Question about Intermatic & Indoor/Outdoor Rain Tight Timer

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New 220 timer put in ,wont turn on.Vsiual chek working and its keeping time,switches look good but woont kick on?

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I wish I knew the model number.
maybe the wiring is wrong, but different model numbers have different wiring.

I wrote a page on each the T-104 and T-1906 240V timers:
It shows the wiring for 2 common Intermatic timers

Now let's troubleshoot a bit:
You say the dial is rotating around.
And the dial has tripper pins in place.
What about the manual override? Does the manual override turn lights on and off?
If manual override does not turn on the Load, then your wiring is suspect.
If manual override works, then your wiring could still be wrong by one wire.

Check your tripper pins.
Are they attached and set exactly right?
Are you using both ON trippers and OFF trippers?
New 220 timer put in ,wont turn on.Vsiual chek - 1565897.jpgThe OFF tripper pushes a lever. The lever is connected to Manual override. Click manual override to see if timer can turn Load ON-and-OFF

Up-vote if this information helped. Thanks for the feedback.

Posted on Oct 15, 2010


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I have the Intermatic T-104. Hate to toss things out if it's just a minor problem. The timer keeps accurate time. The "on" switch doesn't work; the "off" switch does. I...

Open following link to determine if timer is bad:

Key things are clock dial rotating on timer, and manual override lever turning load ON-OFF.
If clock motor is rotating and keeping good time, then you know that timer is receiving 240Volt from circuit breaker.

Check for loose wiring, and then check if you have 240V across terminals 2 and 4.
If you have 240volt across terminals 2 and 4, then that says 240V is going to Load, and that load is suspect.

Buy cheap multimeter from hardware: set multimeter to read 240 or 250V, and put test prongs on terminals 2 and 4, and then move override lever and test again.
Safety: Tape multimeter leads to wood sticks to keep hands away from power. Stand on dry boards. Use adequate light.

If timer is genuinely bad, then you can buy timer insert: T104M
Usually it is cheaper to buy whole new T014, and then snap new mechanism into old box.

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Intermatic Support can be reached at the following phone number:



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