LED lights cause appliance failure












1














Here is a fun one. I installed 2 LED bulbs into my Genie garage door opener and it caused the microwave to lose power. They are both on the same circuit. When I tested the voltage at the microwave outlet it read 48 volts. That usually means a ground reference problem. Take the bulbs out and the microwave lights up and operates fine. I installed one LED and one incandescent it it works as well.



Any suggestions on a long life bulb preferably LED they doesn’t cause this issue?










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  • Hello, and welcome to Stack Exchange. There's no way one device on a properly-wired circuit can make another device see only 48V without throwing the breaker. Something else is wrong; any idea what it could be?
    – Daniel Griscom
    3 hours ago










  • Have you tested with the Genie LED lights on and off?
    – BillDOe
    3 hours ago










  • Possibly the LED bulbs are putting a pile of electrical noise on the line, which could potentially both mess up the microwave and the voltmeter reading.
    – Ken Shirriff
    1 hour ago










  • This circuit powers the garage outlets which is the door opener, a freezer, and since the garage is next to the kitchen it sounds like it was the easiest path to power an installed microwave. The house is 40 years old and I have lived in it for 15. There hasn’t been any issue with power prior to installing the LED bulbs. I know older dimmers and control circuits can behave strangely with LED and CFL bulbs. Maybe the genie uses and older engineered method of control.
    – Pete
    13 mins ago


















1














Here is a fun one. I installed 2 LED bulbs into my Genie garage door opener and it caused the microwave to lose power. They are both on the same circuit. When I tested the voltage at the microwave outlet it read 48 volts. That usually means a ground reference problem. Take the bulbs out and the microwave lights up and operates fine. I installed one LED and one incandescent it it works as well.



Any suggestions on a long life bulb preferably LED they doesn’t cause this issue?










share|improve this question







New contributor




Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.




















  • Hello, and welcome to Stack Exchange. There's no way one device on a properly-wired circuit can make another device see only 48V without throwing the breaker. Something else is wrong; any idea what it could be?
    – Daniel Griscom
    3 hours ago










  • Have you tested with the Genie LED lights on and off?
    – BillDOe
    3 hours ago










  • Possibly the LED bulbs are putting a pile of electrical noise on the line, which could potentially both mess up the microwave and the voltmeter reading.
    – Ken Shirriff
    1 hour ago










  • This circuit powers the garage outlets which is the door opener, a freezer, and since the garage is next to the kitchen it sounds like it was the easiest path to power an installed microwave. The house is 40 years old and I have lived in it for 15. There hasn’t been any issue with power prior to installing the LED bulbs. I know older dimmers and control circuits can behave strangely with LED and CFL bulbs. Maybe the genie uses and older engineered method of control.
    – Pete
    13 mins ago
















1












1








1


0





Here is a fun one. I installed 2 LED bulbs into my Genie garage door opener and it caused the microwave to lose power. They are both on the same circuit. When I tested the voltage at the microwave outlet it read 48 volts. That usually means a ground reference problem. Take the bulbs out and the microwave lights up and operates fine. I installed one LED and one incandescent it it works as well.



Any suggestions on a long life bulb preferably LED they doesn’t cause this issue?










share|improve this question







New contributor




Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











Here is a fun one. I installed 2 LED bulbs into my Genie garage door opener and it caused the microwave to lose power. They are both on the same circuit. When I tested the voltage at the microwave outlet it read 48 volts. That usually means a ground reference problem. Take the bulbs out and the microwave lights up and operates fine. I installed one LED and one incandescent it it works as well.



Any suggestions on a long life bulb preferably LED they doesn’t cause this issue?







electrical led appliances






share|improve this question







New contributor




Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






New contributor




Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked 4 hours ago









Pete

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1062




New contributor




Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Pete is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












  • Hello, and welcome to Stack Exchange. There's no way one device on a properly-wired circuit can make another device see only 48V without throwing the breaker. Something else is wrong; any idea what it could be?
    – Daniel Griscom
    3 hours ago










  • Have you tested with the Genie LED lights on and off?
    – BillDOe
    3 hours ago










  • Possibly the LED bulbs are putting a pile of electrical noise on the line, which could potentially both mess up the microwave and the voltmeter reading.
    – Ken Shirriff
    1 hour ago










  • This circuit powers the garage outlets which is the door opener, a freezer, and since the garage is next to the kitchen it sounds like it was the easiest path to power an installed microwave. The house is 40 years old and I have lived in it for 15. There hasn’t been any issue with power prior to installing the LED bulbs. I know older dimmers and control circuits can behave strangely with LED and CFL bulbs. Maybe the genie uses and older engineered method of control.
    – Pete
    13 mins ago




















  • Hello, and welcome to Stack Exchange. There's no way one device on a properly-wired circuit can make another device see only 48V without throwing the breaker. Something else is wrong; any idea what it could be?
    – Daniel Griscom
    3 hours ago










  • Have you tested with the Genie LED lights on and off?
    – BillDOe
    3 hours ago










  • Possibly the LED bulbs are putting a pile of electrical noise on the line, which could potentially both mess up the microwave and the voltmeter reading.
    – Ken Shirriff
    1 hour ago










  • This circuit powers the garage outlets which is the door opener, a freezer, and since the garage is next to the kitchen it sounds like it was the easiest path to power an installed microwave. The house is 40 years old and I have lived in it for 15. There hasn’t been any issue with power prior to installing the LED bulbs. I know older dimmers and control circuits can behave strangely with LED and CFL bulbs. Maybe the genie uses and older engineered method of control.
    – Pete
    13 mins ago


















Hello, and welcome to Stack Exchange. There's no way one device on a properly-wired circuit can make another device see only 48V without throwing the breaker. Something else is wrong; any idea what it could be?
– Daniel Griscom
3 hours ago




Hello, and welcome to Stack Exchange. There's no way one device on a properly-wired circuit can make another device see only 48V without throwing the breaker. Something else is wrong; any idea what it could be?
– Daniel Griscom
3 hours ago












Have you tested with the Genie LED lights on and off?
– BillDOe
3 hours ago




Have you tested with the Genie LED lights on and off?
– BillDOe
3 hours ago












Possibly the LED bulbs are putting a pile of electrical noise on the line, which could potentially both mess up the microwave and the voltmeter reading.
– Ken Shirriff
1 hour ago




Possibly the LED bulbs are putting a pile of electrical noise on the line, which could potentially both mess up the microwave and the voltmeter reading.
– Ken Shirriff
1 hour ago












This circuit powers the garage outlets which is the door opener, a freezer, and since the garage is next to the kitchen it sounds like it was the easiest path to power an installed microwave. The house is 40 years old and I have lived in it for 15. There hasn’t been any issue with power prior to installing the LED bulbs. I know older dimmers and control circuits can behave strangely with LED and CFL bulbs. Maybe the genie uses and older engineered method of control.
– Pete
13 mins ago






This circuit powers the garage outlets which is the door opener, a freezer, and since the garage is next to the kitchen it sounds like it was the easiest path to power an installed microwave. The house is 40 years old and I have lived in it for 15. There hasn’t been any issue with power prior to installing the LED bulbs. I know older dimmers and control circuits can behave strangely with LED and CFL bulbs. Maybe the genie uses and older engineered method of control.
– Pete
13 mins ago












1 Answer
1






active

oldest

votes


















4














No, because you have worse problems than that.



The situation of "LEDs make it fail/act weird, but even one incandescent fixes it" indicates only one thing: a powered switch of some kind, a dimmer, lighted switch, smart switch, motion sensor, something/anything like that.



Obviously, nothing like that should have any relationship whatsoever with your microwave, but the evidence is clear that it does.



And the problem is not as simple as identifying the smart device and changing it to a dumb switch. Something is fundamentally, seriously wrong and dangerous with that circuit, this is just the "canary in the coal mine".



Also beware of multi-wire branch circuits -not that there's anything wrong with them if done right, but they are much more sensitive to being done wrong.



You might also change the breaker to GFCI - it will help motivate you -- I mean will help detect faulty wiring.






share|improve this answer





















  • I still dislike MWBS, but +1 "You might also change the breaker to GFCI - it will help motivate you"
    – noybman
    1 hour ago










  • There are very few appliances on that circuit and no specialized controls since it’s supplying power to a garage. When I unplug the opener it shows 120 volts to the microwave. The freezer in the garage operates regardless. Also when the opener is connected with LED bulbs installed the power shows 48v hot to neutral and 120v hot to ground at the microwave. Other research (google) talks about reference ground. May be time to replace the opener.
    – Pete
    5 mins ago











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1 Answer
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1 Answer
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active

oldest

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active

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4














No, because you have worse problems than that.



The situation of "LEDs make it fail/act weird, but even one incandescent fixes it" indicates only one thing: a powered switch of some kind, a dimmer, lighted switch, smart switch, motion sensor, something/anything like that.



Obviously, nothing like that should have any relationship whatsoever with your microwave, but the evidence is clear that it does.



And the problem is not as simple as identifying the smart device and changing it to a dumb switch. Something is fundamentally, seriously wrong and dangerous with that circuit, this is just the "canary in the coal mine".



Also beware of multi-wire branch circuits -not that there's anything wrong with them if done right, but they are much more sensitive to being done wrong.



You might also change the breaker to GFCI - it will help motivate you -- I mean will help detect faulty wiring.






share|improve this answer





















  • I still dislike MWBS, but +1 "You might also change the breaker to GFCI - it will help motivate you"
    – noybman
    1 hour ago










  • There are very few appliances on that circuit and no specialized controls since it’s supplying power to a garage. When I unplug the opener it shows 120 volts to the microwave. The freezer in the garage operates regardless. Also when the opener is connected with LED bulbs installed the power shows 48v hot to neutral and 120v hot to ground at the microwave. Other research (google) talks about reference ground. May be time to replace the opener.
    – Pete
    5 mins ago
















4














No, because you have worse problems than that.



The situation of "LEDs make it fail/act weird, but even one incandescent fixes it" indicates only one thing: a powered switch of some kind, a dimmer, lighted switch, smart switch, motion sensor, something/anything like that.



Obviously, nothing like that should have any relationship whatsoever with your microwave, but the evidence is clear that it does.



And the problem is not as simple as identifying the smart device and changing it to a dumb switch. Something is fundamentally, seriously wrong and dangerous with that circuit, this is just the "canary in the coal mine".



Also beware of multi-wire branch circuits -not that there's anything wrong with them if done right, but they are much more sensitive to being done wrong.



You might also change the breaker to GFCI - it will help motivate you -- I mean will help detect faulty wiring.






share|improve this answer





















  • I still dislike MWBS, but +1 "You might also change the breaker to GFCI - it will help motivate you"
    – noybman
    1 hour ago










  • There are very few appliances on that circuit and no specialized controls since it’s supplying power to a garage. When I unplug the opener it shows 120 volts to the microwave. The freezer in the garage operates regardless. Also when the opener is connected with LED bulbs installed the power shows 48v hot to neutral and 120v hot to ground at the microwave. Other research (google) talks about reference ground. May be time to replace the opener.
    – Pete
    5 mins ago














4












4








4






No, because you have worse problems than that.



The situation of "LEDs make it fail/act weird, but even one incandescent fixes it" indicates only one thing: a powered switch of some kind, a dimmer, lighted switch, smart switch, motion sensor, something/anything like that.



Obviously, nothing like that should have any relationship whatsoever with your microwave, but the evidence is clear that it does.



And the problem is not as simple as identifying the smart device and changing it to a dumb switch. Something is fundamentally, seriously wrong and dangerous with that circuit, this is just the "canary in the coal mine".



Also beware of multi-wire branch circuits -not that there's anything wrong with them if done right, but they are much more sensitive to being done wrong.



You might also change the breaker to GFCI - it will help motivate you -- I mean will help detect faulty wiring.






share|improve this answer












No, because you have worse problems than that.



The situation of "LEDs make it fail/act weird, but even one incandescent fixes it" indicates only one thing: a powered switch of some kind, a dimmer, lighted switch, smart switch, motion sensor, something/anything like that.



Obviously, nothing like that should have any relationship whatsoever with your microwave, but the evidence is clear that it does.



And the problem is not as simple as identifying the smart device and changing it to a dumb switch. Something is fundamentally, seriously wrong and dangerous with that circuit, this is just the "canary in the coal mine".



Also beware of multi-wire branch circuits -not that there's anything wrong with them if done right, but they are much more sensitive to being done wrong.



You might also change the breaker to GFCI - it will help motivate you -- I mean will help detect faulty wiring.







share|improve this answer












share|improve this answer



share|improve this answer










answered 1 hour ago









Harper

65.9k343133




65.9k343133












  • I still dislike MWBS, but +1 "You might also change the breaker to GFCI - it will help motivate you"
    – noybman
    1 hour ago










  • There are very few appliances on that circuit and no specialized controls since it’s supplying power to a garage. When I unplug the opener it shows 120 volts to the microwave. The freezer in the garage operates regardless. Also when the opener is connected with LED bulbs installed the power shows 48v hot to neutral and 120v hot to ground at the microwave. Other research (google) talks about reference ground. May be time to replace the opener.
    – Pete
    5 mins ago


















  • I still dislike MWBS, but +1 "You might also change the breaker to GFCI - it will help motivate you"
    – noybman
    1 hour ago










  • There are very few appliances on that circuit and no specialized controls since it’s supplying power to a garage. When I unplug the opener it shows 120 volts to the microwave. The freezer in the garage operates regardless. Also when the opener is connected with LED bulbs installed the power shows 48v hot to neutral and 120v hot to ground at the microwave. Other research (google) talks about reference ground. May be time to replace the opener.
    – Pete
    5 mins ago
















I still dislike MWBS, but +1 "You might also change the breaker to GFCI - it will help motivate you"
– noybman
1 hour ago




I still dislike MWBS, but +1 "You might also change the breaker to GFCI - it will help motivate you"
– noybman
1 hour ago












There are very few appliances on that circuit and no specialized controls since it’s supplying power to a garage. When I unplug the opener it shows 120 volts to the microwave. The freezer in the garage operates regardless. Also when the opener is connected with LED bulbs installed the power shows 48v hot to neutral and 120v hot to ground at the microwave. Other research (google) talks about reference ground. May be time to replace the opener.
– Pete
5 mins ago




There are very few appliances on that circuit and no specialized controls since it’s supplying power to a garage. When I unplug the opener it shows 120 volts to the microwave. The freezer in the garage operates regardless. Also when the opener is connected with LED bulbs installed the power shows 48v hot to neutral and 120v hot to ground at the microwave. Other research (google) talks about reference ground. May be time to replace the opener.
– Pete
5 mins ago










Pete is a new contributor. Be nice, and check out our Code of Conduct.










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