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I have a ASTA18LACM multi head unit in my bedroom & at night the unit makes a very load cracking noise (like a metal expansion noise) It is loud enough to wake me. I use it on quiet fan speed at night.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: My Fujitsu Halcyon Split ac/heater wall unit is

hi i have fujistu inverter2500/600 and it is shut down after 3 minutes after starting up

Posted on Dec 19, 2010

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SOURCE: Just had a Fujitisu 15 rls installed.It makes so

sounds like the noise is in the pipework,whether it is kinked or very hard against building?

Posted on Feb 07, 2011

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My Jandy lite 2 natural gas heater has a loud clicking noise. It fires up and heats my pool nicely. My problem is.... as it is heating there is a loud clicking noise from the gas valve area. It acts a


I would suspect that it is not the valve making the noise. I would bet it is the thermal expansion of the metal that you are hearing. Other than that, I have seen cases where there is a flow control valve, and depending on its operation, when it opens or closes on spring power it will over shoot and make a loud clicking noise as the clutch overshoots. This will usually only be about 2-4 clicks though, and around pool equipment I doubt you would hear much of it. I would bet more on the thermal expansion. Kind of like the clicking noise you will hear after you have parked your car and the engine is cooling down.

Apr 10, 2013 | Jandy Laars Lite 2 Pool Heater 250,000 BTU...

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MY GOODMAN HI EFFICIENT GAS FURNACE GMH950703BXA ,MAKE A CRAKING NOISE WHEN THE BURNER LIGHT UP AND IT GET LOUDER


Is it a cracking noise or does it sound more like metal stress (expansion & contraction)? If it's metal expansion, there may be a loose duct connection or strapping. If it's not metal expansion and contraction, check the burners for cracks, due to humidity dripping on them. If that's the case, obviously, they will need to be replaced. But, the question then is, where is the over production of humidity coming from. Is the Condensator pump not working properly or is the drain clogged up?
These are the thinkgs you need to check first.

Hope this helped you troubleshoot the problem.

Apr 07, 2011 | Heating & Cooling

1 Answer

Ariston LS2020 The lights come on , it makes the appropriate noise, but nothing else happens and it stays like that all night, making the noise. Any ideas?


Hello & Welcome to FixYa

What is this noise about, is it coming from the rear or bottom or from the control of the unit? If it comes from the control then it is the electronic board also known as the main board that is bad, if it comes from the bottom of the unit then it is the motor that needs to be checked and if it is a loud noise then it might be bearings that might have gone bad and needs replacement. Please get back to me if you have any other questions.

Kevin

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1 Answer

Make a humming noise and spins very slowly


MINE DOES THE SAME. HOUSING IS CRACKED THAT ATTATCHES TO DRUM. WHITE METAL CANNOT BE REPAIRED.

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1 Answer

Intermittent loud cracking noise when running, otherwise performs ok


Hello,
Does the loud cracking noise normally happen at night when its quiet.
Anyway whenever it happens it is most probably the automatic defrost heater kicking in and the noise you hear is ice melting.This could cut in every 12/14 hours depending on system and would normally run for about 15 mins.After this time the compressor should cut back in and the unit will run as normal.

Hope I helped.

May 13, 2010 | Bosch Classixx KGV28323 Bottom Freezer...

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I was using the oven when it made a real loud bang. I thought I had put metal in the microwave it was so loud. After the bang the oven died. I have checked the element and it looks fine...no white dust or...


This was most likely the oven liner "oil canning" due to thermal expansion. If the liner remained in this position, you will probably not experience the noise again. If it returned to it's original position when it cooled down, you may experience the noise again. Although alarming, it is by no means dangerous.

May 21, 2009 | Kitchen Ranges

1 Answer

My TV is making cracking noise


Its the plastic cassing making the noise. If you press the tv together along the edges you will here a crack. Samsung and others did not use 99 cent padding between the plastic and the metal you need cushion padding. Its like not using a gasket or seal. Its a simple fix but the tv companies say its expansion.

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Loud Knocking


If the noise is not coming from the fan as Buffalo suggests, it is most likely the expansion and contraction of the heat exchanger. The old school way to lessen the noise of expansion is to bank the combustion chamber with a hammer. I don't recommend it today because the metal is so thin (thus all the noise) and you may damage it. You will get used to it and the noise may soften the more it is used. You will never get it to stop.

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