What does the Worcester Bosch Fault 53 128 fault code mean?

Your boiler has detected that a temperature sensor is sending an unusual reading, suggesting it may have been knocked out of place or is reporting a sudden, impossible heat spike.

How much does it cost to fix Worcester Bosch error code Fault 53 128?

Typical repair cost for the Worcester Bosch Fault 53 128 fault is £90-180 including labour.

Worcester Bosch Fault 53 128 Fault Code: What It Means & How to Fix It

Technical description

Temperature sensor fitted in wrong location.

What causes this fault?

This fault occurs when the boiler detects a sudden, rapid temperature rise that seems physically impossible under normal operation. It usually happens because the temperature sensor has become loose, has been clipped into the wrong position, or is failing and sending incorrect electrical signals to the internal computer.

Engineer required

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

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Your boiler has detected that a temperature sensor is sending an unusual reading, suggesting it may have been knocked out of place or is reporting a sudden, impossible heat spike.

Technical description

What causes this fault?

Engineer required

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