Display shows 'NO PILOT' or 'PILOT FAULT', EV does not detect the charger, no charging starts.

Safety first: Turn off power at the breaker before opening the EVSE or working on the cable. Do not attempt to bend pins with power applied.

• Step 1 – Inspect J1772 plug: Examine the small pilot pin inside the J1772 handle. Ensure it is straight, clean, and not recessed. Clean light corrosion with contact cleaner and a non-metallic brush.
• Step 2 – Check cable strain relief: Look where the cable enters the EVSE enclosure. If the strain relief is loose or the cable has been sharply bent, the pilot conductor may have broken internally.
• Step 3 – Continuity test: With power OFF and cable disconnected from the board, use a multimeter to check continuity from the pilot pin in the J1772 handle to the pilot terminal on the main board. If open, replace the entire J1772 cable assembly.
• Step 4 – Board output check: If the cable is good, measure the pilot signal at the board (per OpenEVSE documentation, typically a 1 kHz ±12 V PWM). If no signal is present, the pilot generation circuit on the main board is likely defective and the board should be replaced.
• Step 5 – Verify configuration: Ensure the OpenEVSE firmware settings (via LCD or Wi-Fi interface) are not disabling the pilot or set to an invalid mode.