Question about Intermatic & Malibu& 300 Watt Power/Pack Timer

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Hello, i have intermatic px300 low lighting transformer. I bought this house one year ago.Transformer was installed recently before i bought by the privious owner of the house but pool and landscape lights never turned on. Transformer is connected to hayward pool timer which has pool and spa lighting switches.I can go into hayward timer and turn on light option on the panel and i can hear transformer turning on,can hear huming sound but no lights come on on pool and spa. opened up tranformer but there is no timer dial or light censor. Don't know if it can be turned on manually to see it is working.

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4 Suggested Answers

jeltey
  • 41 Answers

SOURCE: Malibu landscape transformer

If it is keeping time try moving the stops. If it is not keeping time the motor is probably burned out. These transformers don't have a lot of serviceable parts to them.

Posted on Dec 04, 2008

  • 1 Answer

SOURCE: Malibu landscape transformer

I discovered that I hadn't turned the manual switch to off on the one that wasn't working properly.
Now they both work fine. The instructions that come with the Malibu Transformer is not easy to understand and it does not go into enough detail. There isn't a trouble shooting section which would help.

Posted on Apr 15, 2009

  • 623 Answers

SOURCE: Lights will turn on and off manually only

Just checking, still plugged in, fuse or circuit breaker not tripped that provides power to it? If you can turn it manually, and the dial does not turn when powered up, look for a small on/off switch, other than that, maybe it does need replacement, but they usually last longer that a year, but I have had some timers that just quit working on me too.

Posted on Apr 30, 2010

SOURCE: can you help me troubleshoot

The following link carries ML series power pack troubleshooting, plus links to trippers and manuals, plus information about 5 year warranty.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

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Posted on May 21, 2011

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1 Answer

We have an older Malibu 300w low voltage transformer that has a non-working timer and want to install a photo eye on it. The instructions for the photo eye as well as recent IFU from Malibu show 3...


How about this solution:
Don't use the photo eye from Intermatic, since unsure if older timers might not be made for that feature.
Instead, plug power pack into photo-eye timer.
Or plug power pack into ordinary wall timer:
Copy following links for resources:
http://waterheatertimer.org/Woods-timers-and-manuals.html#outdoor
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#TN

http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
Call Intermatic and they might have solution for photo eye.
Gene
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Oct 06, 2013 | Intermatic Malibu 300W Power Pack...

1 Answer

I have a malibu set of 8 lights about 80 foot of 12 gauge wire. They come on then after about an hour they shut off then come back on about 20 min later


Do you have photo-eye connected to the transformer?
Disconnect photoeye, or cover photoeye with black tape and see what effect it has.
Plug another light into same outlet and see if it has same problem.
Run temporary extension cord to transformer and see if problem is same.
When the lights are off, does the transformer make humming sound.
Intermatic/malibu timers have 5 year warranty if you have sales receipt.
Copy following link for troubleshoot resources, trippers, operation tips, etc.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Aug 15, 2012 | Malibu Intermatic Inc. ML121RT Low...

1 Answer

Manuals al900mtss transformer


Copy following link for Intermatic / Malibu low voltage transformers manuals:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
Copy following link for Low voltage Intermatic pool transformers:
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#pool-lights

Jun 05, 2012 | Intermatic Timers

1 Answer

I bought a Malibu 300W low voltage landscape transformer to replace a 200W unit that stopped working. It worked for 1 week, then stopped .. the reset **** doen't work. The LED works, I do see a...


I don't know if it burned out, but something is not right.
Malibu products come with 1-5 year warranty.
New product that stopped working should be exchanged for full replacement at place of purchase, except possibly the auction sites.
New Malibu product should work for many years.
Be sure to match bulb voltage with transformer voltage to avoid possible problems.
Mismatched bulb and transformer wattage should not affect a timer in short period such as 1 week.
Another thing to check is outlet polarity. Use circuit analyzer from home center to check outlet.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Jul 20, 2011 | Intermatic Malibu 300W Power Pack...

1 Answer

One year outdoor lighting (300V #135708) Transformer not working


You need to disconnect the lighting load completely from the transformer and check it's output. If it is dead unloaded, replace the transformer. If it seems to work now, then some part of the lighting circuit has probably shorted out. If there are several circuits coming to the transformer, attach each one separately and recheck for power. When one is attached that kills the output, investigate that circuit. Check for any broken lamps first, then the wiring must be opened at each lamp location to check for a local short circuit. A somewhat tedious fix. Hope this helps!

May 24, 2010 | Intermatic Malibu 300W Power Pack...

1 Answer

Lights will turn on and off manually only


Just checking, still plugged in, fuse or circuit breaker not tripped that provides power to it? If you can turn it manually, and the dial does not turn when powered up, look for a small on/off switch, other than that, maybe it does need replacement, but they usually last longer that a year, but I have had some timers that just quit working on me too.

Apr 29, 2010 | Intermatic Malibu 300W Power Pack...

1 Answer

Malibu 600 watt transformer timer not working. Can turn on and off w/ the switch but the timer isn't functioning.


The timer motor is probably bad. Unfortunately, Malibu transformers have very few user servicable parts :-( , and the timer motor isn't one of them. One cannot even access the internal connections. If you recently purchased the transformer, return it to the store. If the transformer is less than 5 years old, it's still under warranty. In that case visit the Malibu website for instuctions.

Oct 31, 2009 | Malibu Intermatic Inc. ML121RT Low...

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...

1 Answer

Bugs in my transformer


That is why it's not working,The bugs have shorted it out.It sounds like termites.you can get some spray and treat the area to keep the bugs away.

May 12, 2009 | Intermatic Malibu 300W Power Pack...

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