While holding the Clock button, press repeatedly until the correct day of the week is displayed at the top of the screen (Mo, Tu, We, Th, Fr, Sa, Su).
| Issue | Probable Cause | Solution | | :--- | :--- | :--- | | | No power or battery depleted | Connect to power for 10+ minutes to charge. Check wiring. | | Timer does not switch | Mode is set to "ON" or "OFF" | Press Manual button until "AUTO" is displayed. | | Timer switches at wrong time | Incorrect Clock time or AM/PM error | Verify the current time is set correctly (check AM/PM icon). | | Program not working | Invalid program logic | Ensure 1 ON and 1 OFF times are set correctly and not overlapping. | | Cannot set time | Lock function active | Some models have a key lock; wait 10 seconds for the screen to unlock or check the manual for unlock procedure. |
The Sinotimer TM630S manual—once a small, anonymous booklet in a drawer—had guided wires and settings, but it had done more: it had reset more than a timer. It had reset an old rhythm, rebuilding a chain of hands that worked with clay and heat and patience. In the margins, under notes of wiring and troubleshooting, someone had once written, “Keep steady.” The machine, the manual, and the people who read it did exactly that.
Press the C/R (Cancel/Recall) button 4 times quickly. The "a" or lock icon on the screen will disappear. 2. Setting Current Time Press and hold the CLOCK button. While holding CLOCK , press: D+ (Day): Set the current day of the week (Mo, Tu, We...). H+ (Hour): Set the current hour. M+ (Min): Set the current minute. S+ (Second): Set the current second. 3. Setting ON/OFF Events Press P (Timer) once; "1 ON" appears.
Press the quickly to unlock it. The "a" symbol will disappear. 2. Setting the Current Clock and Day
Ensure the mode is set to AUTO . If it is set to "ON," it will stay on regardless of the program. sinotimer tm630s manual
The Sinotimer TM630S manual emphasizes one core truth: this is a reliable, no‑nonsense 16‑program timer you correctly set day groups, use the AUTO mode, and keep the backup battery charged. For industrial or home automation on a budget, mastering the TM630S via its manual unlocks years of trouble‑free operation.
Puts the device in automation mode. It will follow your programmed 28 ON/OFF schedules.
Connect the neutral wire of your appliance to Terminal 3 (N) and the live/hot wire of your appliance to Terminal 4 (Lout). For Dry Contact Models
If you need help setting up a specific scheduling scenario, let me know you are controlling, your desired daily schedule , and your model's voltage so I can provide customized steps. Share public link
The manual identifies six key components on the TM630S: While holding the Clock button, press repeatedly until
Press until you find the specific ON or OFF setting you want to remove.
Before programming, familiarize yourself with the interface:
Built-in 3V CR2450 battery (retains program settings during power outages). Time Error: Less than 2 seconds per day. 2. Terminal Layout and Wiring Diagram
Built-in rechargeable CR2450 button cell (retains program memory during power outages). Display: Multi-functional LCD. Button Functions
Due to its robust design and 30A load capacity, it is widely used for controlling street lamps, neon signs, water heaters, air conditioners, billboards, rice cookers, sprayers, bottling machines, and broadcasting equipment. It’s a trusted fixture in modern automation. | | Timer does not switch | Mode
This comprehensive manual covers the technical specifications, wiring, and step-by-step programming for the TM630S.
Connect the live/hot wire from your main power source here.
Press the button once. The screen will display 1 ON on the left side, indicating you are setting the turn-on time for program 1. Step 2: Select Days of the Week
Check your wiring diagram. Ensure that terminals 3 and 4 are sending power directly to the load. Verify the appliance wattage doesn't exceed the rated amperage. Programs are ignored