Garage door opener does not power on at all; no lights or display on BFT unit.

Safety: Verify power is off before opening the operator.

• Check breaker: Reset the dedicated breaker or replace blown fuses in the distribution panel.
• Test outlet: Plug another device into the outlet to confirm it has power.
• Inspect cord: Look for cuts or crushed sections on the opener's power cord.
• Replace internal fuse: Open the BFT housing and locate the main fuse on the control board. Test and replace with the same rating if blown.