Error Code C-F2
Main to Touch PCB communication error - Communication failure between Main PCB and Touch control panel
Moderate
Address soon - your appliance may not work properly
What This Means
Disconnected touch panel harness; Defective harness connector; Software version mismatch; Faulty Main PCB; Faulty Touch control PCB
How to Fix
- 1
Check software versions by pressing Keep Warm + 3 for 3 seconds
- 2
Expected versions: Main 1204, Touch 02
- 3
Verify wire harness is properly connected
- 4
Reconnect harness if loose
- 5
Perform operation again to test
- 6
Replace Main or Touch PCB if communication not restored
Other Error Codes for NX58K7850SG
Shorted key - Keypad malfunction
PCB temperature too high - Safety error
Oven sensor opened (over 2950Ω) or shorted (under 930Ω)
Oven heating over - temperature exceeds safe limits
PCB sensor opened or shorted - Oven sensor error
Door lock malfunction - Lock motor or switch error
Main to Sub PCB communication error - Continuous communication failure between Main PCB and Sub display/fan control PCB
BLDC motor operation error - Cooling fan or air intake motor malfunction