12V DC, 24V DC, 110V AC, or 220V AC (Verify your specific model's label before wiring). Switching Capacity: 30A Resistive load, 15A Inductive load. Time Control Range: 1 second to 168 hours. Programs: 28 On/Off settings per day. Countdown Mode: 1 second to 99 minutes and 59 seconds.
: The load is currently on, and it will follow your programmed schedules moving forward. sinotimer tm630s manual
Press until you find the specific ON or OFF setting you want to remove. 12V DC, 24V DC, 110V AC, or 220V
| Problem | Most Likely Cause | Solution | | :--- | :--- | :--- | | | Power failure or dead backup battery | Check mains power. Replace internal battery (1.2V Ni-MH). | | Timer does not turn ON | Mode is set to "Off" (Manual override) | Press Manual/Auto until "Auto" is on screen. | | Timer turns ON/OFF at wrong times | AM/PM confusion or wrong day set | Re-enter clock setting mode. Verify "AM/PM" status. | | Relay clicks but no output power | Inductive load welded the contacts | Load exceeds 16A inductive. Replace relay or reduce load. | | Unit resets every Wednesday | Internal battery voltage is too low (<1.0V) | Replace the Ni-MH battery (soldering may be required). | | Cannot enter programming mode | Keyboard lock is active (rare) | Press and hold Clock + Prog for 10 seconds to unlock. | Programs: 28 On/Off settings per day
Before installing or maintaining your timer, always observe these critical safety precautions to prevent electric shock or damage to the device:
The timer controls the power automatically based on your programmed schedules.
Tip: To delete a specific program while editing it, press the button. The screen will show dashes ( --:-- ) indicating that the specific slot is cleared. Switching Between Auto and Manual Modes