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Author Topic: LG Appliance - dishwasher inferring with control signals  (Read 5725 times)

garryschultz

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LG Appliance - dishwasher inferring with control signals
« on: May 17, 2007, 11:14:32 AM »

has anyone else experience an issue with an LG Dishwasher causes X-10 modules to not respond?  I have tested and verified that it is, in fact, the LG dishwasher that causes two of my devices to not respond.  I have put a filter on the LG but it does not help.   The only thing that does is if I unplug the LG completely.
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JeffVolp

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #1 on: May 17, 2007, 12:55:16 PM »

has anyone else experience an issue with an LG Dishwasher causes X-10 modules to not respond?  I have tested and verified that it is, in fact, the LG dishwasher that causes two of my devices to not respond.  I have put a filter on the LG but it does not help.   The only thing that does is if I unplug the LG completely.

What do you use for a filter?  Dishwashers are normally on their own 20A circuit, and an appropriate filter would be the big X10 XPF.

Jeff
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garryschultz

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #2 on: July 09, 2007, 12:31:31 PM »

Sorry to take so long to respond - vacation.  I tried the x10 Pro Model Xppf - 120v device.  Thing is the LG is 120v unit and not hard wired into the circuit... it is plugged in via a standard three prong plug.  I have checked the ground and it is good (with a meter I don't have access to a scope at home).

Garry
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JeffVolp

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #3 on: July 09, 2007, 02:52:51 PM »

Quote
Sorry to take so long to respond - vacation.  I tried the x10 Pro Model Xppf - 120v device.

Nice vacation!

The XPPF is only rated 5 amps.  I'm not sure you can safely power a dishwasher through it unless it doesn't use an internal heater element.  Even though it might have been overloaded, the XPPF should have isolated the dishwasher from the circuit.  Since it didn't solve the problem, your signal levels might have been marginal before adding the dishwasher.  I have a few questions to better define your problem:

1)  Are the devices that do not work on the same circuit?  (You can check by tripping the breaker.)
2)  Does the problem occur whenever the dishwasher is plugged in, or just when it is running?
3)  Do you have access to a X10 signal level meter to check signal and noise levels?
4)  Have you checked how much current the dishwasher actually needs?

Jeff
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garryschultz

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #4 on: July 09, 2007, 03:03:55 PM »

Jeff

1 Yes, the devices are on the same circuit
2 Dishwasher does NOT have to be running... only plugged in... this is 100% repeatable and verified.
3 No, I wouldn't even know where to go to find such a meter.
4 The dishwasher is rated at 15amp.  It should indeed be on it's own circuit, but that is another challenge.

Garry
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JeffVolp

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #5 on: July 09, 2007, 04:14:58 PM »

Since the dishwasher causes the problem when it is just plugged in and not running, it is most likely a signal strength issue.  The signal was probably marginal before.  The dishwasher may have an interference filter on its output, which will also attenuate X10 signals.  The XPPF is not the filter to use with a high-current appliance.  If you can't put the dishwasher on its own filtered circuit, you may need something to boost the level of your X10 signals.

Jeff
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garryschultz

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #6 on: July 09, 2007, 04:29:53 PM »

Thanks Jeff

I will indeed get the washer on its own circuit.

That said, I have to ask the obvious question... is there an X10 signal booster on the market?

Garry
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JeffVolp

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #7 on: July 09, 2007, 04:50:59 PM »

Quote
I have to ask the obvious question... is there an X10 signal booster on the market?

That is one I hate to answer myself do the conflict of interest.

There are a number of commercial repeaters on the market, and I offer the XTB for situations like yours.

http://jvde.us/xtb_index.htm

Jeff
« Last Edit: February 24, 2010, 11:23:02 PM by JeffVolp »
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Brian H

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #8 on: July 10, 2007, 07:04:56 AM »

You may want to look at some other threads. Some have had problems with certain brand repeaters. Mine was with a Smarthome Dryer Outlet module. It caused a firestorm of X10 signals when an AM14A or LM14A was powered up. I now have an ACT CR234 on line and limited time tests [just installed] show no problems. I have seen good things on Jeff's device also.
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tom j

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #9 on: July 11, 2007, 12:04:13 AM »

Thanks Jeff

I will indeed get the washer on its own circuit.

That said, I have to ask the obvious question... is there an X10 signal booster on the market?

Garry

I have one that appears to work really well it's made by Levition model number HCAO2 you should be able to pick one up for under 100 dollars, if you're interested try doing a Google search, well here I found an excellent price for you just check out the link below. You can trust Levition they are known for there attention to quality have only had one problem with a Levition product in the last 15 years. Say maybe someone can help me every now and then a couple of timers that I created in AHP come on but instead of dimming to the proper level they occasionally will come on full bright this is infrequent but does happen occasionally any ideas??

Tom j


http://www.smarthome.com/4823.html
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Brian H

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Re: LG Appliance - dishwasher inferring with control signals
« Reply #10 on: July 11, 2007, 06:56:56 AM »

Some have reported problems with the HCA02 and the AHP CM15A. Others have good experiences with that combination.
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