Question about Intermatic & Indoor/Outdoor Rain Tight Timer

1 Answer

Cant get motor to work

The small gears on the time clock dont work even with a new timer, but does have power to it and when i manualy turn to on possition the load side give power. why does it get and give power but the small gears dont work and when putting same clock on another side wired the same the gears work?

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  • chaps7931 Feb 11, 2009

    well i got 2 pumps with same kind of timer. i got the one thats giving me the problem and switched them. when i put the bad one on the other pump things work right and the new timer does the same and doesnt work. so both timers work when hooked up to the other pump. by the way pump was running fine untill last week just stoped.

  • chaps7931 Feb 11, 2009

    ok i have not had a chance to open the pump to see the connections or to test if the motor is still good because its rainning out here. its a 240 volt and breaker has been reset and doenst trip. each hot line to the power is 120 and each wire f the load reads 120 out. i have not double check the neautral wire to see that all is fine but it is connected. if i loose one of the legs for a 240 and replace it with another timer should it work? thats what i tried but does the same thing.

  • Bob
    Bob May 11, 2010

    What does this mean?:
    "when putting same clock on another side wired the same"
    Another side of what?


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  • 565 Answers

If it's a 120 volt circuit and timer, it sounds like you lost your neutral connection. If it's a 240 volt circuit/timer. it sounds like you lost one leg. Measure the incoming circuit voltage to the timer that's not working_wire_ to _wire_.
Also, go to your main circuit breaker panel and turn the breaker for that circuit OFF then back ON. The pump may have just tripped the breaker. Sometimes breakers can look look they are ok, but they have actually tripped. It's possible that the pump is bad and it's tripping the breaker. Are you able use the manual switch to get the pump to work? ( the one that stopped running last week.)

Posted on Feb 11, 2009

  • Bob
    Bob Feb 12, 2009

    I suspect the pump motor is bad. Sounds like the timer is OK.

    When troubleshooting this timer and pump motor, it is important to test voltage line to line (or leg to leg, or hot to hot). You want to confirm that you actually have _240 volts_, line to line (or leg to leg, or hot to hot), NOT 120 volts to ground on each line (or leg, or hot). You have 4 places where you need to check when troubleshooting. 1. Off the breaker in the main panel needs to read 240 volts. 2. Inside the timer, the incoming cable (line) needs to read 240 volts. 3. Inside the timer, the outgoing cable (load) needs to read 240 volts (after turning the manual lever to ON). 4. Inside the pump motor connection box needs to read 240 volts. If you don't read 240 volts at any of those points, you have found the problem.

    Bottom line...if the pump motor is getting 240 volts and not working, then there is a problem with the pump motor. Check the impeller to make sure it is not jammed. The motor shaft should turn freely. If the pump motor shaft turns freely and it's getting 240 volts, there is not much you can do other than replace the pump motor :-(

    I probably should have asked before this, but what is the timer model #? Sometimes the timer motor runs off 120 volts. If that is the case, you want to make sure that on the incoming cable to the timer that you are get the following readings: 240 volts black to red (or hot to hot), 120 volts black to white (or hot to neutral), 120 volts red to white ( or the other hot to neutral).

    Be careful out there in that miserable cold and wet.

  • Bob
    Bob Feb 21, 2009

    Thanks for the FixYa!!! Not only did you increase my rating , but now,thanks to _your_ effort, many thousand people will now find a fast, free, and accurate solution this sort of problem.

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1 Answer

Intermatic e1010


Is this new timer installation, or older timer that stopped functioning?

1) Copy following link to help identify timer, download manual:
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#E1020

2) If this is new installation, then check wiring for single pole installation. This timer will not work for 3-way switching.
http://waterheatertimer.org/How-to-wire-timers.html

3) If timer worked before, and now clock motor has stopped working:
Turn power off, use compressed air to blow out timer, then see if you can spray highly flammable vapor from WD40 can into the motor.gears.

4) There are replacement trippers for this timer, but no replacement clock motors.
Buy another single-pole in-wall timer.

Dec 03, 2012 | Intermatic Timers

1 Answer

How can I tell if my t101 motor is not working


Connect 120Volts to white clock motor leads.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

Blow out timer with compressed air.
Turn off power and spray highly flammable vapor from WD40 can onto gears.
If dial rotates and keeps good time, then buy new 156T1978A trippers

T101 timer comes stock with WG1570 120-480 volt clock motor.
Clock motor typically connects to terminals A and 1.
Hot black wire connects to terminal 1. Neutral white connects to terminal A.
Load wires: Black to terminal 2, and White to terminal A
This timer can be converted to other voltages by changing clock motor, such as 208-277Volt using WG1573. Or adapted to European, SE Asian 230 Volt 50Hz timer by installing WH1574.

Nov 28, 2012 | Intermatic T101R3 110 volt time clock in a...

1 Answer

Why is my timer runnung backwards


Timer is not identified.
Analog timers have clock motor.
If the gears strip out, then timer can run backwards.
Some timers have replaceable clock motors, such as Intermatic and Tork box timers, and pool timers.
http://waterheatertimer.org/How-to-replace-Intermatic-clock-motor.html
While small plug in timers generally do not have replacement parts.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Jul 19, 2012 | Timers

1 Answer

I have a intermac ML200Rt and after a power outage the clock motor does not turn anymore. It can be manualy turned to black and red trippers to turn lights on and off. The manual overide switch works also....


If clock motor stopped working, then there are no replacement clock motors/modules for power packs.
Buy cheap plug-in timer, set power pack to override, plug power pack into cheap timer.
If you have sales receipt, Intermatic/Malibu ML series power packs have 5 year limited warranty.

Open following links for troubleshoot steps, warranty links, trippers, and tips for getting next power pack to last longer.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
http://waterheatertimer.org/Intermatic-trippers-and-parts.html

Upvote the help.
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.

May 28, 2011 | Malibu ML200RT - Low Voltage Power Pack...

1 Answer

1 year old t101m timer stopped working. The manual on/off works but mechanical clock doesn't. Is there an easy fix or should I just repalce?


T101 dial is not working so the 125V clock motor needs to be replaced:
Grainger sells 125V T100 series clock motor:
http://www.grainger.com/Grainger/INTERMATIC-Time-Clock-Motor-1PNK1?Pid=search

Timer mechanism releases from box with metal spring located inside top of box.
Clock motor is attached with 2 star screws.
Notice clock motor has plastic gears, but timer has metal gears.
Metal gears on timer mechanism last for many years.

Notice also that clock motor wires connect to terminals A and 1.
After installing new motor, tighten screws very tight against copper wire.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, fixya expert speaks with you over phone while you work on timer.

Jan 05, 2011 | RTO Intermatic T101M Timer Mechanism Only...

1 Answer

I having troble with my t103 timer to turn the lights on manualy i try to set the timer but for some reason doesn't work what can i do ???


T103 Intermatic timer has 120Volt clock motor and can control 120V or 240V Loads.
Wiring for timer is shown on following link:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T103

Troubleshoot T103:
1) Manual override is working correctly, and it snaps crisp and clean, and Load turns on-and-off.
That means timer is basically good.

2) Next look to see if yellow dial is rotating.
If dial is not rotating, then 120Volt clock motor needs to be replaced.
Take photo of wiring and mark wires before starting.
Remove two white wires connected to screw terminals 1 and A.
Snap timer mechanism out of box, clock motor is on back of timer.
Use small star screwdriver to remove old clock motor.
Reattach white wires on terminals 1 and A, tighten screws very tight.
Reset current time: lift and rotate dial until current time lines up with silver pointer.
Grainger sells 125V clock motor:
http://www.grainger.com/Grainger/INTERMATIC-Time-Clock-Motor-1PNK1?Pid=search

3) If dial is rotating, but gets stuck at certain times, or runs slow, then replace clock motor.

4) If dial is rotating, and trippers are attached to dial, but timer does not turn ON, then trippers are worn down and need to be replaced.
Grainger sells the T103 trippers
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search

5) How Intermatic mechanical timers work:
Dial with ON-OFF trippers is rotated by clock motor.
Trippers on dial contact ON-OFF lever.
ON tripper pushes lever one direction.
OFF tripper pushes lever opposite direction.
Lever moves electrical contacts on back of timer that turn Load ON-OFF.
Manual override lever clicks back and forth with each ON-OFF action.

geno_3245_85.jpg

Nov 20, 2010 | Intermatic T103 Indoor 120-Volt 40-amp...

1 Answer

I have a tp104 p3 intermatic timer and the clock is not working it looks like the motor for the gears are working but the clock will not turn


Motor has plastic gears.
Timer wheel has metal gears.
If metal gears are not turning, and clock is turning, plastic gears are probably stripped.

And metal gears might be dirty and rusted.
Look close where plastic and metal gears meet.

2 solutions:
1) clean metal gears and replace clock motor
T-104 takes T-100 series 208-277V clock motor
Add a bit of white grease where trippers meet metal lever
Grainger sells parts.
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

2) buy new T-104 and swap out insides without changing box

geno_3245_60.jpg

Nov 12, 2010 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

Pump will run on manual setting but not automatic setting.new pins were put on


If I understand correctly, this is a timer that has been in place for a while and is not a new installation?

If timer has operated in the past, then the wiring can be eliminated as a suspect

You say the manual override works correctly. That eliminates the question if timer has power.

We have 2 suspects remaining:
1) The general condition of the timer, whether the gears are rusty and dirty.
Is the manual override snap over fully. Is manual override sluggish or crisp. The tripper pins have to move the same lever as the manual override, so if override is bad, the timer is bad.
Turn off power
Release mechanism using spring located top of box
Tip out timer mechanism and look at gears for rust and dirt
Does it look like the timer is too rusty for the trippers to click the on-off lever?
Look at the back of timer for same problems.
Spray a little WD-40
You can buy a new timer of same type and swap insides without replacing whole box

2) Clock motor
Is the clock wheel turning as time passes? The clock wheel or dial must rotate for timer to work.
You can replace the clock motor
Take mechanism out as described above, clock motor is located on back and has identifying markings
Order a new clock motor of same type:
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi
http://www.aplussupply.com/intermatic/timermotors.htm

Upvote if this information helped. Thanks for the feedback.

Oct 18, 2010 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

ML900wTW transformer gets stuck at the "on" position and stays there. Lights wont come on,unless I advance the wheel manualy. Then the clip will turn the lights on. The lights have no problem turning...


The clock motor has gotten weak and now it is overheating and will not recover.
There are no replacement clock motors.
To buy more time with old power pack, purchase cheap plug-in timer, set power pack to override, and then plug power pack into cheap timer.

For more information on power packs showing replacement trippers, useful links and tips
http://www.fixya.com/support/r8391011-power_pack_not_working

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2 Answers

Install new timer for pool about 5 weeks ago. clock does not work or timer. what do i do to fix problem?


Do not tirn the clock dial counter clockwise as it will brake the teeth on the plastic gear causing the clock not to turn. If the gear is broken The mfg. will mostlikley send a new one for free with an exploded view. It is very easy to replace. Don't forget to shut off the power first as the points will be exposed during your gear replacement.

Aug 17, 2009 | Intermatic & Indoor/Outdoor Rain Tight...

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