leading to the outdoor temperature sensor for any signs of a break or short circuit.

3. 3

   If the sensor and wiring appear to be in good condition, the PCB may need to be replaced by a qualified technician.