Intermatic Malibu 121W Power Pack Transformer ML121RT Logo
Posted on Dec 13, 2010

Power pack doesnt work and is under warranty how do I get a new power pack?

1 Answer

A

Anonymous

'Harry' wrote me Nov 2010 and said his power pack has 5 year warranty and quit after 4 years.
He said he was 'in negotiations' with Malibulights.com
http://malibulights.com/home.aspx
http://malibulights.com/customer_service.aspx

I asked him to let me know what happens, but no report yet.
Same for you please: Add a comment and let me know what Malibu says so information is available for all Malibu owners and fixya supporters.

'Harry' also gave me a tip.
He said Malibu timer stopped working on his power pack, so he bought ordinary plug-in timer, and set Malibu override to ON, and plugged power pack into timer.

While researching Malibu problems, I assembled some power pack tips.
The reason I add these tips now, before your power pack needs replacement is some fella wrote-in.
He bought 500 Watt power pack to replace 300 Watt > thinking bigger was better.
Power pack burned out. Here's why:
1) Match wattage of bulbs with wattage of power pack
-15 each X 20 watt bulbs = 300 watts, so install 300Watt power pack
2) Installing a 500W power pack on 300W of bulbs will burn out bulbs and power pack.
3) Replace bulbs as soon as they burn out or other bulbs will burn out and power pack will burn out.
4) When working on bulbs, unplug power pack or it may burn out.
http://www.malibulights.com/guides_support/low_voltage_planning_guide/select_your_power_pack

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The timer went out and the time of day no longer changes. I can manually turn the lights on by rotating the switch on top of the timer. How would I go about replacing the timer?

Question posted under Intermatic/Malibu power pack.
Timer clock modules are not sold separately for this timer.
Some people report being able to take the clock module apart, cleaning gears and re-lube with Vaseline. Mark parts carefully so re-assembly is easy.
Power packs have 1-5 year warranty.
Another work around is to buy cheap plug-in timer, set power pack to override, and then plug power pack into cheap timer.
Open following link for troubleshoot steps, trippers, links to manuals, tips for next power pack, and warranty contact info.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
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You posted under malibu power pack.

When clock motor gets weak, it can no longer push timer dial past the trip point switch.
Right now the clock motor is overheating and will stop functioning.
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Buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.

For complete troubleshoot, trippers, manuals and warranty information:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Add a comment for more free help

Also take advantage of fixya expert assistance live.
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You posted under Intermatic or Malibu power packs:
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Your power pack might be damaged beyond repair.

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Replacement timer module is not sold.

Might be easiest to buy cheap plug-in timer, set power pack to override, and then plug power pack into cheap timer.

With receipt, power pack might still be under warranty.

Open following link for power pack resources, and links:
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If power pack transformer still works: buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.
With receipt, power pack might still be under warranty.
Open following link for power pack tips and resources:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
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The PB912M10 timer clock motor is not sold separately. Aug 2010.
If power pack transformer still works: buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.
If transformer no longer works, then it is not repairable.
With receipt, power pack might still be under warranty.
Open following link for power pack tips and resources:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
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The PB912M10 timer clock motor is not sold separately. Aug 2010.
If power pack transformer still works: buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.
With receipt, power pack might still be under warranty.
Open following link for power pack tips and resources:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
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What timer motor fits in Intermatic ML121RT Power Pack ?

The PB912M10 timer clock motor is not sold separately. Aug 2010.
If power pack transformer still works: buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.
With receipt, power pack might still be under warranty.
Open following link for power pack tips and resources:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
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