20 Most Recent Intermatic Malibu 300W Power Pack Transformer ML300RTW Questions & Answers


The digital transformer has 5 year warranty.
Otherwise plug power pack into cheap wall timer
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Don't buy digital. This type timer can be easily knocked out with simple power outage.
Also bulb outages and cord problems and moisture and probably direct sun can affect digital more easily than analog.

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

Intermatic... | Answered on Apr 12, 2018


You can buy the Malibu Photocell Low Voltage sensor on eBay. Go to eBay and search "Malibu Photocell Sensor" and you should see it. Or search eBay item number 371829265599

Intermatic... | Answered on Jan 05, 2017


Try connecting a lamp (correct voltage, etc) directly to the transformer. Most likely, the wire from the transformer to your lights is broken... The reset button can't reset anything, if there's nothing wrong there.

Intermatic... | Answered on Jun 16, 2016


Installation tips and troubleshoot steps on following link:
Read installation tips and make sure your installation is correct now...
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html#install

These low voltage power packs are actually transformers... larger version of the transformer you plug into wall to recharge cell phone...
They are made for specific loads and can be damaged in variety of ways. Generally, there is no repair for damaged transformer..
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

Intermatic... | Answered on Feb 12, 2015


http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

I don't think they post schematic for the transformer
But generally, the primary coil receives 120Volt AC input from household electrical outlet
And the secondary coil produces 12Volt AC output for the low voltage lights.
The 'coil' is a coil of insulated wire wrapped around a metal core. Two coils set side by side create a transformer... when primary is energized, the secondary responds to the magnetic field caused by primary core... resulting in a current that flows on the secondary coil.
Output voltage on secondary coil is determined by the number of wraps and diameter of wire.

Some transformers offer a choice of secondary output... Kichler for example... you can select 12-13-14-15 Volt AC output
This is achieved by the way the secondary coil is wrapped.... for less voltage a wire is tapped at one point on the coil... for more voltage, a wire is tapped at another point on coil. This gives the user several wire choices to connect the lights.

Gene

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

Intermatic... | Answered on Aug 12, 2014


Intermatic power pack has 5 year warranty, while malibu has 1 year warranty:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
Open link above for installation tips and troubleshoot
Gene

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

Intermatic... | Answered on Aug 12, 2014


Plug power pack into cheap wall timer, remove trippers from power pack dial, set power pack override to ON
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

Intermatic... | Answered on Aug 12, 2014


Rotate override knob located above dial.
For permanent override, remove trippers from dial
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

Intermatic... | Answered on Aug 12, 2014


Replace transformer.... it should be slightly warm but never hot
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Gene
h

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

Intermatic... | Answered on Aug 12, 2014


There are two sets of terminals on the 600 watt x-former. If you have two 300 watt circuits, use one 300 W circuit on one output, and the other 300 W circuit on the other output. Use terminals A & B on each side. Each circuit will have 12 volts.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c

Intermatic... | Answered on May 19, 2014

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