Brand: Mitsubishi
Category: Projector
Document Type: Manual
Language: EN
Brand: Mitsubishi
Category: Projector
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 9:26 p.m.
Consult the dealer for warranty information.
Powering On:
Powering Off:
| Problem | Solution |
|---|---|
| Power can not be turned on. | Check power cord connection. Remove any objects blocking air inlet/outlet grilles. Clean filter if clogged. Wait for STATUS indicator to stop blinking before pressing POWER. Replace lamp if STATUS indicator is steady red. |
| No image appears on the screen. | Check lens cap removal. Wait for lamp to light up (approx. 1 minute). Check for fan rotation if projector was turned off before cooling. Clean intake vent. Ensure lamp cover is closed. Check cable connections. Use supplied cable or RGB signal amplifier if needed. |
| Power turns off. | Remove objects blocking intake/exhaust vents. Wait for fans to stop, unplug power cord, wait 10 minutes, plug back in, and press POWER. Replace lamp if STATUS indicator is steady red. Check AUTO POWER OFF setting. Lamp deterioration may cause shutdown. |
| The screen for entering the password appears. | Password function is enabled. Enter password or contact administrator. |
| "NO SIGNAL" is displayed. | Check connected device power. Verify external device output signals. Check cable and terminal connections. Ensure correct input source is selected. Use supplied cable or RGB signal amplifier. |
| Images are not displayed correctly. | Check cable connection and firmness. Press AUTO POSITION. Adjust SIGNAL menu settings. Ensure projector and screen are perpendicular. Adjust projector/screen perpendicularity. Adjust BRIGHTNESS/CONTRAST. Replace lamp. Adjust focus. Clean lens. Adjust TRACKING and FINE SYNC. Reduce flicker with directional buttons. Stabilize projected image by projecting a dark image. |
| Red, blue, and green dots appear in projected images. | This is normal for LCD projectors; not a malfunction. |
| Black dots appear in projected images. | This is normal for LCD projectors; not a malfunction. |
| Fine streaks are seen on projected images. | Replace screen or adjust focus slightly. Enable LPF for streak noise from DVD player/game console. |
| Projected images become wavy. | Connect cables securely. Keep projector away from devices emitting radio waves. |
| Hue is not appropriate. | Check cable connections to external devices. |
| Tint in projected images is incorrect. | Ensure COMPUTER INPUT in SIGNAL menu is correctly set. Check cable connection. |
| Different color tint. | Color variations between projectors or compared to displays are normal. |
| Only the motion areas in the images supplied from the computer aren't displayed. | Contact computer manufacturer. |
| Projected images are obscured. | Match computer output resolution to projector resolution. Contact computer manufacturer. |
| The exhaust vents emit warm air. | Normal operation after cooling. |
| The menu can't be used. | Power cycle the projector and unplug/replug power cord. |
| "TEMPERATURE!!" is displayed. | Ambient temperature is too high. Ensure adequate ventilation. |
| The mark appears. | Ineffective operation. Check remote control batteries or sensor. |
| The remote control doesn't function easily or at all. | Check batteries. Ensure sensor is not exposed to direct light. Operate within range and distance. |
| The buttons on the control panel (except for the POWER button) don't function. | Password function (MENU ACCESS) is enabled. Cancel password lock or contact administrator. |
| The projector does not turn on. | Ensure lamp cover is securely attached. Reset lamp operating time. |
| The STATUS indicator blinks. | Reset lamp operating time. |