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Questions tagged [troubleshooting]

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26 questions with no upvoted or accepted answers
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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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26 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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53 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
189 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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186 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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791 views

HVAC - hot air flowing on both zones when only 1 zone should be on

I have 2-zone forced air heating, with separate thermostats for each zone. Normally, if the thermostat in zone 1 triggers the system to go on, the heat will only blow through the vents in zone 1. ...
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37 views

lost voltage to outdoor light fixture

have an out door motion decter light suddenly w/o voltage to fixture. I traced romex from mdl to an in ceiling down light in laundry room. down light works fine, switches on and off. am I shooting the ...
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133 views

Why does my Whirlpool washing machine stop after the wash cycle?

My scenario: Whirlpool washing machine, mechanical timer/dial. It will fill with water, agitate during the wash cycle and at the END of the wash cycle it (the timer) clicks and stops completely. ...
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4k views

Would this buildup cause “dHE” error on an LG Tromm dryer?

Got the machine off craigslist. During the drying cycle it stops and shows the error. The user manual tells that with dHE error I should inspect the water supply, if the water supply is within spec, ...
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26 views

How to chase down an open neutral and low voltage issue

So I bought a home built in the '70s. The circuit in question includes a couple of garage outlets, half of the spare bedroom outlets/light which shares a wall with the garage, hallway light, and an ...
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73 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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52 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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74 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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33 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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49 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
125 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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30 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
68 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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371 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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39 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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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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28 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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83 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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198 views

Flashing LED down lights

Here's one for the master electricians. I just installed two new LED down lights and noticed this morning that when I turned them on they started flashing on-off at about a 1sec cycle. When I ...
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301 views

sliding window with electric roller shutter doesn't fully close

I have this window which doesn't fully close. It stucks at some point while closing. I can hear its electric motor still working but something prevents it from fully closing. So half of the holes are ...
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74 views

GPO Has No Power but All Breakers Are On

Have a weird one. I have three power points at opposite ends of the house that are on the same breaker. Randomly tonight power went out to them. All breakers are turned on and all other outlets work ...