Frigidaire Refrigerator H / HI error code
The high-temperature alarm is active — the inside of the fridge or freezer has stayed too warm for over an hour. The temperature display blinks and an audible tone sounds. The most common trigger is simply a door left open too long.
Also shown as: HI, H
Last updated: September 30, 2026
What causes the H / HI error?
- Door left open or not sealing fully
- Large amount of warm food added at once
- Power outage
- Cooling system problem
How to fix Frigidaire H / HI — step by step
Work through these in order, from simplest and safest first. Stop as soon as the code clears.
- Close and seal the doors
Make sure all doors and drawers are fully closed and sealing properly. - Wait for temperatures to recover
Give the fridge time to cool back down — the alarm stops once temperatures return to normal. - Reset if needed
Press CLEAR ALERTS or unplug for 30 seconds to clear a stuck alarm.
When to call a technician
- Alarm keeps returning with doors closed and sealed
- Fridge never reaches safe temperatures
- You hear unusual compressor noises
Frequently asked questions
What temperature triggers the high-temp alarm?
Frigidaire triggers it when the interior stays too warm for over an hour — often after a door is left ajar.
Sources
Every meaning and fix above was checked against official manufacturer documentation:
FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.
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