Error Code FF
Freezer fan motor is not running
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: FF LED blinks
What This Means
Fan motor wire disconnected; Motor bearing seized; PWM control signal lost; Motor winding failure
What actually causes this:
Fan motor burned out or connector loose
First Thing to Check
Unplug and check if freezer fan connector is fully connected
Parts Involved
How to Fix
- 1
1. Measure voltage at MAIN PCB CN20-16 to CN20-18
- 2
2. Voltage should be between 7V and 12V
- 3
3. Check fan motor connector seating
- 4
4. Listen for fan noise when powered
Other Error Codes for RF22R7351AZ
Freezer temperature sensor is broken or disconnected
Outside temperature sensor is not working
Ice storage room temperature sensor is not working
Flex Zone damper heater circuit is broken
Refrigerator temperature sensor is broken or disconnected
Flex-Zone temperature sensor is broken or disconnected
Control board IO expander chip is not working
Freezer defrost heater circuit is broken