Fault 38 (Detailed 140) — Burner blocked due to boiler water sensor cable broken

What does 38 mean?

The boiler's burner is blocked because the cable for the boiler water temperature sensor is broken. A damaged cable prevents the sensor from sending correct temperature readings to the boiler's control unit.

• Boiler water temperature sensor cable broken

Click steps to track your progress.

1. 1

   Visually inspect the cable for the boiler water temperature sensor for any breaks, cuts, or damage.

2. 2

   Ensure the cable is securely connected at both ends to the sensor and the boiler's control unit.

3. 3

   Press the reset button R on your boiler.

4. 4

   If the fault persists, contact a qualified service technician to repair or replace the cable or sensor.