Manual - Curtis 3501

Typically involves holding specific button combinations (refer to section 2.6 of the manual). Change Settings: Navigate through menus like 10 CHANGE SETTINGS (Maintenance), and 40 SET CLOCK Passcodes:

The first and most important step to mastering the 3501 is securing the correct documentation.

6-digit or 8-digit LCD with character heights optimized for operators reading the panel at a distance.

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Check the high-current terminal nuts for proper tightness. Loose connections cause high resistance, excessive heat build-up, and can melt the plastic housing.

: You can set intervals for service alerts (e.g., oil changes, motor checks).

Verify all terminal bolts and mounting screws are tight. Vibration can loosen connections over time. curtis 3501 manual

Connection point for the armature plug diode/bypass circuit or specific field configurations. Low-Power Control Wiring (Multi-Pin Plug)

Always disconnect the main battery pack positive (+) and negative (-) cables before working on the controller.

Check the Keyswitch Input (PIN 7) for proper B+ voltage (12-80V). Which would you like next

If you want, I can:

Below are the most common fault codes found in Curtis series/separately excited controllers: Fault Description Potential Causes Recommended Action Normal Operation Controller is active and operating correctly. No action required. 1, 1 Thermal Cutback Controller temperature is over 85°C or under -25°C.

Allows users to select the correct discharge curve for their battery type (e.g., Lead-Acid, Gel). 4. Troubleshooting and Maintenance If the unit malfunctions, consult the following guidelines. : You can set intervals for service alerts (e