Error Code 52
Main board and WiFi module cannot communicate
Moderate
Address soon - your appliance may not work properly
Also displayed as: 52Er
What This Means
WiFi module connector loose or disconnected; Damaged communication cable to WiFi module; Defective WiFi module; Defective Main PCB
What actually causes this:
The WiFi/BT module connector has loosened or the module has failed.
First Thing to Check
Check that the WiFi module connectors CN602 and CN603 on the LCD PBA are firmly seated.
Parts Involved
How to Fix
- 1
Check cable connection between Main PCB and WiFi module
- 2
Verify WiFi module connector is seated on LCD PBA (CN602/CN603)
- 3
Replace WiFi module first, then Main PCB if issue persists
Other Error Codes for RF29CB9900QKAA
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Ambient air temperature sensor reading invalid
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Fridge compartment defrost sensor reading out of valid range