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Lasko Space Heaters Not Turning On: How to Fix It Yourself

When your Lasko Space Heater won't turn on, it's usually something simple — a power issue, a tripped safety switch, or a connection problem. Before panicking, work through these steps. Most of the time, the fix is free.

Medium10-20 minutesParts: $0

Tools Needed

Compressed airSoft brushMicrofiber cloth

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⚠️ Safety First

  • Unplug the space heater and let it cool completely before troubleshooting.
  • Never cover a space heater or place objects on top of it.
  • Keep space heaters at least 3 feet from any flammable materials.

Before You Start

Parts You May Need

Lasko Space Heater Replacement Parts

~$10-$30

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Step-by-Step Repair

  1. Step 1 of 6
    1

    Check the power source

    Make sure the outlet is working by plugging in something else (like a lamp). Check if the power cord is fully plugged in at both ends. For battery-powered devices, make sure the battery is charged and properly seated.

  2. Step 2 of 6
    2

    Look for a reset button

    Many devices have a small reset button (often red or recessed). Check the bottom, back, or side of your space heater. Press it firmly. If it clicks, that may have been the problem.

  3. Step 3 of 6
    3

    Check the circuit breaker or fuse

    Go to your electrical panel and check if any breakers have tripped (they'll be in a middle position). Flip any tripped breakers fully off, then back on. For plug-in fuses, check if they need replacement.

  4. Step 4 of 6
    4

    Try a full power cycle

    Unplug the device completely. Wait 2-3 minutes. While unplugged, press and hold the power button for 30 seconds (this drains residual power). Plug it back in and try again.

  5. Step 5 of 6
    5

    Inspect the power cord and connections

    Look for frayed wires, bent prongs, loose connections, or burn marks on the plug. A damaged power cord is a common and inexpensive fix ($10-$20 for most replacement cords).

  6. Step 6 of 6
    6

    Test with a different outlet or power source

    Plug the device into a completely different outlet, preferably on a different circuit in your home. If it works on a different outlet, the problem is with your home's electrical, not the device.

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If That Didn't Work

  • The heater may be overheating due to dust buildup — clean the intake vents.
  • The tip-over safety switch may be triggered — place the heater on a flat, stable surface.
  • The thermal cutoff may have tripped — unplug for 30 minutes then try again.

When to Call a Professional

Space heaters are inexpensive ($20-$80) and contain high-voltage components. If basic cleaning and resetting doesn't fix the issue, replacing the heater is almost always safer and cheaper than repairing it.

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Disclaimer: This guide is for informational and educational purposes only and does not constitute professional repair advice. All repairs are performed at your own risk. RepairItFree.com is not liable for any personal injury, property damage, device damage, voided warranties, or other losses resulting from the use of this information.

If you are unsure about any step — especially anything involving electricity, gas, water, or refrigerant — stop and consult a qualified professional. Your safety is more important than saving money.

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