Questions tagged [troubleshooting]
The troubleshooting tag has no usage guidance.
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2answers
40 views
If a receptacle is added from a switch box, will the receptacle only work when the switch is off?
When I was a new electrician, one day I discovered I could read 120v across the terminals of an open switch. I was bothered by this thinking someone had wired it wrong, but I couldn't understand why ...
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1answer
19 views
Trouble-shooting recessed light problem
I have 4 recessed lights on a single switch/circuit. One of them stopped working. I assumed that the bulb went bad, but have replaced it with multiple known-working bulbs. Also confirmed that the ...
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2answers
125 views
Sparks and no power after accidental short
I replaced the garbage disposal at my in-laws' place that has been leaking for years. It's an old house, and nothing in the panel is labeled. So I flipped what I assumed to be the right breaker and ...
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1answer
45 views
HTS7200 home theater replaced drive (hacked/tweaked) detects disc but won't play blu-ray only [closed]
Downvote.... It doesn't fit on electronics.stackexchange.com, it doesn't fit here.... where else? Don't start to downvote, tell me where to go if it is wrong to place it here on this site.
Edit: ...
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2answers
77 views
Why does it take 20-30 seconds for a fluorescent tube to start?
One of the fluorescent lights in my apartment does nothing for long seconds or sometimes even minutes when turned on (then it surprises me when it suddenly comes on). It behaves as if there were some ...
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1answer
58 views
Why is my dishwasher drain pump constantly running?
We have a late 1960's Kitchenaid Superba (by Hobart) dishwasher.
Problem: the drain operates continuously, so the dishwasher can never fill with water. (The water comes in, but it's immediately ...
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0answers
72 views
Can anyone identify this material? Having a hard time cutting it using a bi-metal hole saw
My FIL gave it to me, said he found it in when he was cleanig out an old cabinet shop. It's a very hard composite material of some sort. Fine-grained and powdery when I drilled a hole in it, the "...
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0answers
41 views
20 year old GenTran Switch Totally Dead
Just picked up a new generator after 23 years using the same one. Had to change over the three prong 220v plug in with a 220v twist plug. Been over a year since using backup power. Plugged in the ...
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0answers
67 views
Electrical outlet acting funny
My wife and I moved into our new house today. I plugged my phone charger in tonight and the outlet sparked and my breaker tripped. I then plugged a different charger in and it didn't trip. I went to a ...
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0answers
15 views
2 of 3 Monorail lighting system pendant lights work intermittently
Tech lighting brand 300 watt monorail lighting system installed in 2010. For the last couple years we’ve had problems with intermittent lighting with one of the pendants on suspension cables. ...
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0answers
44 views
Furnace Repair Gone Wrong?
My furnace stopped working last Saturday so I started troubleshooting to find the problem. I found that the board was not providing 110V to my inducer motor. So I determined that I needed a new board. ...
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1answer
21 views
How to attach eye hooks to glass fish tank to support a lightweight light fixture? [closed]
I have a 30" fishtank that, due to the filter setup, requires a light bar that doesn't stretch the entire tank. I have a wooden dowel that fits well inside two eye hooks; the dowel will serve as the ...
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0answers
23 views
Furnace won't light when fan commanded on
House and furnace are 5 years old. Furnace is an Allied A95UH2V090C16S-07 and is interlocked to a Lifebreath HRV. Functioned fine up until a couple days ago.
My wife calls me and tells me that ...
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1answer
72 views
3-way switch tied to box, one switch removed, can't make sense of it
I'm starting the question over.I'm having a hard time making sense of what's going on and I found out the other switch wasn't removed.
I have a light connected to two switches. One switch isn't ...
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0answers
97 views
Why do some light bulbs remain on when the switch is off? [duplicate]
We have a situation in our bathroom where we can’t turn the lights off fully. If the switch is on, bulbs 1&2 are on. If switched off, bulb 3 is on. We’ve taken bulb 3 out for now but would like to ...
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1answer
77 views
How can I tell if this appliance, a kiln, is using 208V single phase or three phase?
My kilns have recently stopped firing and it need new elements. I have to buy elements for specific voltage/phase combination. I didn't install the kilns - it was done by my studio mate before they ...
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1answer
56 views
What could cause unexpected high water usage?
An apartment water meter has been running high for the last three months for no apparent reason. It's now about 3,000 gallons higher than normal. The meter registers slow continuous usage - even ...
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0answers
44 views
Weird behavior on circuit but not tripping the breaker
Two years ago I had all the knob and tube wiring in my home replaced. Over the past couple of weeks we've observed some odd behavior on one of the new circuits. My LED lamp will randomly start ...
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1answer
786 views
First time testing old motion sensor outdoor light, with new LED bulbs, light flickers at constant fast hz, why? [duplicate]
What could cause a motion sensor to blink at a steady frequency when it is turned on?
We've had an outdoor motions sensor flood light that hasn't worked, we presume because the bulbs died. After much ...
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1answer
93 views
Possible causes of a loss of TV signal after reorganising masthead amp and splitter
I'm trying to diagnose an issue where my TV reports no terrestrial digital signal.
Some background. I've been doing a lot of home renovation and general improvement to my house over the last few ...
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0answers
29 views
How to tell if I have fault wiring
My office is running from one breaker (14 amp/120v) with 4 outlets and 1 light. I've had a laptop die while plugged into the wall and recently my UPS all audibly cycled on-off within 5 minutes of ...
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1answer
416 views
Light Fixture - power but no light
Yesterday I installed a new light over our dining table. At first everything seemed to work fine, but last night I turned on the light and it sparked and the light went out. I turned off the power and ...
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2answers
106 views
Issue with Blower Motor Not Spinning Up
I have a Dayton Blower motor. Model 3K617K. It has a clutch that is supposed to engage when it spins up. However mine never gets up to speed. It turns, but slowly and constantly makes the loud humming/...
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1answer
60 views
What is causing intermittent furnace ignition failure? How to Diagnosis?
I have been researching how to diagnose this intermittent lighting issue with my furnace but the common issues do not seem to apply.
Blower turns on
Ignition coil turns cherry red
Sound of gas blower ...
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2answers
32 views
Home thermostat woes
I tried to switch to a new smart thermostat in my home. When I was adding it, something happened. The new thermostat didn't show any power (And yes, the C wire was plugged in). Not knowing what else ...
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4answers
52k views
No power at outlets but breaker isn't tripped. What do I troubleshoot next?
My "Family Room Receptacles" have lost power. 6 total that I believe are all on the same breaker. I can not locate a GFCI anywhere. I have reset the breaker which also did not restore power. What ...
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2answers
686 views
Furnace entering lockout mode - air flow problem?
I have a Nordyne KG7SA, about 2009 vintage, which has begun acting strangely. We started noticing that the thermostat would drop several degrees below the set temperature before engaging. More ...
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0answers
307 views
Voltage imbalance on phase-neutral of three phase generator under load
Complaints of occasional voltage spikes blowing electrical items (computer, ac) in a compound.
A three phase four wire generator is powering a residential building with primarily single phase 230 ...
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1answer
2k views
Frigidaire dishwasher won't start (LED flashes instead)
I have a Frigidaire dishwasher model FDB1050REC2.
It's been working mostly fine for the last year. (Occasionally it doesn't start, but opening and closing the door and moving the dial to Rinse Only ...
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1answer
314 views
Correct drainage setup for a wall-mounted AC?
I have a wall-mounted AC unit. Specifically, a Fujitsu ASTG24LFCB. Recently water started leaking from the interior portion of the unit. I followed the instructions in this video to troubleshoot ...
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1answer
825 views
Goodman Model GPC1242H41CA Blowing Low volt fuse ONLY when heat is turned on
Good Afternoon from Florida!! I have a two year old Goodman Model GPC1242H41CA package unit that has heat strips, I had a short that eneded up causing me to replace the transformer and the control ...
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0answers
37 views
Receptacle Troubleshooting
I have an outdoor receptacle that isn't working. I've checked for a tripped breaker, I've tried replacing the receptacle, and I've confirmed that the breaker is getting power. Using a multimeter I've ...
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1answer
189 views
Outlet in laundry room is dead
My wife and I bought a house and had most of the outlets rewired (to add a ground wire mainly) when we bought the house.
Unfortunately, one outlet in the laundry closet (which is there the laundry ...
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3answers
5k views
Electrical shock when touching the water faucet in the shower
Yesterday when I took a shower, I got a pretty bad jolt of electricity in my arm when I was done showering, and was about to switch off the water faucet.
I immediately jumped out of the shower, ...
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0answers
50 views
Dryer not heating issue
My dryer is not heating. I checked the safety switches, heater, etc and found them to be ok. One check I made surprised me: a voltage check on the incoming terminals found 120 vac on each side of ...
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1answer
1k views
New GFCI outlet won't reset after tripping when load wires are connected
I'm attempting to replace the outlets above my kitchen counters after doing some remodeling. The old outlets were likely from the 1960's and I'm replacing them with 15 amp GFCI outlets.
We have 3 ...
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3answers
241 views
Water heater too hot, possibly caused by low water flow
I have a puzzle:
The water heater in a small building was too hot -- scalding. Turning the thermostat down to warm or even vacation didn't seem to make a measurable difference. We were about to ...
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1answer
83 views
Central air conditioning system isn't working
Ok, so I have done all the research I can and nothing is working. About 3 weeks ago my A/C was running fine nice and cold no issues. Came home to a house that was 97 degrees inside and started ...
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1answer
165 views
Skillsaw 5150 - blade won't turn if blade stud tight but blade won't cut if any looser
Blade won't turn if blade stud tight as I would normally have it. Any looser though it won't cut and the blade stops once it makes contact with the wood but the motor is still running. I assume I ...
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0answers
31 views
30 y.o. air pump troubleshooting. Where do I start?
500 sq.ft. apartment, 2nd floor, 32 y.o. through the wall, ducted air heat pump. The pump is installed in a closet next to the apartment (separate entry), and the air ducts spread from there along the ...
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0answers
26 views
Which components need replacing in my Frigidaire oven?
I've been having gradually worsening trouble with my electric double wall oven (Frigidaire model GLEB27T8ABA) for some time. The problems have become intolerable, and I intend to attempt a repair. ...
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0answers
76 views
shower stem replacement troubleshooting.
I replaced the hot water stem, went to HOME DEPOT and got a replacement. Price Pfizer is the brand according to the HD advisor. However I was wondering if you know or are aware of any tricks with it. ...
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2answers
481 views
Help with oversized furnace causing short cycle
I have just moved into a new home that had a pretty terrible HVAC system installed brand new by a flipper which has been causing me a ton of headaches.
My house is 2000 sq feet, and the furnace is ...
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1answer
9k views
Shower problem: Can't turn off hot water
I turned the tap fully clockwise, as usual, to turn of the water.
Still, a significant volume of hot water continued to flow.
I removed the tap handles and used some locking pliers to twist the ...
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1answer
285 views
Shaking electric furnace
anyone have an idea about this ?
My furnace fan is running 24/7 and make no special sound.
But when the heat turn on the fan start vibrating and making noise in the house. If I remove the panel (...
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1answer
545 views
Non-contact tester shows voltage in house circuit while three-lamp tester shows none
None of the outlets or lights in my bedroom work. My non-contact tester shows the outlets are hot. My three lamp tester shows no juice reaching the outlets ( no lights light up when it's plugged in). ...
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1answer
888 views
Furnace flames run for a minute then shut off
I have a furnace (Model: NUGK050CF01) that has recently been experiencing some weird behavior. The furnace will come on (I can see the flames) and it will run for a little over a minute. Then the ...
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0answers
138 views
Troubleshooting: Why does my multimeter not work when a non-contact volt detector shows current?
I recently purchased a 1970's home, and the lights in one room don't work. Troubleshooting yields odd results, and I don't know where to check next.
The room
A fairly standard secondary room on the ...
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0answers
171 views
Is my three-way switch miswired and causing an outage elsewhere?
I was planning to replace a three way switch in my garage, but after replacing it, a section of my house went dark. I ended up replacing the original switch to do some troubleshooting. The problem ...
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2answers
449 views
Troubleshooting Garage Door Opener (GDO) safety sensors
A Linear Brand GDO (model LD033) does not close unless the wired button is held down.
I believe optical safety sensors:
may have been exposed to flood water (hurricane Matthew flooding)
LEDs are ...
