Error Code EXT-SENSOR
Outdoor temperature sensor not working
Moderate
Address soon - your appliance may not work properly
Also displayed as: LED blinks
What This Means
External sensor wiring broken; Sensor thermistor failure; Connector CN60 pin 3-5 open or shorted
What actually causes this:
Sensor wiring damaged by weather or connector issue
First Thing to Check
Check external sensor wiring harness for damage or moisture
Parts Involved
How to Fix
- 1
1. Check voltage at MAIN PCB CN60-3 to CN60-5
- 2
2. Expected voltage range: 4.5V to 1.0V
- 3
3. Verify sensor located on exterior unit wall
Other Error Codes for RF24R7201FA
Freezer temperature sensor not working
Water overflowing from ice maker or water dispenser
Compressor will not start
Fridge getting too warm
Control panel not communicating with main board
Ice dispenser duct not heating
IO expander chip not responding
Freezer defrost heater not heating