How much does it cost to fix Vokera error code RED LED Solid?

Typical repair cost for the Vokera RED LED Solid fault is £90-160 including labour.

RED LED Solid High

Vokera RED LED Solid Fault Code

Q: What does the Vokera RED LED Solid fault code mean?

Your boiler has detected a fault with its internal temperature sensor, preventing it from heating your water and radiators safely.

Also written as REDLEDSOLID — same fault.

The Vokera RED LED Solid fault code means: your boiler has detected a fault with its internal temperature sensor, preventing it from heating your water and radiators safely.. It appears on 5 Vokera models in our database.

Technical description: primary NTC open/short circuit

What causes the Vokera RED LED Solid fault?

This fault occurs when the boiler's main temperature sensor, which monitors the heat of the water inside the unit, fails or loses connection. The most common reason is that the internal component has simply worn out over time or a wire has come loose, meaning the boiler can no longer safely regulate its own temperature.

Typical repair cost £90-160 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Vokera models that show the RED LED Solid fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Vokera RED LED Solid fault code information on this page is sourced and cross-checked against the official Vokera service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026