Pool timer has voltage but clock and pump motor will not run

T104M used WG1573 clock motor:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/How-to-replace-Intermatic-clock-motor.html
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100
The timer mechanism has metal gears, while the clock motor has plastic gears. If the metal gears get dirty and bind, it will strip the plastic gears.
Turn off power, pull timer out of box, Clean out timer with compressed air, and spray WD40, add a bit of white grease to lever where trippers make contact, then replace clock motor ... and buy another set of trippers to have on-hand since they are designed to wear down so timer will last longer.
If timer body is broken so dial does not rotate, then buy new T104 and snap new mechanism into old box. Buying whole T104 with enclosure is cheaper than buying T104M mechanism only.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

T104M is 208-277 timer mechanism that fits inside any Intermatic enclosure.
If voltage is not correct, then clock motor will not operate.
Since you did not say what voltage, I assume you have 240Volt pool pump.
Open following link to see the many ways to wire this timer:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
It is possible that you have the Load and Line wires reversed.
Line wire come from circuit breaker, and Load wires go to pump.

If the T104M mechanism is part of a control panel with more than one timer, and/or a freeze control, then re-post question with more specific information.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

1) T103 is 120Volt timer that can control multiple loads and different voltages..
If new timer dial stops turning after the tripper passes, then wiring from circuit breaker is probably reversed with wiring going to pump.
Open following link to identify correct wiring:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T103

2) Add a comment for specific help with wiring, and I will respond.
Give details of pump voltage, and description of each wire.

3) To fix old timer, Replace 3-watt, 120Volt WG1570 clock motor.
Open following link for illustrations showing how to replace clock motor:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html#clock

4) Take a moment and rate answer:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Sounds like the clock leads are on the wrong posts, or at least the hot one is. If if was moved to the load side then manually starting the timer will also power up the clock motor. As soon as the clock trips the off timer, the pump and the clock motor are both off. Examine the clock leads to the wiring diagram inside the clock box cover to ensure they are connected correctly. I bet you'll find one of the wires is misplaced.

John

Sounds like you lost power to the timer. Look in your electric panel for a tripped breaker. Turn it OFF then back ON.

Could be loose wiring, or bad clock motor.
Check if wires are connected, and make sure only the copper part of wire and no insulation is under the screw plate.
Make sure all wires are same gauge so that screw plate clamps down on wires.
Open following link to identify timer and then add a comment with model number and voltage for possible help. Tork T1100 series has replacement clock motor.
http://waterheatertimer.org/Tork-timers-and-manuals.html

Your Intermatic timer has a manual override.
The override is a good diagnostic.
Click the manual override and see if pump turns on and off.

Next, watch if the clock is rotating.
If the clock is rotating, the OFF tripper may be worn out and you need a new tripper



If the clock wheel is not rotating, you need a new clock motor.
If you have T104, your clock motor is 240Volts
If you have T101 or T103, your clock motor is 125Volts
Buy trippers and clock motors at Grainger
Clock motor replacement takes a small star-screwdriver bit
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

If your manual override is not working, then the gears might be rusty and need to be cleaned or your timer needs to be replaced.
You can buy same model number timer and then swap the insides without changing boxes.

Add a comment if you need more help.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

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

Usually the timer motor is bad when that happens. Replacement timer motors are available from websites like this one:
http://www.aplussupply.com/intermatic/timermotors.htm

Be sure to get the right voltage timer motor. Intermatic T101's and T103's use a 120 volt timer motor (Cat# WG1570) and the T104 uses a 240 volt timer motor (Cat# WG1573).

If you don't want to mess around replacing the timer motor, you can purchase a new timer, and as long as the existing enclosure is in good shape, just swap out the guts.

Intermatic Timer Motor WG1573 / WG1573-5 clock POOL FIX .. EBAY .. TO INSTALL THIS MOTOR REMOVE SCREW ON LEFT AND JUST BACK SCREW ON RIGHT A FEW TURNS, TIMER WILL ROCK UP OUT OF BASE THIS WAY . UN-HOOK WIRES ONE AT A TIME AND INSTALL WIRES FROM NEW MOTOR ONE AT A TIME.. THESE TWO WHITE WIRES GO TO LINE 1 AND 2 THESE ARE THE WIRES THAT GO TO THE 220 VOLT BREAKER ... NEED MORE HELP JUST GIVE ME A BUZZ.. JAY .. AND PLEASE VOTE .. THANKS JAY