Error Code 46E
An internal chip on the main board that controls inputs and outputs has failed
Moderate
Address soon - your appliance may not work properly
Also displayed as: 46E
What This Means
Defective I/O expander IC on Main PCB; Communication bus fault; Defective Main PCB
What actually causes this:
Internal component failure on the Main PCB
First Thing to Check
Verify the refrigerator is fully powered and the 12V/5V supply voltages from the SMPS are correct
Parts Involved
How to Fix
- 1
Replace Main PCB and retest — I/O expander is integrated on the Main PCB
Other Error Codes for RF23A9771SR
The power coming into the refrigerator is dangerously high
The heater that prevents condensation on the showcase door panel has an open circuit
The power coming into the refrigerator is too low for the compressor to run
The second ice supply line heater has an open circuit
Freezer temperature sensor is reading an impossible value
Fridge compartment sensor is detecting an impossible temperature
Freezer defrost sensor is reading outside its valid range
Outside ambient temperature sensor has failed or lost connection