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Gree aircon inverter module repair in Singapore

An IPM or inverter-board fault on a Gree system can be the power stage itself, or the supply, cooling or load it drives. We test the power stage, supply, cooling, wiring and connected load, explain what failed and quote after diagnosis.

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Signs your Gree aircon needs an inverter-module check

These symptoms can involve the inverter power stage, but they can also come from its supply, cooling, connectors, feedback, main board or connected compressor or fan.

  • An IPM, power-module or inverter-board code appears

    A Gree inverter-related code identifies the power stage or protection path. It does not prove which replaceable assembly has failed.

  • The outdoor unit starts, trips or stops under load

    A weak power stage may fail as demand rises, but the supply, cooling path and connected load can create the same protection.

  • Cooling stops across several connected rooms

    A shared outdoor inverter or driver fault can stop the connected system even when indoor units still respond.

Examples of Gree systems we check

  • Lomo residential single-split systems

  • Free Match residential multi-split systems

  • U-Match and Gree commercial families, with scope confirmed from the exact model

Model not listed

Send photos of the indoor and outdoor model labels, plus the error code or a short video of the symptom.

It may not be the inverter module

Before ordering a model-specific module or driver board, we check three problems that can create the same code, trip or no-start behaviour.

  • Supply, connector or communication fault

    Voltage imbalance, loose terminals, damaged harnesses or a failed main-to-inverter link can stop a healthy power stage.

  • Cooling or feedback fault

    A blocked heat sink, failed fan, temperature-sensor circuit or current-feedback problem can trigger module protection.

  • Compressor or fan load fault

    A locked or electrically damaged load can create real overcurrent while the inverter module is protecting correctly.

We match the code to the exact IPM, IGBT, inverter-board, fan-driver or compressor-driver stage, then test supply, connectors, cooling, feedback and the connected load. How a job runs, from first message to booking.

What is different on Gree systems

Gree H5, Ed, H6, H8, P6 and P8 separate general, fan-driver and compressor-driver IPM protection. We confirm the affected driver, cooling path and connected fan or compressor before recommending electronics.

Gree error codes related to inverter module problems

Open the group that matches where the code appeared on your unit.

Outdoor unit6 guides

Codes can mean different things across model and system families. Every code is in the full lookup for this brand. Last reviewed 2026-08-22.

Is Gree inverter module repair worth it?

  • Parts and timing

    The correct Gree inverter power stage may be a separate IPM/IGBT, a driver board or a complete outdoor-PCB assembly. We confirm the exact outdoor model, board revision, supported repair, part number and distributor lead time before you approve work.

  • Our recommendation

    Inverter-module repair is usually sensible when the exact power stage is confirmed, the supported module or board assembly is available, and the compressor, fan, supply and cooling path remain healthy; an older system with a damaged compressor or several board faults needs a closer repair-versus-replacement comparison. Gree systems commonly have a service life of 8-12 years. For a system over 8 years, major compressor or inverter faults can approach replacement economics on a budget-tier system. Confirm the fault before spending.

If replacement makes more sense, we compare the repair quote with a suitable new system. See our aircon system replacement process.

Other Gree repair checks

If testing rules out this part, these are the next checks on the same system.

Workmanship warranty

We stand behind the repair we carry out, and we are straight about the part of the cover we do not set ourselves.

Labour

30-day workmanship warranty. If the same fault returns from our repair, we come back and the labour is on us, with no second diagnostic visit fee.

Parts

Parts carry the distributor's warranty for that component, so the term varies by part. We tell you both terms before you approve the work.

Frequently asked questions about Gree inverter module repair in Singapore

What are the signs of a Gree inverter module problem?
On Gree systems, common signs include an IPM, power-module or inverter-board code, an outdoor unit that starts then trips, repeated protection or several rooms stopping together. Supply, wiring, cooling, feedback, the main board, compressor and fan can create similar symptoms.
How do you confirm a Gree inverter module fault?
For Gree inverter module faults, we identify the exact outdoor model and board revision, match the code to the IPM, IGBT, inverter-board, fan-driver or compressor-driver stage, then test supply, cooling, connectors, feedback and the connected load.
Does a Gree IPM or inverter code prove the module has failed?
No. The code identifies the inverter power stage or protection path, but the cause can be the supply, connector, cooling, feedback, main board or connected compressor or fan. We test the complete Gree power path before ordering a module or board.
Should I repair or replace my Gree aircon?
Inverter-module repair is usually sensible when the exact power stage is confirmed, the supported module or board assembly is available, and the compressor, fan, supply and cooling path remain healthy; an older system with a damaged compressor or several board faults needs a closer repair-versus-replacement comparison. Gree systems commonly have a service life of 8-12 years. For a system over 8 years, major compressor or inverter faults can approach replacement economics on a budget-tier system. Confirm the fault before spending.

We cover all of Singapore. Find aircon services in your area.

Describe your situation

Tell us what’s going on. Symptoms, setup, photos, anything we should know. We’ll assess and come back with the right next step.

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