Curtis 3501 Manual |work| -

Connects to your chosen throttle mechanism (High, Wiper, Low). 3. Configuration and Programming

The hour meter records elapsed time whenever Pin 2 (Key-Switch) is active and the internal logic detects an active running state (or direct power, depending on hardware setup). A small hourglass icon typically flashes on the LCD screen to indicate that time accumulation is actively in progress.

Allow unit to cool down; check heatsink mounting and vehicle load. Throttle Fault Throttle input signal out of range. curtis 3501 manual

If you have a Curtis 3501 unit but lack the physical

You must assume that any vehicle you service could move unexpectedly. follow this protocol: Connects to your chosen throttle mechanism (High, Wiper,

(Note: Always disconnect the vehicle’s main battery pack before starting any electrical installation.) Typical Terminal Designations

If voltage is missing, check the vehicle's keyswitch, main fuses, and wire continuity. If voltage is present, the internal display may be damaged. The hour meter icon flashes, but hours do not increment. A small hourglass icon typically flashes on the

Plug diode connection (for systems utilizing internal or external bypass/plugging protection). Control Terminals (Low-Current Pins)

This guide breaks down the technical specifications, installation steps, and troubleshooting tips you would find in the official documentation. 1. Product Overview