Curtis 1520 Controller Manual Fix May 2026

Always install a properly rated main fuse in the B+ line.

The throttle signal is outside the programmed range. Check for loose wires or a faulty potentiometer. curtis 1520 controller manual

Indicates a self-test failure. Often requires a power cycle or indicates internal damage. Always install a properly rated main fuse in the B+ line

Adjusts the strength of regenerative braking when the throttle is released or the brake is applied. curtis 1520 controller manual