1) Manual switch is working, and that says electricity, circuit breaker, wiring, and pump are good. If timer dial is rotating and keeping good time, then order new 156T1978A trippers. If dial is not rotating, then order 240Volt WG1573 clock motor.
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Timer is not identified. Voltage is not known. Is this a new timer installation, or older timer that worked before. Problem cannot be solved without knowing timer model number and voltage, and if timer worked before or if this is new timer. Read information below, and then add a comment with missing information.
2) For additional information: Question posted under Intermatic T100 series outdoor timer, but model number is not given, and steps taken so far are not known. Add a comment any time, and it sends email and I will respond with more detailed information.
3) Check that floodlights are not burned out, and that outdoor sockets are not dirty and cause bulb not to contact electric current.
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Sound is coming from 3 watt clock motor located on back of timer mechanism. It is not a problem unless clock motor is running slow. You can turn power off, remove mechanism from enclosure using thumb spring located top inside box. Spray WD-40 on clock gears and see if sound stops. WD40 vapor is highly flammable accelerant so don't spray on hot surface or live electric connections. WG1573 clock motor can be purchased separately.
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Here are a few other things you can check.
If you manually switch the timer to ON, is there power to the load terminals?
If your pump is plugged in, is there power to your pump electrical outlet?
If your pump is hard wired, is there power to your pump terminals?
If any of these answers is YES, the timer is not the problem.
Thank you for including timer model number. Stationary pointer is pointed at 6:00 position on T100 series timers. Pointer is not functioning part of timer mechanism except to point location for current time.
Yeah, I have seen tons of these units fail early. Usually someone stripped the gears.
Another approach, in terms of lighting control, is use dusk to dawn or timed motion sensors. They are always "on time" where the clock needs to be changed many times over the course of season changes, etc.
They do not need to be reset after power failure or daylight savings, they just always work/
In a commercial building, interior lights should be on 24/7 OR motion sensors, and external lights Dusk to dawn.
In residential, motion with duration timer systems seem to work the best. Replace the Intermatic. Even the digital Intermatic requires user intervention all the time.
If you have 2 hot wires, then you have 240Volt circuit from breaker box. T8845PV is 120Volt timer. How to wire for 120Volt: Use one hot wire to connect to LINE terminal. Cap off other hot wire. Then connect bare ground wire to terminal marked NEUTRAL. This is not code, but it will work until you have time to run 120Volt line from nearby 120Volt outlet. Read about 120 and 240Volt circuits http://waterheatertimer.org/B220C.html
T8845PV is 120Volt timer, made to control 24Volt sprinkler valve. Inside the timer, there are two wiring terminals marked LINE and NEUTRAL 120Volt cable from circuit breaker has black hot wire and white neutral wire. Connect black hot to terminal marked LINE Connect white neutral to terminal marked NEUTRAL
1) If manual override lever does not manually click back and forth crisp and clean, then timer parts are bad or dirty: Turn off power, and blow out the timer, and then spray WD40. Replace timer.
2) If manual override works fine when moved manually, then trippers are probably worn and need replacement. Trippers are made of softer metal so they wear down before the timer wears out. Replacing trippers and clock motor can keep timer working for decades.
Timer that worked before and stopped working: could be clock motor or trippers New timer installation: possibly the wiring from breaker box and wire to Load are reversed.
Manual override should absolutely turn off pump, especially if everything worked correctly before. There is an exception. IF there is internal short to ground inside the pump. Turn circuit breaker off, and then at the timer, disconnect ground wire going to the pump, turn breaker back on, and see if pump stops using manual override.
Very odd that such a durable mechanical timer would go bad in 1 year. The manual override lever actually pushes the contacts together and pulls them apart, so burned contacts cannot stick together. You can check this by turning off power and then remove timer mechanism using thumb spring located top inside box.
T105 is 120volt timer with NO NC terminals: http://waterheatertimer.org/pdf/t105.pdf The model number of timer shows inside the door panel. However any Intermatic and some GE timing mechanisms can fit into the same box, so wiring has to be checked with diagram shown in manual to be be sure.
Problem is not clear. You are operating two different things: the filter pump and the pool vacuum? You want the filter to operate via the timer. And you want the pool vacuum to turn on whenever you flip a power switch, except the power switch is wired into the timer ... which means you have to flip the timer manual override lever and flip the power switch to operate the vacuum. To work around this problem, rewire switch wires so they connect to terminals 3 and A. Black wire to terminal 3 and white wire to terminal A.
Yes 40 amp is standard, and you can use it. Amp rating can be thought of as roadway capacity. The higher the roadway capacity, the more cars (or electricity) can go down the road at same time. If you have 40 amp roadway, but only use 20 amps, then it's like the highway has fewer cars. Except with electricity, the cars don't go faster, but just like a regular roadway, fewer cars means less heat and the roadway lasts longer. So you want larger amp rating. http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101 http://waterheatertimer.org/See-inside-main-breaker-box.html
You have Intermatic mechanical timer connected to swimming pool pump/filter. Open following link to read about setting timer: http://waterheatertimer.org/pdf/How-to-operate-and-set-T104-timer.pdf http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html Lift and rotate dial until current time is lined up with stationary pointer. Put on-off trippers on outer edge of dial. Timer comes with 2 sets of trippers, and you can order replaceable trippers. Up to 12 sets of trippers can be added to dial for a total of 12 ON and 12 OFF events each 24-hour period. For 35000 gallon, pump should run at least 6 hours each 24-hour period. During freezing weather, if pipes are above ground, you can remove trippers from dial, set override lever to ON position, and run pump 24-hours to prevent frozen pipes.
