Question about Lasko 5132 Ceramic Compact Heater

8 Answers

Heater keeps shutting off !!

Heater shuts off after running about 10 minutes,I will unplug it for about 15 minutes to about an hour and when I plug it back in,it will only run for about 5-10 minutes before it shuts off again!!

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  • ody45 Dec 27, 2007

    You got to be kidding me,Your company wants me to pay almost 10 dollars for an answer?? Very bad policy by Lasko to help with their product problems!! I will buy another product if this is how you conduct your buisness online !! I will also tell my friends not to by your product if I can't get free advice on your product !!

  • Anonymous Mar 28, 2008

    I have the same problem with (2) units. I called Lasco and they suggested cleaning the intake air on the back of the units.



    I believe that they are probably junk at this point.



    The first ones I bought were recalled, and the replacements are not any better.

  • Anonymous May 23, 2008



    i've cleaned the air inlets for lint

  • Anonymous Oct 28, 2008

    mine shuts off too.. the vents on the back look clean to me, and still keeps shutting off.... may be its that thermo thing..

  • mnelsen Jan 29, 2009

    I have been having the same exact problem with my space heater. It was working fine for a while, and now it works for 5 minutes or so and then it turns off and makes a beeping sound when I try to press any button and won't allow for any functions to occur. When I unplug it for 10-15 min. and then turn it back on, it works again for a small amount of time and then does the same beeping/non-functioning thing... uggg

    this is VERY annoying considering that my room is freezing without it!


  • Anonymous Mar 27, 2014

    it will run for 2 minutes and shut down

  • Anonymous Mar 28, 2014

    Comfort zone heater how do we keep it from shutting off every 5 minutes

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I have model 5532, but I think they all have the same problem. There seems to be a safety device in the ceramic heater that turns off if it gets too hot. It "remembers" when this happens as well and will shut off until it is unplugged for 10-15 minutes.

This happens on even lightly used heaters if used in dusty conditions. Dust builds up behind the ceramic heater and the lack of flow causes it to overheat. The unit must be dismantled and the dust brushed/vacuumed out. The good news is that not only will the heater work again, but it will have better airflow too!

To do this, tech support and other people say to "clean the rear grill", but my rear was not dirty. The front grill had some dust that I vacuumed clean, but did not help. In my unit there are no filters before the air goes through the heater element. The problem is in the center of the heater. Taking out the internal fan (four screws on the sides of the squirrel fan box), I could see that the radiator was over half covered in dust. I cleaned that dust out using a shop vac and the problem went away.

Opening the heater was a little tricky, two of the screws were triangle head screws. Once inside, however, it is a simple proceedure to remove the fan. Of course, you should unplug the heater and wait a while before opening it up to make sure there are no electrical charges stored in the unit.

Posted on Apr 05, 2008

  • Ty Dietz
    Ty Dietz Jan 22, 2011

    First upplug the heater. Then remove the six screwsholding the back section to the front. two of these screws are tiangular heads. Carefully remove rear cover, trying not to disturb intake air sensor wiring. rotate back unit on a flat surface to expose motor. remove the six screws holding motor and fan unit in place, remove motor by carefully rolling it to one side. Clean all debris and dust from air filter screen by simply taking it out and washing it, dry it, clean intake to ceramic heater element with a soft brush or small vac. if possible blow all parts with compressed air , if not wipe as clean as you can. Replace screen , set motor and fan unit back on it's mounts, replace six mounting screws, replace back cover making sure to keep wire sensor in place. replace six screws with four of the originalscrews and purchase two more that have a philips head for future removal. It will now run like new for quite a long time, ayear or so, then repeat cleaning procedure when it starts shutting off again.

  • Christine Greenway
    Christine Greenway Mar 03, 2018

    Thank you Ty, very clear instructions.

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I pulled my heater apart to find out what to problem was. Using a screw extractor I removed the two security screws, if you can find the the tip for these triangular screws even better. The others you can use a phillips screwdriver. 
Mine was basically clogged with dirt causing the heater to overload and shutting off after just a few minutes.  I had a can of compressed air duster that I use when i clean up my computer i dusted the leaving it clean like a whistle. 
It did the job for me. 

Posted on Apr 01, 2008

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Mine was doing the same thing. cutting off after 5 or 10 min.i vacumed the back vents really well witha an upolstery brush, and it works fine now.

Posted on Jan 16, 2009

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It can be very dangerous for a heater to not be working properly. My family's last home caught on fire from a malfunction that we kept putting off. You should call up your local heating services to see what their advice would be. They could probably tell you over the phone what you can do or, better yet, come and repair your heater. HEATING SERVICES FOR THE LINCOLN NE AREA

Posted on Aug 19, 2015

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I figured it out before getting on here. heater strains to work if air flow is blocked and shuts down from overheating. its just doing its job before it catches fire and possibly killing you and your loved ones live clean live good stay warm

Posted on Jan 16, 2015

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I agree that lack of airflow is the #1 problem. It's similar to having no fan at all.
Mine was a bit different. My Vornado whole room heater had a loose connection on the spade terminal. I was testing them all and this one easily slipped right off. The loose connection would heat up and after an hour or so, the heat would transfer the inch or so to the high-temp cutout and shut down. By the time I noticed it would cool down and close the contact on the cutout which made it look like everything was fine when I'd hit the power button.
Pinching the connector a bit so it bit into the spade terminal better solved the problem.

Posted on Jan 01, 2018

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1) Have unit taken apart and professionally cleaned by someone you know.

2) Use compressed air and blow out all lint from front, back, and top of unit.
Make sure you run it outside the first time after you do this so the remaining
loose dirt won't be blow in your house.

Posted on Apr 26, 2012

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Every heater has a thermal sensor called a thermistor, or thermal resistor, that is used for temperature control. Same thing for hair dryers. After a while they can get sensitive to being heated and cooled and start to fail. When it fails again, take an air source and blow clean, cool air over the unit and see how long it takes to restart. If it starts within a few minutes of being cooled, than I would look at the thermistor.

Posted on Jan 22, 2008

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