Question about Intermatic & Indoor/Outdoor Rain Tight Timer

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Wiring diagram outdoor lights using a intermatic ml44t 44 watts low voltage transformer

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 22 Answers

SOURCE: Can I use the Intermatic EJ500CH timer in an outdoor box?

No as long as the box is well insulated.
The operating temperture must not fall below - 5

Posted on May 24, 2009

protek480
  • 1714 Answers

SOURCE: ML 121 RT doesn't power all lights on the system

Go back to where the lights are working, Then inspect the cable leaving that point. You must have a bad spot somewhere after that point killing the voltage.

Posted on Jun 27, 2009

buffalonyman
  • 1865 Answers

SOURCE: 600 low voltage transformer hook up to 3 outside pedestal lights

bulbs or wiring

Posted on Aug 18, 2009

VtToolMan
  • 704 Answers

SOURCE: intermatic outdoor can't reprogram. display reads NoOp

Les, First thing to do is to change the battery and see if the timer will allow you to reprogram it. Sometimes these timers will fail, as some models have a known history of failing fairly often.

NoOp, means non operating within the Intermatic line of electronic timers, so in order to see if the unit has failed or is just malfunctioning, due to a weak battery, remove the existing battery and install a fresh, new one.

You can remove the existing battery by flipping down the front switch panel and removing the battery tray with either your fingernail or a small flat bladed screwdriver. As your timer is showing the NoOp, you don't have to worry about losing your programmed on/off cycles, so you can take your time. Normally, if you're changing the battery, you get about 30 seconds to do this with some models of Intermatic timers, or you'll lose the settings. The newer models store the program regardless of how long it takes to change the battery.

Once you've replaced the battery, press the Reset button on the timer and allow it to refresh. If the NoOp is gone, just reprogram the timer with your on/off cycles and days and you're back in action. If the timer doesn't clear, you'll likely need to replace it, as it could be damaged and will not be able to be programmed again.

Usually, changing the battery and resetting the timer works about 60% of the time for me, as I've installed thousands of the various Intermatic timers in customer's homes over the years.

Hope you find this Very Helpful and best regards!

Posted on Sep 09, 2009

SRF518
  • 232 Answers

SOURCE: malibu 300watts connected to 4/50-watts spot light and 5/7watts l

sir, you have a voltage drop problem. you make no mention of what wire size you are running to the fixtures or what the voltage is required. I need to know the wire size you have and the voltage required to run the lamps to come to any decision to repair your problem. write me back at tmierzwa@twcny.rr.com and we'll see what we can do.

Posted on Oct 24, 2009

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1 Answer

Why won't my ml44t transformer turn the connected lights on or off?


1) Copy following link for installing and troubleshooting power pack
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

2) Test outlet for power.
Temporarily run extension cord from another outlet.
Connect wires to terminals a and b ... make sure no insulation is under screw plate.
44 watt power pack will operate 44 watts of low-voltage lights (12Volt).
If 300 watts of lights are installed on line, then lights probably will not light up.

Mar 01, 2013 | Hardware & Accessories

1 Answer

I have a ML44T automatic timer for my outdoor lights which has been working perfectly until now. When the time turns until it gets to the point where it has to trip the switch to turn the lights on it...


The clock motor has gone bad.
There are no replacement clock motors.
To work around, buy cheap plug-in timer, set power pack to override and plug power pack into cheap timer.
Power packs have 5 year limited warranty.

For more information on Intermatic/Malibu power packs showing troubleshoot steps, replacement trippers, useful links, warranties and tips:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Mar 08, 2011 | Intermatic ML44T TRANSFRMR WITH TIMER 44...

1 Answer

Timer on malibu transformer ML-44T is turning in reverse for no reason


There are no repair parts for power packs, but they do come with 5 year limited warranty.
http://www.intermatic.com/products/professional%20lighting/light%20expressions/power%20packs/ml44t.aspx

Contact Intermatic:
http://www.intermatic.com/customer%20service.aspx

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you via e-mail while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 20, 2011 | Intermatic ML44T TRANSFRMR WITH TIMER 44...

1 Answer

Three terminals on bottom of transformer: A, B, C. I only have two leads coming in from the lights. Which terminals do the two wires attach to?


B is common, so you can connect the two leads between A and B.
If you add a second cable run in the future, connect it to B and C.

Jan 12, 2010 | Intermatic ML44T TRANSFRMR WITH TIMER 44...

1 Answer

Malibu 300watts connected to 4/50-watts spot light and 5/7watts l


sir, you have a voltage drop problem. you make no mention of what wire size you are running to the fixtures or what the voltage is required. I need to know the wire size you have and the voltage required to run the lamps to come to any decision to repair your problem. write me back at tmierzwa@twcny.rr.com and we'll see what we can do.

Oct 24, 2009 | Intermatic 600 Watt Low Voltage...

1 Answer

Power at 3 feet, not at 2 feet ???


You might need to check the power source for proper voltage, sometimes outdoor wiring is at the mercy of the elements. Rusty screws on recepticles and so forth. Another problem could be exposed wire in the line bleeding of to ground. Sometimes this happens if a fixture is removed and the wire not properly protected. If these are none of your problems just take up your fixtures and replace the wire. 16 guage underground feed will probably be less expensive than the transformer you bought.

Aug 08, 2009 | Malibu Intermatic Inc. ML121RT Low...

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