Error Code 45E
Main board lost communication with fridge compressor inverter
Moderate
Address soon - your appliance may not work properly
Also displayed as: 45E
What This Means
Communication cable loose or damaged; Failed R Comp Inverter PCB; Failed Main PCB
What actually causes this:
Wiring connector between Main PCB and R Comp Inverter PCB is loose or the R Comp Inverter has failed.
First Thing to Check
Reseat all connectors between the Main PCB and R Compressor Inverter PCB.
Parts Involved
How to Fix
- 1
Inspect cable connections between Main PCB and R Compressor Inverter PCB
- 2
Oscilloscope verification of communication signals
- 3
Replace R Comp Inverter PCB; if error persists, replace Main PCB
Other Error Codes for RF34H9950S4
Cool Select Room fan stopped or not sending feedback
Chef Pantry fan motor has stopped
Internal fridge humidity sensor disconnected or failed
Fridge temperature sensor has failed or is disconnected
Chef Pantry temperature sensor has failed
Cool Select Room sensor failed or disconnected
Fridge defrost sensor disconnected or failed
Cool Select Room defrost sensor failed