How much does it cost to fix Ideal error code Inverter Error?

Typical repair cost for the Ideal Inverter Error fault is £300-700 including labour.

Inverter Error High

Ideal Inverter Error Fault Code

Q: What does the Ideal Inverter Error fault code mean?

Your heat pump is experiencing a communication failure with its internal motor controller, which prevents the unit from starting or running reliably.

Also written as INVERTERERROR — same fault.

The Ideal Inverter Error fault code means: your heat pump is experiencing a communication failure with its internal motor controller, which prevents the unit from starting or running reliably.. It appears on 1 Ideal model in our database.

Technical description: Inverter Error

Typical repair cost £300-700 (including labour)

Engineer required

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

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Ideal models that show the Inverter Error fault code

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

HP290 Repair: £300-700

Source

Ideal Inverter Error fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

Ideal HP290 manual (PDF)

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026