Question about Lasko 5610 Baseboard Heater

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Lasko 5610 red caution light, no power

My Lasko space heater's red "caution" light is on, and the heater no longer heats. What exactly is the message it's sending me? Element shorted out, switch not functioning, insufficient voltage? ls there anyway to reset it?

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  • Anonymous Jan 20, 2008

    I have the same model, and my "Caution" light recently came on, and the heater stopped working. Does this mean it needs to be replaced, or is there something I can do to safely reset it? I am not very familiar with the inner workings of electronic devices, so testing functions on a circuit board is out of the question for me unless made very straight-forward and simple.

  • Anonymous Mar 06, 2008

    I also have the same problem with the red caution light.I too plan on trying the solution listed here! Thanks for the advise.

  • maxine1215 Apr 15, 2008

    i have the same problem c with the red light and its not working can you please tell me what to do

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3 Answers

The thermal resister between the two reset breakers on the bottom is what the problem with mine was

Posted on Mar 12, 2008

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In the bottom of th e 5610 there are 2 automatic reset breakers. In betwene the two there is wire connecting them together. In the middle of this wire is a thermal resister and thats what repaired mine. Replace it and your heater will heat again.

Posted on Mar 06, 2008

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The caution light is telling you something is wrong. most wired baseboard heaters have a hi limit cutout that may be bad.  it is connected into the heater circuit as a safety device.  you could jump out this element to test this theory.  if the element is shorted, certainly it would blow a fuse or circuit breaker.  if the element is open it won't heat at all.  you need to take it apart and use a test meter to troubleshoot it.

Posted on Oct 15, 2007

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I also have the model 5620. with the yellow caution light on. After taking the unit completely apart I found 2 thermal fuses on the bottom of the unit(appox. size of a nickel). They are located under 'U" shaped brackets which are below the medal heating element. The thermal fuses do not reset. you could test them with a drip or two of souder or wire on the top - if you ran the heater this way it would be a safety problem as the fuse would be overridden. I am throwning mine away.

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It depends on what kind of heating element you are referring to. If you have a test meter it is very easy. With the meter set to resistance put a test probe at each end of the element. The reading should be very low, almost short-circuit. If you're not technically minded, your probably completely lost by now...sorry.

The only other thing you can do is take a close look at it. If it is badly discoloured or has blackened, it has probably had it.

Without knowing more about the appliance and a few more details it is difficult to give any further advice.

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4 Answers

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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.

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