What C-F0 / C-F1 / C-F2 Means
C-F0, C-F1 and C-F2 are the communication error group on Samsung’s US microwave article: a problem in the link between the microwave’s own control boards. Samsung’s C-F0 on a range names a different communication path on a different appliance with different boards.
Common Causes of C-F0 / C-F1 / C-F2
- Loose or damaged connector between control boards
- Main or display board failure
🔧 One Safe Check You Can Try
Power the microwave off at the plug or breaker for about 60 seconds, then restart. If C-F0, C-F1 or C-F2 returns, the board connection needs testing.
⚠ Why You Shouldn't Go Further Than That
- The control boards sit close to the magnetron’s high-voltage circuit, and that area is opened by a technician with the capacitor discharged first.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.

