Sinotimer Tm-630s Manual May 2026

Always disconnect mains power before opening the terminal cover or changing wiring. Voltages inside can be lethal. Last updated: October 2026. This guide is for informational purposes. Always refer to the original product documentation for specific model variations.

– Simple 24-hour repeating timer with one ON time and one OFF time. sinotimer tm-630s manual

However, like many multi-function digital timers, the TM-630S can be intimidating at first glance. The button labels are small, the instructions (often printed on a single folded sheet) are frequently lost, and the "manual" is not always easy to decipher. Always disconnect mains power before opening the terminal

A: The TM-630S uses a crystal oscillator. ±0.5 seconds/day is normal. If losing minutes, the internal crystal may be damaged. Press R and reset. like many multi-function digital timers