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Kinghome Error Code Heat lamp: Heat lamp lit (heating mode) (Heat Pump)

Updated · by Aurora Star Tech Inc.

Kinghome error code Heat lamp on a heat pump means: Heat lamp lit (heating mode). It is also called Kinghome diagnostic code Heat lamp.

Low severityHeat PumpKinghome KM HT1DI

Homeowner? What Kinghome code Heat lamp means for you

Usually minor Your heat pump is reporting: Heat lamp lit (heating mode). 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 Heat lamp mean?

The Heat lamp on the indoor unit lights when heating mode is selected. After heating starts the indoor fan waits roughly 1 to 5 minutes before blowing so cold air is not discharged. In fan-only mode all mode lamps stay off.

Applies to: Kinghome KM09HT1DI, KM12HT1DI, KM18HT1DI, KM24HT1DI wall mini-splits

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 Heat lamp

KM09HT1DIKM12HT1DIKM18HT1DIKM24HT1DI

Other Kinghome Heat Pump codes

CodeMeaning
H3Compressor overload protection
H4Overload protection (high condensing pressure)
H5IPM module protection
H6Fan motor feedback fault (indoor or outdoor)
H7Compressor out-of-step
HCPFC protection
Heat lamp 10 s on / 0.5 s offDefrosting in heating mode
L3Outdoor DC fan motor fault
L9Power limit protection
LCCompressor start failure
Lock iconRemote keypad locked
LPIndoor and outdoor unit mismatch

All Kinghome Heat Pump error codes →

Kinghome code Heat lamp: homeowner questions

What does Kinghome code Heat lamp mean?

Heat lamp lit (heating mode). The Heat lamp on the indoor unit lights when heating mode is selected. After heating starts the indoor fan waits roughly 1 to 5 minutes before blowing so cold air is not discharged. In fan-only mode all mode lamps stay off.

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

Usually yes. Code Heat lamp is normally minor, but if it keeps coming back have it checked.

Can I reset Kinghome code Heat lamp myself?

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

Who can fix Kinghome code Heat lamp 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

Source: Kinghome KM09-12-18-24HT1DI service manual, sec. 6.1 remote controller operation, mode button; sec. 6.2. 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.

Emergency HVAC Service

647-657-2977