Error Code FZ High Temp
Freezer temperature is abnormally high
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: FZ temp indicator blinks
What This Means
Door left open for extended period; Hot food placed directly in freezer; Compressor not running; Defrost cycle issue
What actually causes this:
Door left open, power outage recovery, or cooling system failure
First Thing to Check
Check if door was left open and verify no recent power outage
Parts Involved
How to Fix
- 1
Check if door was left open or hot food was recently stored
- 2
Verify compressor is operating
- 3
Check for recent power outage
- 4
If recurrent without obvious cause, diagnose cooling system
This Error Applies To
Samsung RF28R7551S Series Refrigerators (2019) (2019–present)
Related Error Codes
Refrigerator temperature is abnormally high
Ice room thermistor is out of range
Humidity sensor voltage is outside valid range (0.6V to 4.7V)
Ice maker thermistor is out of range — ice making may be disrupted
Ice maker motor did not complete its initialization cycle
Flex zone compartment temperature is abnormally high