Based on the alphanumeric designation "ZN-401S," this device is most widely identified as a Heavy-Duty Digital Programmable Timer Switch (often used for industrial control, street lighting, or water pump automation).
Step 2: Press and hold CODE SEARCH until the light stays on. Step 3: Press the device button (TV, VCR, or DVD) once. zn-401s manual
Terminals 6–8 (Sensor Input):
Many manufacturers provide QR codes inside the manual linking to video tutorials. Search YouTube for “ZN-401S setup” but cross-check steps with your official PDF. Based on the alphanumeric designation "ZN-401S," this device
Don't Over-Inflate: Always refer to your vehicle's door placard for the recommended PSI, rather than the "Max PSI" listed on the tire sidewall. Based on the alphanumeric designation "ZN-401S