The Sinotimer TM630S Go to product viewer dialog for this item.
Mastering Your Schedule: A Deep Dive into the Sinotimer TM630S
| Issue | Probable Cause | Solution |
| :--- | :--- | :--- |
| Display is blank | 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. | sinotimer tm630s manual
Prog repeatedly until you see "16 Off."Prog once more. The screen should clear.R (Reset) for 2 seconds inside the battery hatch.Mistakes happen. If the device is behaving erratically, the Sinotimer TM630S manual recommends two types of reset.
: The load turns on immediately and stays on constantly (ignores schedules). The Sinotimer TM630S Go to product viewer dialog
Enter Programming Mode: Press the "P" (Program) button. You will see "1 ON" on the display.
Use the Manual button to cycle through three modes indicated by a line on the screen: 0;16; ON: Forces the load to stay on, overriding all programs. AUTO: Runs your saved ON/OFF schedules.0;77d; OFF: Forces the load to stay off. 0;2a; Press Prog repeatedly until you see "16 Off
The Sinotimer TM630S is one of the most popular DIN-rail mounted digital time switches on the market, widely used for industrial control, street lighting, advertising signage, agricultural irrigation, and home automation. Despite its simple interface, the 16+2 keypad can be intimidating without proper guidance.