Question about Lasko 5540 Ceramic Compact Heater

4 Answers

Keeps shutting off

Heater keeps shutting off ater short operation.have tried cutting off for ten minutes as suggested in manual instructions, have also checked the timer, but heater runs for a awhile and continues to shut off.

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  • Anonymous Jan 19, 2008

    i have the same problem

  • jennifem58 Jan 25, 2008

    I had this same problem as well for the Lasko 5540 as what smelled like an electrical smoldering which is awful. Had to take the unit outside to get the smell out of the house. I cannot find this particular model as a 'recall' and I'm not exactly electrically inclined. Any assistance is appreciated

  • blaxpax Feb 16, 2008

    NO HELP

  • Anonymous Oct 15, 2008

    mine is Lasko model 5395 ,starts for 55 sec ,then turns self off then unit flash 88 code ?? have cleaned senor and vents??? help

  • Anonymous Dec 08, 2008

    I'm having the same problem with the Lasko 5395 Model. It keeps turning off after a little while and I have to unplug it for about 20 minutes or so before I can plug it back in. I picked it up by the handle on the back a while ago and moved it gently. Then when I moved it back and tried turning it on, it made a weird buzzing noise and started to smell like burning. I noticed some smoke coming out of the vent. I think it's time for a new heater unless Lasko can fix it. I've had the heater for about a year now. I never set the temperature above about 75 degrees maximum. Now it won't even go above 71 before it shuts off.

  • Anonymous Mar 21, 2014

    But it runs continually on low speed

  • Anonymous Mar 23, 2014

    after 3 or 4 minutes I can hear a clic. then heater works again

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I have a LASKO 5565 model fan and had a similiar problem. Cleaned the whole unit, thinking it was tripping the safety breakers, and it still would turn on and off. The control console was completely unusable. So then I thought that it was maybe the squat switch located on the bottom of the unit. I quickly deduced that not to be the problem and continued following the wiring. Just above the fan there is a 1/2"X1/2" thermostat. Upon touching it I almost burned myself. For some reason the unit was grounding here and cause the thermostat to heat up and shut the unit off. I took the thermostat out of the equation and the unit works great.

CAUTION: If you pursue this action you must understand that you no longer have a thermostat and the unit is now simply just a heater. It will either be on at full blast heat or it will be off. Good luck.

Posted on Nov 20, 2008

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I had one of these that would immediately start to heat up when just plugging into the wall without turning it on! Then it would shutdown from an overheat condition. I found the bad part! Mouser Part #: 771-BT139-800E127
I think the one that was in there was rated 600v, so this 800v is much better. I think this is a hazzard if you ask me. When that part goes out it creates a shorted condition. I put a watt meter on it and it was drawing over 1700 watts. But after replacing the part its been working great since then.

Posted on Jun 15, 2011

  • Hellpit Jun 15, 2011

    FYI, this was on the 5565 Model.

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Omg it does the same thing for me.

Posted on Mar 09, 2008

Please help I have the same problem

Posted on Feb 13, 2008

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