The original specifies a standard 9-volt alkaline battery . This battery does not run the timer; it only saves the time and program during a power outage.

To force the light on, turn the wall switch off and back on within 2 seconds. The light stays on for 4–6 hours. To reset to automatic, turn the switch off for 10 seconds, then on. Sparks Direct Basic Troubleshooting Light Won't Turn On: Check wiring and bulb integrity. Light Stays On:

The manual explains the “why”; video walkthroughs show the “how”. Pair both for fastest learning.

The Nelson ES-34B manual provides a comprehensive guide to understanding and operating your irrigation controller. By following the setup, programming, and troubleshooting procedures outlined in this article, you'll be able to optimize water usage, reduce waste, and ensure a healthy and thriving landscape. Regular maintenance and updates will help extend the lifespan of your Nelson ES-34B, ensuring efficient and reliable water management for years to come.

Adjusts how long the light remains on after motion is detected. This ranges from approximately 5–10 seconds at the minimum to 7–10 minutes at the maximum.

The ES-34B uses or slide pins (small plastic clips that clip onto the dial edge).

Use H05RN-F / 3 x 1mm² cable. Connect the power to the pre-wired terminal block inside the base cover.

Try to avoid trees, shrubs, or areas where pets move frequently. For outdoor use, mounting under eaves is recommended. Adjustable Settings