Question about Lasko 5400 Ceramic Compact Heater

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Lasko 5400 ceramic electric compact heater makes loud noise when i turned it on not matter what setting..is this safe...i haven't used it in a long time

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: How to clean filter on Lasko tower ceramic heater

Thanks for the response = I blew the filter clean with a forced air canister.

Posted on Dec 01, 2008

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  • 10 Answers

SOURCE: lasko5840

The 5840 has a problem with dust getting on the heater element and turning itself off after 2 minutes running. HERE IS THE FIX. Unplug the unit from the AC outlet, Then using a can of dusting air ( the kind you use to clean a computer key board) aim the compressed air INTO the middle louver of the upper adjustable heater vent and blow out the dust that has gotten on the heater element. ( You are actually blowing into the unit, clearing off the lint/dust that has gotten on the backside of the heater element that you can not see without openning the entire case).You can see the front of the heater element inside the louvers, It's the shinny metal part that looks like a small radiator.It sits behind the middle louver. After blowing out the dust, shake the entire unit to allow the dust to settle to the bottom of the case. Using a vacum cleaner try to vacum out any dust from the LOWER FRONT intake. Once the dust has been blown OFF the heater element, the unit will work just as new and not shut itself down!

Posted on Oct 16, 2009

  • 1 Answer

SOURCE: I have a lasko tower ceramic heater that keeps shutting down.

mine does the same thing every year. I just clean out the dust from the vents on the back of the heater so the heater can breath otherwise it could get too hot and the safety fetcher kick in and makes the heater stop working.

Posted on Nov 18, 2009

  • 1 Answer

SOURCE: Lasko heater beeps too LOUD

I was cleaning out my Lasko ceramic heater 6000, looking for instructions on how to do so, and came across your comment. After I opened it up and cleaned everything out (really easy, no instructions needed, it is all obvious) I started thinking about how much I hate that beep as well. So I decided as long as I had it opened to try to disable it.
Well, I could tell from plugging and unplugging that it was (unfortunately) mounted on the under side of the green circuit board. You will have to unscrew the circuit board completely (all wires still attached) and (carefully!) move it so you can flip it upside down to get to the other side. Note: there were 7 screws to remove and 1 was under the motor and really hard to get to. The motor looked WAY too complicated to remove so I got the screw started just a little with a precision screw driver and turned it the rest of the way with needle nose pliers.
Once the circuit board is off, the beeper is a little black circular thing (about 1/2 inch in diameter) with a little hole in the middle. It has a serial number on it and a "+" symbol. It looks like it is built in two pieces (upper and lower), so I tried to carefully remove the upper piece with needle nose pliers while leaving the lower piece connected to the circuit board. Well, the whole thing ripped out! I thought two things: 1) It will never beep again, and 2) I hope this didn't break a circuit causing the whole thing to fail.
Well, I put the circuit board back on ( I left off the one difficult screw, as 6 of 7 is more than sufficient to hold it on). Put the whole unit back together, and . . . . IT WORKS FINE!!!!!
Good luck!

Posted on Dec 10, 2010

bigjohn007
  • 425 Answers

SOURCE: I just purchased a lasko model 5805 ceramic

look for the power rating of your heater (usually it is in Watts (W) and convert it to kilo Watts (kW) unit by diving it by 1000).

kW = W / 1000.

now divide the kW by hour many hours your planning to operate your unit.

power consumption = kW/operating hours

when you get your power consumption value then multiply it with the power cost (you can find it usually in your bill).

cost to operate = power consumption x power cost.

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Posted on Jan 01, 2011

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1 Answer

I have a Lasko 5141 Ceramic Electric Heater, and when I turn it on, I smell burning and the heater makes a whining noise. I've tried vacuuming it, should I try again or is there another step I should take?


You have an excess amount of lint buildup inside the ceramic element, you need to take the unit apart to clean the element. The fan housing covers the backside of the element and blows the air forward, over a period of time lint builds up.

You need a qualified person to take it apart safely and clean it. It takes a Special Chinese Triangle Bit screwdriver to remove the 2 tamper proof screws from the back. Purchased mine at mcmastercarr.com

Triangle Bits
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These power bits have a 1/4" hex shank and are 2" long.
Size(A) EachTA180.070"5941A11$3.77TA200.083"5941A123.77TA230.090"5941A133.78TA270.100"5941A143.77

Feb 22, 2011 | Lasko 5141 Ceramic Electric Heater

1 Answer

Whenn I turn my Lasko htr model # 5132 on it beeps twice n acts like there is no power. what can I do?


unplug the heater. clean the vents in the back using a vacuum cleaner hose attachment. wait 15 minute and plug the heater back in. This has worked for me.

Feb 14, 2010 | Lasko 5132 Ceramic Compact Heater

1 Answer

Won't turn on. It gave me a beep when I plugged


Have you cleaned the filter that's on the back? This has happened to me, and I just took the filter out and cleaned it, and it worked fine after.

Dec 27, 2009 | Lasko 5130 Ceramic Compact Heater

1 Answer

Dont know what buttons mean


hai sir the button which you are confused in is used only for reseting the equipment.please find your equipment seller for a copy of users manual.

Jan 29, 2009 | Lasko 5365 Ceramic Compact Heater

1 Answer

Lasko 5365 heater making growling sound.


sounds to me like you have a fan blade hitting something inside the unit, or the motor is going bad, thats the only moving parts to the unit unless it has a sweeping mode, moves from side to side, if it doesnt have that, then its your fan motor or blade, you probably need to replace the motor or the whole unit, as they are fairly inexspecive, but its your call, look inside the unit to see if anything is in there that might be making the noise as well, best of luck, hope that helped

Jan 19, 2009 | Lasko 5365 Ceramic Compact Heater

1 Answer

LASKO model 5400 ceramic heater


The contact are just a set of points. If you can remove them, file or sand, or whatever will do the job, a little on the place where the contacts touch. Usually that's all it takes. Make sure when the switch is turned on the lever/spring assembly moves and at least tries to make them touch. I don't really see a problem with directly wiring the fan. The only drawback is there is no real control except pulling the plug.

Mar 02, 2008 | Heating & Cooling

2 Answers

Popping, smoking electric Lasko 5540 heater


Connector for power cord overheats and shorts. Bottom safety screw can be undone using the bacj end of a jig saw blade.
Replace wire connectors with different wire connectors - wire nuts etc.

Nov 05, 2007 | Lasko 5540 Ceramic Compact Heater

1 Answer

Poping, smoking electric Lasko 5540 heater


It depends on where the smoke is coming from. If it's from the heating elements, it's normal as dust and residue burn off. If it is coming from the control section, it's bad and the heater should not be used.

Nov 05, 2007 | Lasko 5540 Ceramic Compact Heater

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