Lasko Heater Blinking 88

Why Is My Lasko Heater Blinking 88 [Solved]

Lasko Heater is blinking 88 and the unit will go into the shut-off mode. This actually occurs when the heater goes through an unwanted or critical hardware issue. In specific words, your space heater will blink the error code 88 when the unit raises temperature dramatically. 

To eliminate the error code 88, hard reset the space heater first. Then, adjust the Thermostat settings correctly to get the best heating output out of your heater. Lastly, you should perform the maintenance task periodically to maintain the optimum performance. 

Table of Contents

How Do I Reset My Lasko Heater?

To reset your Lasko Heater Blinking Code 88: 

  • Unplug the heater from your electric outlet.
  • Leave your space heater for 10-15 minutes to let it cool down. 
  • After the time has elapsed, plug the heater into a 120V electric outlet and turn on the heater according to the operational instructions mentioned in the manual. 

How To Adjust Thermostat Setting On Lasko Heater?

Follow the below step-by-step instructions to adjust the thermostat setting properly: 

  • Allow the heater to warm up your room before setting the thermostat.
  • Turn the Thermostat Knob towards (+) to increase desired temperature and decrease the desired temperature by turning the Thermostat Knob towards (-).
  • When the desired temperature is reached, keep lowering the Thermostat until the heater shuts off. To do so, turn the Thermostat knob towards (-). 
  • Your heater will now automatically maintain the set temperature by cycling the unit on & off. 

Maintenance Tips

If you want to maintain the efficiency of the heater, you must clean the heater regularly. Cleaning the heater doesn’t only help to keep the unit well but also help you avoid the unwanted heater operations. 

  • Unplug the power cord before servicing or moving it. 
  • Never place your space heater near water. 
  • Clean the heater with a vacuum attached with a brush attachment. The vacuum can easily get rid of lint and dirt from the heater surface.
  • Don’t forget to clean the air filter and intake grills every two weeks. To do so, locate the air filter and take out the filter cover by pushing the tab in. Then, use your vacuum equipped with brush attachment to clean the intake grills. It will help maintain the optimum performance. 
  • Use a toothbrush to gently loosen up the debris that can’t be removed by the vacuum cleaner. 
  • Clean the body of the heater using a soft cloth only. 


Why Is My Lasko Heater blinking?

When you turn on your heater initially, the Power Light will come on. It indicates there is power at the unit and the light will remain lit until you unplug the space heater. However, if the nightlight keeps blinking, you must replace the air filter. 

Can you sleep with a Lasko heater on?

No, you can’t sleep with a Lasko Heater on. If you turn on your Lasko heater all the night, it doesn’t only pose a safety risk but also makes your skin dry. 


Lasko Heater blinks error code 88 if something critical hardware issues occur to your space heater. 

To erase the error code, just unplug the heater from the electric outlet. Then, plug the heater again into the outlet after 10-15 minutes.   

Happy Plumbing!

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