Error Code 1
The freezer temperature sensor is not working
Moderate
Address soon - your appliance may not work properly
Also displayed as: 1
What This Means
Thermistor connector disconnected; Thermistor defective or open circuit; Main PCB defect
What actually causes this:
The temperature sensor wire is disconnected or the sensor failed
First Thing to Check
Check if the freezer is cooling at all — if not, the sensor may be the issue
Parts Involved
How to Fix
- 1
1. Check voltage between Main PCB CN30 pins 1 and 3 should be within 4.5V to 1.0V range
- 2
2. Reconnect sensor if loose
- 3
3. Test thermistor resistance at reference temperatures
- 4
4. Replace thermistor if out of range
Other Error Codes for RF28M9580
The freezer fan is not working
The main control board can't talk to the display
The ice bucket heater is not working
The FlexZone compartment has gotten too warm
The humidity monitoring sensor is not working
The outdoor temperature sensor is not working
The FlexZone defrost sensor is failing and defrost cycles may not work
The freezer defrost sensor is failing and defrost cycles may not work