F.01 — Feed Temperature Sensor (NTC) Fault or Open Circuit (Turbomax Plus)

What does F.01 mean?

This code indicates a problem with the flow NTC (Negative Temperature Coefficient) feed temperature sensor in your Turbomax Plus boiler. It suggests a faulty connection or an open circuit in the sensor's wiring.

• Defective Flow NTC cable
• Broken Flow NTC cable
• Faulty connection to the feed temperature sensor
• Open circuit in the NTC sensor wiring

Click steps to track your progress.

1. 1

   Turn off the boiler at the main power supply and wait 30 seconds before turning it back on to reset.

2. 2

   Visually check any accessible wiring and connections around the boiler for loose or damaged cables.

3. 3

   If the fault persists, it typically requires a qualified engineer to test and possibly replace the NTC sensor or wiring.