Kinghome · Heat pump

AC Outdoor fan startup failure

High severity Kinghome Ultranixx Eco

What the control is telling you

Outdoor fan fails to start.

Applies to: Kinghome Ultranixx Eco KD24UHO to KD60UHO outdoor units with KD..UHI air handlers

Likely causes

Poor fan wire contact
Failed fan or drive

Test and repair steps

Check fan wires.
Replace fan or drive.

Models that show this code

12 models in Kinghome Ultranixx Eco

KD24UHIKD24UHOKD30UHIKD30UHOKD36UHIKD36UHOKD42UHIKD42UHOKD48UHIKD48UHOKD60UHIKD60UHO

Other codes on the same units

P5 Compressor phase overcurrent
P7 Module temperature sensor circuit fault
AE Outdoor fan current detection error
AJ Outdoor fan out-of-step
EE Memory chip fault
HC PFC protection
LC Compressor start failure
PA AC current protection

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Source: Kinghome Ultranixx Eco KD24-60UHO service manual, sec. 3.3-3.4. Summarized in our own words; check the original manual for your model.

Homeowner looking at this code? See what it means for you and when to call a technician.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.