Overheating

How to Fix It

1. Power off and allow 30 minutes of cooling

   When TEMP flashes, the projector will shut itself down.
   Press Power and wait at least 30 minutes before investigating.
   Restarting while still hot will trigger another shutdown immediately.

2. Inspect and clear the air vents

   Check the air intake and exhaust vent grilles for dust build-up.
   Use compressed air to blow out dust from the outside of the vents.
   Do this outdoors or in a well-ventilated area.

3. Clean the dust filter

   Locate the filter door (on most BenQ models it is on the side or bottom).
   Remove the filter, tap it gently on a firm surface to dislodge dust, then blow it clean.
   Replace if torn or excessively dirty.

4. Ensure adequate ventilation clearance

   BenQ projectors require at least 30 cm of clear space on all sides.
   Avoid installing in sealed cabinets or on thick rugs.
   The exhaust vent must never face a wall or enclosed surface.

5. Switch to ECO lamp mode

   ECO lamp mode reduces power and heat output significantly.
   Press Menu > System Setup > Lamp Settings > Lamp Mode > ECO.
   This extends lamp life and helps in warmer room conditions.

6. Check the room temperature

   BenQ projectors are rated to operate at ambient temperatures up to 40°C (104°F).
   In very warm rooms or in direct sunlight, the projector may overheat even with clean filters.