EMERGENCY STOP button
Where: Rear right corner of truck box, right of AC output panel.
Red/white decal with arrow.
How: Press firmly. Button locks in place.
What it does: Cuts inverters · disconnects AC In/Out ·
disconnects alternator · disconnects MPPT (all solar) ·
isolates batteries (still charged).
Reset: Only after Lightnin clears the unit.
Truck Alternator
Best practice: shut off the truck engine if you can safely reach the cab.
Cab switch (left of steering wheel): not required during an emergency —
E-stop covers the alternator disconnect.
Indicator illuminated = alternator fault. Leave switch OFF until Lightnin clears it.
Do NOT
- Open the personnel door during a fire or any temperature alert
- Touch camlock connections when energized
- Try to extinguish a battery fire yourself
- Spray water on energized AC panels
- Reset EMERGENCY STOP until Lightnin clears the unit
- Turn alternator on after fault light illuminates
Evacuation sequence
- Hit EMERGENCY STOP (covers alternator + MPPT/solar; sufficient on its own)
- Engine OFF if cab is safely reachable (cab alternator switch not required)
- Move personnel 50+ ft from the truck
- CALL 911 if any fire / smoke / thermal sign
- Call Lightnin: 678-472-5682 / 470-244-3905 / 877-433-0313
- Designate briefer for Fire Dept.; hand them the Fire Dept. Card