Curtis 1520 Controller Manual [better] -

• 1 flash: normal
• 2 flashes: throttle wiper open
• 3 flashes: HPD (High Pedal Disable)
• 4 flashes: undervoltage
• 5 flashes: overtemperature
• 6 flashes: main contactor weld
• 7+ flashes: internal fault

• Never reverse battery polarity (instant destruction).
• Always use a precharge resistor on the main contactor.
• Ensure the controller is mounted to a clean, flat aluminum heat sink.
• The 1520 is not waterproof; keep it dry.

• Safety precautions
• Installation instructions
• Wiring diagrams
• Configuration and setup
• Troubleshooting
• Maintenance and repair

Provides full-speed, high-torque regenerative braking, allowing for better deceleration control and battery energy recovery without additional contactors. Programmability: Fully programmable using the Curtis 1313 Handheld Programmer 1314 PC Programming Station Safety Protections: curtis 1520 controller manual

Unlike the more common Curtis 1204 or 1205 (which are purely series motors), the 1520 offers regenerative braking and advanced throttle control, making it ideal for vehicles that need smooth deceleration. The Curtis 1520-5501 Go to product viewer dialog