What does the Potterton Red LED is 'ON' fault code mean?

Your boiler has detected an internal electrical or safety fault and has stopped running to prevent damage.

How much does it cost to fix Potterton error code Red LED is 'ON'?

Typical repair cost for the Potterton Red LED is 'ON' fault is £120-280 including labour.

Potterton Red LED is 'ON' Fault Code: What It Means & How to Fix It

Technical description

Boiler fails to work. Check: Electrical Plugs (PL1 to PL6) are connected to Circuit Board, Main Supply Voltage is between 196Vac & 253Vac, link plug is fitted (RSL models), or T.T.B. thermostat continuity (CFL models).

What causes this fault?

This fault occurs when the boiler's internal computer stops receiving signals from essential safety components or loses its electrical connection. It is usually caused by a loose wiring plug inside the unit or a component failing to complete an electrical circuit, which forces the boiler to shut down for safety. In some cases, fluctuations in your home's mains power supply can also trigger this red light.

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 an internal electrical or safety fault and has stopped running to prevent damage.

Technical description

What causes this fault?

Engineer required

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