20 Most Recent Malibu ML300RTW - Low Voltage Power Pack -300 Watt - With Timer and Ground Questions & Answers


Malibu ML300 has 120 volt input and 12 volt AC output
They make a photo eye for the timer... wiring is changed a bit... will work on ML300 if timer has A-B-C wiring terminals
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html#wire

You can use a 120 -> 12 volt ac transformer that is rated for 300 watts... and connect in-line photoeye on the 120 volt side.
http://waterheatertimer.org/How-to-install-and-troubleshoot-photo-eye.html
http://waterheatertimer.org/Reverse-photo-eye-so-it-turns-on-at-daytime.html

Gene
Water Heater Timers Save Money

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

Malibu ML300RTW... | Answered on Jul 19, 2015


Sounds like the mechanical timer assembly likely has never been lubricated, You may use a lightweight oil, such as WD-40, to lubricate the timer mechanism.

Malibu ML300RTW... | Answered on May 10, 2015


Probably not.
Remove trippers from dial...Plug power pack into cheap wall timer
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html#troubleshoot

Gene

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

Malibu ML300RTW... | Answered on Oct 17, 2014


Clock motor not sold separately
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Gene

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

Malibu ML300RTW... | Answered on Oct 17, 2014


There is no reset button for ML series power packs:
Copy following link for troubleshoot resources, replacement trippers, installation tips and manuals
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

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

Malibu ML300RTW... | Answered on Jul 29, 2014


1) Clock motor is worn out, or gears are dirty:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

2) Take apart clock motor and add white grease to gears
Set override to ON, and plug timer into cheap wall timer.
Take advantage of 5-year warranty.

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

Malibu ML300RTW... | Answered on Mar 10, 2013


Transformers make humming sound.
ML300 series transformers make sound.
Used styrafoam to separate transformer from contact with building so sound is not carried.
These transformers have 10 year limited warranty.

Copy following link for general troubleshoot and tips, and warranty information, and trippers.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

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

Malibu ML300RTW... | Answered on Oct 24, 2012


The timer module is not sold separately.
Malibu has 5-year limited warranty against defects in workmanship.
If the transformer still works, then plug unit into cheap wall timer.
If the timer dial still keeps good timer, then order trippers.
Copy following link for manuals, tips, replacement tripper numbers and general troubleshoot:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

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

Malibu ML300RTW... | Answered on Aug 16, 2012

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