Thermacell MR300 Portable Mosquito Repeller

If something's not right

• The repellent mat changed color before 4 hours

  Likely cause: Environmental conditions — the mat still works

  Fix: Check or Adjust — Keep using it until the full 4 hours have passed.

  Source: manufacturer

• Won't light — no orange glow in the view window

  Likely cause: The fuel cartridge is empty

  Fix: Replace Part — Fit a new fuel cartridge from a refill pack. · Thermacell Mosquito Repellent Refills, 48-Hour Pack

  Source: manufacturer

• Won't light with a fresh cartridge

  Likely cause: The cartridge is loose, gas hasn't flowed yet, or the grill is covered

  Fix: Check or Adjust — Screw the cartridge in tightly, switch on and wait 10 seconds, click the start button repeatedly, and make sure nothing covers the grill.

  Source: manufacturer

What keeps the MR300 Portable Mosquito Repeller running