Kinghome Error Code Function lock icon: Wired controller keys locked (Heat Pump)
Kinghome error code Function lock icon on a heat pump means: Wired controller keys locked. It is also called Kinghome diagnostic code Function lock icon.
Homeowner? What Kinghome code Function lock icon means for you
Usually minor Your heat pump is reporting: Wired controller keys locked. This code is usually informational or minor. The safe checks below often clear it; call us if it keeps showing up.
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) 657-2977Book a service call
Licensed technicians serving Vaughan, Toronto and the GTA.
What does Kinghome error code Function lock icon mean?
The function-lock symbol on the wired controller shows that its keys are locked.
Applies to: Kinghome KM09HF1DI to KM24HF1DI wall mini-splits (Gree GFH..DA/DB)
Kinghome models that use code Function lock icon
KM09HF1DIKM12HF1DIKM18HF1DIKM21HF1DIKM24HF1DI
Other Kinghome Heat Pump codes
All Kinghome Heat Pump error codes →
Kinghome code Function lock icon: homeowner questions
What does Kinghome code Function lock icon mean?
Wired controller keys locked. The function-lock symbol on the wired controller shows that its keys are locked.
Is it safe to keep using my heat pump with code Function lock icon?
Usually yes. Code Function lock icon is normally minor, but if it keeps coming back have it checked.
Can I reset Kinghome code Function lock icon myself?
You can try one reset (power off for 30 seconds, then on). If Kinghome code Function lock icon comes back, the cause is still there and a licensed technician should check it.
Who can fix Kinghome code Function lock icon 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
Troubleshooting guides
- Force a defrost cycle from the remote Kinghome · Heat Pump
- Force a defrost from the outdoor board (debug item 06) Kinghome · Heat Pump
- Force cooling or heating from the outdoor board (debug item 09) Kinghome · Heat Pump
- Open the outdoor board debug menu (SW1 held 5 s) Kinghome · Heat Pump
- Start refrigerant recovery from the outdoor board (debug item 08) Kinghome · Heat Pump
- Start the pilot (test) run from the remote Kinghome · Heat Pump
- Switch between defrosting mode 1 and 2 Kinghome · Heat Pump
Source: Kinghome KM09-24HF1DI service manual, sec. 6.1 instructions for related displayed symbols. 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.