Intermatic T103 Indoor 120-Volt 40-amp Timer Switch-Double Pole/Single Thro Logo
A
Anonymous Posted on Jun 26, 2010

Timer stopped running so I replace timer motor. However the timer still does not run. I can still turn pool pump on manually. Will I have to replace entire unit?

1 Answer

A

Anonymous

T103 clock motor is 125 volt WG1570
1) If you bought the 240V WG1573, the clock will not operate
2) If you connected the motor wires to wrong terminals, then clock will not operate.
3) If original box label says T103, but 240V T104 was installed in same box, and you bought wrong voltage motor
4) Test for 120Volts across terminals A and 1, and make sure clock motor matches voltage of timer, and clock motor wires are connected to terminals A and 1.
Open following links:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#103

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