What does the Johnson Starley EXHAUST SENSOR FAULT fault code mean?

Your boiler has detected an issue with the sensor that monitors the temperature of the gases leaving your flue, meaning it has shut down as a precaution to ensure safe operation.

How much does it cost to fix Johnson Starley error code EXHAUST SENSOR FAULT?

Typical repair cost for the Johnson Starley EXHAUST SENSOR FAULT fault is £150-250 including labour.

Johnson Starley EXHAUST SENSOR FAULT Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

Fault detected in the flue/exhaust temperature sensor

From this model's manual

Verified against the Johnson Starley/Johnson Starley Quantec C installation & service manual.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Boiler cover options

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All 31 fault codes on the Quantec C

Seeing a different code? Every code this model can display, in one place.

Your boiler has detected an issue with the sensor that monitors the temperature of the gases leaving your flue, meaning it has shut down as a precaution to ensure safe operation.

What the manual says

Engineer required

Avoid the next call-out bill

All 31 fault codes on the Quantec C

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