Error Code C-F2
Loss of communication with touch panel interface
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: C-F2
What This Means
Sub PCB connector improperly inserted; Damaged ribbon cable from touch panel; Defective Sub PCB; Faulty Control PCB
What actually causes this:
Loose ribbon cable, connector failure, or faulty touch PCB circuitry
First Thing to Check
Inspect touch panel ribbon cable connections at Sub PCB connector
Parts Involved
How to Fix
- 1
Check whether connector of Sub PCB has been inserted
- 2
Check ribbon cable from touch panel for damage or disconnection
- 3
Inspect connector pins for corrosion or damage
Other Error Codes for NQ70M7770DG
PCB internal temperature sensor malfunction
Control board temperature exceeds safe limit
Water not draining from oven cavity after cycle completion
Shorted keypad keys detected
Loss of communication between control boards
Temperature probe sensor short circuit detected
Magnetron or convection cooling fan not operating correctly
Temperature sensor open circuit or short detected during operation