E130 — Flue thermostat sensor tripped (lockout)

What does E130 mean?

The flue thermostat sensor has tripped, indicating excessively high temperatures in the flue, leading to a boiler lockout.

• Faulty flue thermostat sensor.
• Blockage in the flue system.
• Poor water circulation causing boiler overheating.
• Issue with the primary heat exchanger.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the boiler, wait 30 seconds, then turn it back on.

2. 2

   Visually inspect the flue terminal outside for any obvious obstructions.

3. 3

   Check the system water pressure on the boiler's gauge.

4. 4

   If the error persists, a qualified technician should check the flue thermostat, water circulation, and the primary heat exchanger.