Kinghome Heat Pump: Open the outdoor board debug menu (SW1 held 5 s)
Open the outdoor board debug menu (SW1 held 5 s) on a Kinghome heat pump: Holding SW1 for about 5 seconds opens the first-level debug menu on the KU outdoor board; items include 06 forced defrost, 08 refrigerant recovery and 09 forced operation.
Applies to: Kinghome Ultranixx cold-climate KU36UHO and KU60UHO outdoor units with KU..UH2I and KD..UHI air handlers
How to fix open the outdoor board debug menu (sw1 held 5 s): step by step
- Hold SW1 about 5 seconds until the board display flashes.
- Short-press SW1 to move to the item you need (06, 08 or 09).
- Use SW2 or SW3 to change the value, then short-press SW1 to save.
- Leave it alone for 10 seconds to exit.
If the unit shows an error code, look it up: Kinghome Heat Pump codes
Models
KU24UH2IKU36UH2IKU36UHOKU48UH2IKU60UH2IKU60UHO
Source: Kinghome Ultranixx cold-climate KU36/60UHO service manual GC202306, sec. 2.3.5 to 2.3.7. 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.