Sinotimer Tm630s Manual ❲SAFE – Fix❳

| Problem | Possible Fix | |-----------------------|-----------------------------------| | Display not lighting | Check AC power wiring | | Timer won’t start | Press RST after programming | | Output stays on/off | Incorrect mode selected | | Relay chattering | Check load current / loose wire |

According to the Sinotimer TM630S manual, you must set the internal clock before programming timers. The relay will not trigger if the clock is wrong.

Step-by-Step Clock Setting:

Pro Tip: The TM630S allows a 24-hour format. To switch, press the - button while setting the hour until the AM/PM disappears.

The Manual button toggles between three modes: sinotimer tm630s manual

Crucial Step: For the timer to work automatically, the display must show AUTO. If you manually turn it ON, you must press Manual until it cycles back to AUTO for the programmed events to take over.

If you are looking at the Sinotimer TM630S manual diagram, you will see a 16-character LCD screen and 6 primary buttons below it. However, there is a "hidden" 8th button inside the battery compartment. Pro Tip: The TM630S allows a 24-hour format

If your manual doesn't match, check if you have the TM630S-2 (which has dual channels/outputs) or the TM630S-A (which has astronomical clock functions). The base TM630S covered here is the single-channel 16A/25A version.