Kinghome Error Code C5: Jumper cap missing or wrong (Heat Pump)
Kinghome error code C5 on a heat pump means: Jumper cap missing or wrong. It is also called Kinghome diagnostic code C5.
Homeowner? What Kinghome code C5 means for you
Check, then call Your heat pump is reporting: Jumper cap missing or wrong. This is often caused by something simple. Try the safe checks below; if the code returns, book a service call before it turns into a no-heat or no-hot-water emergency.
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 C5 mean?
The mainboard does not see a valid jumper cap, so the remote and buttons are received but commands are not processed.
Applies to: Kinghome KM09HEDI, KM12HEDI, KM18HEDI wall mini-splits; Kinghome KM09HT1DI, KM12HT1DI, KM18HT1DI, KM24HT1DI wall mini-splits; Kinghome KM09HF1DI to KM24HF1DI wall mini-splits (Gree GFH..DA/DB)
Common causes of Kinghome code C5
- No jumper cap fitted
- Cap inserted wrongly
- Damaged cap
A technician checks these and 1 other possible causes on site before replacing any part.
Kinghome models that use code C5
KM09HEDIKM09HF1DIKM09HT1DIKM12HEDIKM12HF1DIKM12HT1DIKM18HEDIKM18HF1DIKM18HT1DIKM21HF1DIKM24HF1DIKM24HT1DI
Other Kinghome Heat Pump codes
All Kinghome Heat Pump error codes →
Kinghome code C5: homeowner questions
What does Kinghome code C5 mean?
Jumper cap missing or wrong. The mainboard does not see a valid jumper cap, so the remote and buttons are received but commands are not processed.
Is it safe to keep using my heat pump with code C5?
It depends on the cause. This is often caused by something simple. Try the safe checks below; if the code returns, book a service call before it turns into a no-heat or no-hot-water emergency.
Can I reset Kinghome code C5 myself?
You can try one reset (power off for 30 seconds, then on). If Kinghome code C5 comes back, the cause is still there and a licensed technician should check it.
Who can fix Kinghome code C5 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 KM09-12-18HEDI service manual, sec. 9.3 status table and 9.4 troubleshooting; Kinghome KM09-12-18-24HT1DI service manual, sec. 9.1 error code list; Kinghome KM09-24HF1DI service manual, sec. 11.1 error code list. 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.