Fujitsu Error Code Outdoor LED1 19 flashes: High compressor temperature (outdoor board LED) (Heat Pump)
Fujitsu error code Outdoor LED1 19 flashes on a heat pump means: High compressor temperature (outdoor board LED). It is also called Fujitsu diagnostic code Outdoor LED1 19 flashes.
Homeowner? What Fujitsu code Outdoor LED1 19 flashes means for you
Call a technician Your heat pump is reporting: High compressor temperature (outdoor board LED). 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) 657-2977Book a service call
Licensed technicians serving Vaughan, Toronto and the GTA.
What does Fujitsu error code Outdoor LED1 19 flashes mean?
Multi-zone 18/24 outdoor board: LED1 flashes 19 times while the other LEDs stay off. Same fault family as indoor code A3. The LEDs sit on the back side of the board and are seen through a hole.
Applies to: Fujitsu 18 type (2-zone) and 24 type (3-zone) multi outdoor units
Common causes of Fujitsu code Outdoor LED1 19 flashes
- Low charge
- Restriction
- Poor airflow
Other Fujitsu Heat Pump codes
All Fujitsu Heat Pump error codes →
Fujitsu code Outdoor LED1 19 flashes: homeowner questions
What does Fujitsu code Outdoor LED1 19 flashes mean?
High compressor temperature (outdoor board LED). Multi-zone 18/24 outdoor board: LED1 flashes 19 times while the other LEDs stay off. Same fault family as indoor code A3. The LEDs sit on the back side of the board and are seen through a hole.
Is it safe to keep using my heat pump with code Outdoor LED1 19 flashes?
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 Fujitsu code Outdoor LED1 19 flashes myself?
You can try one reset (power off for 30 seconds, then on). If Fujitsu code Outdoor LED1 19 flashes comes back, the cause is still there and a licensed technician should check it.
Who can fix Fujitsu code Outdoor LED1 19 flashes near me?
Aurora Star Tech Inc. repairs Fujitsu 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: Fujitsu Outdoor unit 18-24 type (North American trilingual) installation P-N 9374747160.pdf - section 8.2 Outdoor unit LED. 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.