Unit stops with F96; inverter overheating protection activated.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Blocked airflow around outdoor unit, Dirty or blocked heat sink on inverter PCB, High ambient temperature, Failing outdoor fan motor

Safety first: Isolate power before opening the outdoor unit.

Steps:

1. Improve ventilation: Ensure the outdoor unit is not enclosed or blocked by objects.
2. Clean heat sink: Carefully remove dust from the inverter PCB heat sink using dry compressed air. Do not damage components.
3. Verify fan operation: Confirm the outdoor fan runs whenever the compressor is operating.

If F96 continues, the inverter PCB may be failing and should be replaced by a technician.

Hard 4/5

Outdoor Inverter PCB

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