Kinghome Error Code Pc: Drive current detection error (Heat Pump)

Updated October 13, 2026 · by Aurora Star Tech Inc.

Kinghome error code Pc on a heat pump means: Drive current detection error. It is also called Kinghome diagnostic code Pc.

High severityHeat PumpKinghome Ultranixx Eco · Kinghome Ultranixx

Homeowner? What Kinghome code Pc means for you

Call a technician Your heat pump is reporting: Drive current detection error. The heat pump has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.

Safe things you can check yourself

Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.
Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
In winter, keep snow and ice off and away from the outdoor unit. A short defrost cycle with steam is normal.
Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.

Call (647) 657-2977 Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Kinghome error code Pc mean?

The current sampling offset is out of range.

Applies to: Kinghome Ultranixx Eco KD24UHO to KD60UHO outdoor units with KD..UHI air handlers; Kinghome Ultranixx cold-climate KU36UHO and KU60UHO outdoor units with KU..UH2I and KD..UHI air handlers

Common causes of Kinghome code Pc

Current detection circuit fault
Poor AD terminal solder

Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

Kinghome models that use code Pc

KD24UHI KD24UHO KD30UHI KD30UHO KD36UHI KD36UHO KD42UHI KD42UHO KD48UHI KD48UHO KD60UHI KD60UHO KU24UH2I KU36UH2I KU36UHO KU48UH2I KU60UH2I KU60UHO

Other Kinghome Heat Pump codes

Code	Meaning
P3	Compressor intermediate-frequency test display
P5	Compressor phase overcurrent
P6	Main-to-driver communication error
P7	Module temperature sensor circuit fault
P8	Power module over-temperature
PA	AC current protection
PH	DC bus voltage high
PL	DC bus voltage low
PU	Capacitor charging failure
U1	Compressor phase current detection circuit fault
U3	DC bus voltage drop fault
U5	Whole-unit current detection fault

All Kinghome Heat Pump error codes →

Kinghome code Pc: homeowner questions

What does Kinghome code Pc mean?

Drive current detection error. The current sampling offset is out of range.

Is it safe to keep using my heat pump with code Pc?

It depends on the cause. The heat pump has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.

Can I reset Kinghome code Pc myself?

You can try one reset (power off for 30 seconds, then on). If Kinghome code Pc comes back, the cause is still there and a licensed technician should check it.

Who can fix Kinghome code Pc near me?

Aurora Star Tech Inc. repairs Kinghome heat pumps in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

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

Source: Kinghome Ultranixx Eco KD24-60UHO service manual, sec. 3.3-3.4; Kinghome Ultranixx cold-climate KU36/60UHO service manual GC202306, sec. 3.3-3.4. Written in our own words as a summary; always check the original manual.

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.