Kinghome KM12HEDI Error Codes

Updated October 15, 2026 · by Aurora Star Tech Inc.

Kinghome KM12HEDI error codes and diagnostic codes. The KM12HEDI is a Kinghome heat pump in the Kinghome KM HEDI series.

Homeowner with a heat pump problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Kinghome KM12HEDI error codes list

Code	Meaning	Severity
+ - + - + -	Forced defrost request (remote key sequence)	Low
8°C	8 degC heating mode active	Low
88	Sleep curve editing (remote)	Low
C5	Jumper cap missing or wrong	Medium
dd	Pilot (test) run in progress	Low
E6	Indoor/outdoor communication fault	High
F1	Indoor room temperature sensor fault	Medium
F2	Sensor fault (indoor coil or outdoor condenser)	Medium
H1	Defrosting mode 1 selected (remote display)	Low
H2	Defrosting mode 2 selected (remote display)	Low
H6	Fan motor feedback fault (indoor or outdoor)	High
Lock icon	Remote keypad locked	Low
SE	Energy-saving mode active	Low
Temp display select	Indoor display shows set, room or outdoor temperature	Low
Turbo icon	Turbo mode active	Low
X-FAN icon	X-FAN (fan dry-off) active	Low

Troubleshooting the KM12HEDI

Force a defrost cycle from the remote Kinghome · Heat Pump
Start the pilot (test) run from the remote Kinghome · Heat Pump
Switch between defrosting mode 1 and 2 Kinghome · Heat Pump

All Kinghome Heat Pump error codes →

Homeowner help: AC Running But Not Cooling: What to Check · Heat Pump Not Heating or Blowing Cold Air

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Kinghome KM12HEDI error codes list

Troubleshooting the KM12HEDI

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