Question about Intermatic T101 - 24 Hr. Dial Time Switch - NEMA 1 Indoor Steel Case - Gray
My timer clock on my pool has been working fine for the last 19 years, but now the dial won't turn. I have to start it manually and set the time. When I check it a few hours later, the time is still set to the previous time set and the dial didn't turn. Any ideas what cause this?
Most likely, the timer motor has failed and needs to be replaced. As the timer motor is constantly running 24/7, getting 19 years of use is significant and is well beyond the typical life of a mechanical timer of this type. I know, I've got the same ones on my pool and usually have to replace them every 10-12 years.
As the timer IS 19+ years old, it would be best to replace the entire unit instead of looking to tyr to get just a replacement timer motor, since the cost for a new timer isn't all that much compared to the cost for just the motor.
Intermatic also makes a digital timer version of this type of timer, but for the relatively low price of a new, replacement mechanical timer, it might be a good idea to get another one like you have and expect another long working life.
Sorry that there really isn't much to repair in such an old timer, since the motor is the critical part.
The replacement should be easy to do yourself, just remember to turn off the power breaker and disconnect the power to the timer. All you need to do is exchange the wires into the new replacement timer I find that taking a picture of the timer as it is, will help you get the connections correct for the new timer.
Also, check the model number of your present timer and voltage, (some pool equipment is 100V-AC while others are 220V-AC) to get the correct replacment timer.
Hope you find this Very Helpful and best regards.
Posted on Sep 09, 2009
Testimonial: "Thanks. I took it apart and found the motor and replaced it for a cost of $35! Found out later the timer was install in 1979, 30 years of service!"
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Posted on Jan 02, 2017
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