Curtis 3501 Manual Jun 2026

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Once powered on, the Curtis 3501 initializes with a self-test screen, displaying all segments momentarily before shifting to its primary operating mode. Reading the Display

Digital logic input that dictates forward directional travel when connected to B+. curtis 3501 manual

Sets the time (in seconds) it takes for the controller to transition from 0% to 100% output. A higher value prevents the vehicle from jerking forward.

The battery is safely in its mid-range operating capacity. This public link is valid for 7 days

, providing precise voltage readings for lithium or lead-acid batteries, and an hour meter to track total and maintenance hours.

Always install a 0.5 Amp inline fuse on the main V+ supply line to protect the electronics. Can’t copy the link right now

Always use a fuse (typically 0.5A to 1A) on the positive lead to protect the internal circuitry. 4. Programming and Configuration

High Pedal Disable (HPD). The throttle was applied before the keyswitch or interlock switch was turned on.

: Auto-ranging from 12V to 80V DC (nominal), with an absolute range of 9V to 100V DC. Operating Temperature :

If your Curtis 3501 indicator stops functioning correctly, utilize the following diagnostic steps to identify and resolve the root cause. Symptom: Blank LCD Screen