Question about Intermatic Malibu 300W Power Pack Transformer ML300RTW

1 Answer

Lost manual for ML300RTW transformer. Does this transformer have an override so I can plug into exterior timer? If so, where is it?

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1 Answer

Yes power pack has override, depending on model.
There should be a small knob located above and to left of dial that rotates: Step 8 in Manual says: You can manually operate the lights by turning the Manual ON/OFF Switch counter clockwise.
http://www.intermatic.com/~/media/files/intermatic/products/instructions/professional%20lighting/ml300rtw%20ml300rtwsn%20trilingual.ashx

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

Add a comment with your experience so others with same-similar problem can benefit.

Also 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.

Posted on Apr 02, 2011

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1 Answer

How to set clock timer to over ride?


Rotate override knob located above dial.
For permanent override, remove trippers from dial
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Gene

Jun 28, 2014 | Intermatic Malibu 300W Power Pack...

1 Answer

Malibu Lighting ML300RTW Transformer Motor


Motor has gotten weak, and is overheating and soon will not work.
Some people report taking apart motor and cleaning gears.
Others report that they didn't record how the gears came off, and can not reassemble.
PB912M10 Clock module is not sold separately.

Switch power pack to override so lights are ON, and plug transformer into cheap wall timer.

Copy following link for tips to get power pack to last longer, troubleshoot, and warranty, etc.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Nov 04, 2012 | Intermatic Malibu 300W Power Pack...

1 Answer

Lights not working


Check if outlet has power.
See if manual override switch will turn lights ON.
Copy following link for full Malibu troubleshooting resources.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Jul 19, 2012 | Intermatic Malibu 300W Power Pack...

1 Answer

I have a Malibu 300 watt ML300rtw transformer for outside lighting. The timer stopped moving and when I took it apart the small plastic gear was worn down and it was not turning the timer. Is there...


I don't know any site selling power pack gears.
Maybe ebay has gears or sells used power pack.

Easiest thing might be buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.

Intermatic does not sell the timer module separately, or the gears.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Aug 13, 2011 | Intermatic Malibu 300W Power Pack...

1 Answer

I have a ML300RTW Malibu transformer (S/N ML300RTW) that I bought 7/31/08. I'm pulling 170 watts from that transformer. I purchased new trippers from Northern Lights Electrical Supply. I have replaced...


You can buy cheap plug-in timer, set power pack to override and then plug power pack into cheap timer.
Otherwise there are no repair parts for power packs other than on-off trippers.
Power packs come with 5 year limited warranty, so you are within warranty period. Good job saving the date of purchase, you outshine with that detail.

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

Add a comment with your experience so others with same-similar problem can benefit.

Also 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.

Apr 02, 2011 | Intermatic Malibu 300W Power Pack...

1 Answer

The clock does not work


There are no replacement clock motors for power packs.
You can buy cheap plug-in timer, set power pack to override, plug power pack into cheap timer, and still operate light.

I wrote power pack troubleshoot checklist:
http://www.fixya.com/support/r8391011-power_pack_not_working

Sep 19, 2010 | Intermatic Malibu 300W Power Pack...

1 Answer

Malibu Model: ML200TW Transformer Automatic timer not working


You can buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.

I wrote power pack troubleshoot checklist:
http://www.fixya.com/support/r8391011-power_pack_not_working

Jul 23, 2010 | Intermatic Malibu 300W Power Pack...

1 Answer

Timer stops at on and off trips and doesn't turn on or off


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

Jun 23, 2010 | Intermatic Malibu 300W Power Pack...

1 Answer

Where can i purchase replacement timers for malibu 300watt power pack trans former. have 14 in yard three have bad timers.


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

May 23, 2010 | Intermatic Malibu 300W Power Pack...

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