BoilerFaultCodesYour heat pump has encountered a communication or power issue with the internal electronics that manage the motor, causing the system to stop working.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Inverter Error
What causes this fault?
This fault occurs when the main control system loses its ability to talk to the part that regulates the heat pump's motor speed. The most common reason is a hardware failure within the inverter circuit board or a loose connection in the wiring that carries signals between these internal components.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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A boiler cover plan would cover faults like LCB — no call-out fees, no surprises.
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Could it be time for a new boiler?
If repair costs are adding up, a new energy-efficient boiler could be the smarter long-term choice.
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