The Off tripper does not switch timer clock off

http://waterheatertimer.org/Intermatic-trippers-and-parts.html#trippers

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

1) Troubleshoot walk-thru indicates that tripper is wrong, or timer mechanism is worn out:
Check that tripper is labeled ON, and compares similarly with old tripper, and is not worn down. Trippers are made of softer metal and designed to wear out before the timer mechanism wears out.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/images/WH-lever-005-500.jpg

2) Buy new timer mechanism: If the new ON tripper does not push the on-off lever, then timer mechanism is probably worn out.
Buy new T104M mechanism, and change out with existing mechanism using thumb spring located top inside box.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100

3) How it works: The trippers rotate around on clock dial. Trippers come into contact with on-off lever, and trippers push lever.
On tripper pushes lever one direction. Off tripper pushes same lever other direction.
Each time the lever moves back and forth, the manual override also clicks with audible sound.
The lever moves a slide bar located on back of timer mechanism, and that action opens and closes electrical circuit.
http://waterheatertimer.org/images/Back-of-WH40-2b-500.jpg

4) Since any timer mechanism can fit into the T10404R control panel, you can also buy and install T104M210 timer mechanism with fireman's switch that turns off heater 20 minutes before turning off pool pump.
For 2-speed pool pump, the digital P1353 can also be installed, and this timer would replace both timing mechanisms in the T10404R. Non-electronic timers are more reliable.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#P1353

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There is no manual specific to the PB800-900 series timers.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#PB
http://waterheatertimer.org/pdf/Intermatic-PB800-PB900-timers.pdf

Timer uses 107TTN222 ON tripper and 107TN221 OFF tripper.
Push trippers onto dial at times you want timer to turn on-off.
Rotate dial until current time lines up with arrowhead located in center of timer dial.
images show that timer has override knob that can be rotated.
Timer has 4 terminal connections. 2 connections are for 120Volt clock motor, and 2 terminals are the switch for turning Load on-off.
Black hot wire and white neutral wire connect to clock terminals.
Switch terminals are dry.
Dry terminals mean they have no power when wires are connected to clock motor.
The switch terminals wire just like ordinary light switch: Power connects to one of the terminals, and wire to Load connects to other terminal. Neutral wire does not connect to switch terminals, just like wiring an ordinary light switch.
Offhand I do not know which set of terminals is for clock motor.
Use continuity tester on each set of terminals.
Clock terminals will show continuity at all times, no matter which position override knob is set.
Switch terminals will show continuity with override knob in one position, but not the other position.

Hi Joy and Fred.
You posted under Woods outdoor timer, but don't give specific brand or model
Open following links for detailed information and illustrations:
http://waterheatertimer.org/Woods-timers-and-manuals.html#troubleshoot
http://waterheatertimer.org/Woods-timers-and-manuals.html#59383

Segments are usually on outer edge of dial.
Some timers the segments lift up, some push down, some pull up and out, etc.
Use a fingernail or small tool and fiddle around with it.
Some timers have pins located on dial face that click inward or outward. Use small tool and move them in and out.
Some timers have trippers that you attach to outer edge of dial.
If you are confused, open links above for illustrations.

After moving some segments-pins. Plug lamp into timer.
Turn lamp on. Plug timer into outlet.
Manually rotate timer dial and watch how lamp turns on-off.
Move timer switch both directions and manually rotate dial to see lamp turn on-off.
These tests will show you how to set pin-segments-trippers and switch for your specific timer.

The timer dial rotates as time passes. The dial is a simple clock that rotates because of a clock motor.
The dial causes segments-pins move small lever that turns lamp on-off.
Just like any clock, the correct time has to be set. To do this: rotate dial until current time lines up with arrowhead located on inner dial.

For more information, add a comment with in-focus photo of your timer.
http://www.fixya.com/support/r6568559-post_photograph_fixya_questions_answers

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Thank you for including model number so answer can be accurate as possible.

T104P3 timer works with manual override so timer is basically sound.
Clock dial rotates and keeps good time, so WG1573 240Volt clock motor is good.
Trippers do not click on-off lever, so trippers are suspect.
Trippers are made to wear down so that timer mechanism lasts years longer.

Order extra clock motor and trippers at Grainger
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

See wiring diagram:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

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If the clock runs, the only thing left is the switches - and trippers.

If you can power up the pump by manually moving the switch from OFF to ON, that means the switches are good. The trippers are likely going to be the problem.

This timer needs white (or bright metal) "ON" trippers and black "OFF" trippers to turn the pump on and off at the times you select. The picture below shows a white ON tripper at 3PM (between 2 and 4) and a black OFF tripper at 11PM (between 10 and 12). This timer turns the load on at 3PM for eight hours and shuts it off at 11PM. You must have BOTH color trippers to turn ON and OFF. The trippers should be seated fully against the edge of the timer disc, and the screw tightened fully by hand.

More below the picture.




The manual can be seen here. Please rate my reply and good luck!

How to position time pointer
Rotate disk counterclockwise until current time lines up with silver pointer
Place trippers on outer edge of dial > trippers are reversible so one side of tripper in ON > flip tripper over and it is OFF.
Disk rotates with passing time, trippers click lever ON and OFF at set times

How to repair W100:
If dial is not rotating, then clock motor is bad >> W100 uses 120V clock > check markings on clock. Internet shows Tork T101M and T201M clock motors, but unclear if either clock matches W100 timer.
If dial rotates but trippers do not turn Load on-off then buy P-69 trippers
If manual override turns Loan on-off then electric circuit is working
If manual override does not operate Load, then check electric circuit or Load (light bulbs burned out)
If manual override is sluggish or stuck, and doesn't click crisp and clean, then timer is worn out or needs to be cleaned.

Product Manual:
http://waterheatertimer.org/Tork-timers-and-manuals.html#W-series
Link above shows manuals
Manual for W100 does not show specific clock-motor model

To buy parts or another timer
P-69 trippers available on web
Tork T101M and T201M clock motors available on web but unclear if they match W100

http://www.weisd.com/store2/tork/torktimer1.php
Page above sell W-series time dial part #70159 for 72$.
Page does not include photo, so unclear if dial includes clock-motor, or if voltage is 120V
Tork accessories pdf shows part #70159 as dial for W, with no other information

Same seller shows new W100 sells for $148.

Replace Tork with Intermatic, buy T7401B
Website sells T7401B for $114
T7401B is 120V timer and has 120V clock motor
http://www.1000bulbs.com/product/3377/ELEC-T7401B.html
Manual for T7401B
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t7401b%20-%20english.ashx

Paragon 4000 series timers are traditional electro-mechanical timers.
The dial rotates around like a clock as time passes
Black and silver tripper pins on attached to outer edge of dial.
Black tripper is Off
Silver tripper is ON
The tripper pins encounter a lever.
The On tripper pushes lever one direction, the Off tripper pushes lever opposite direction
Click manual override to switch lights by hand

To set current time, lift and rotate dial until current time lines up with black pointer.
Set your trippers on the dial next to the On and Off times you want.
Set silver tripper at 5:oo
Set black tripper at 11:oo
Minimum set time is 1 hour

Paragon 4000 series

If this is not the correct timer, answer back with a description and I'll check my files

If I understand correctly, you have an Intermatic timer.
The timer has a yellow dial that rotates around like a clock.

Does the manual override work?
If yes.
a) then the circuit has electricity
b) the lights are in working order

Does the clock rotate?
If yes
a) then the timer is probably good
b) the clock motor could be bad
c) the gears could be rusty and dirty

Do you have the current time set correctly?
Lift and rotate dial until current time lines up with silver pointer.

Do you have the trippers set on the correct time?
There are ON trippers and OFF trippers
Attach trippers to correct time
Tripper pins wear out

Suggestion: You sit in front of the timer and watch the trippers as they rotate to the bottom of the dial
When the trippers get to the bottom, they push a lever that turns lights on and off.
Look at the photo:


Here's a website that sells tripper pins and clock motors for Intermatic timers.
You can buy new trippers or clock motor
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

Answer this post if you still can't figure out the problem, or need more help.

Does the manual override work?
If manual override does not work, then the timer is probably worn out.
Buy new T-104 (not T-101 or T-103 because these have 120V motor)
No need to replace box >>> new T-104 mechanism snaps out and fits old box

If override works then the tripper pin could be worn out.

How it works is this: The tripper pin come into contact with a metal lever, and the clock motor pushes the wheel until the tripper clicks the metal lever. The manual override is connected to same metal lever.
Tripper is softer metal and wears out before lever



Grainger sells Intermatic trippers:
Trippers for T-104 series

Trippers for 15 minute time-interval timers