Brand: EPSON
Category: Projector
Document Type: Parts/Service
Language: EN
Parts/Service for EMP-S4
Uploaded: Sept. 12, 2025, 4:24 a.m.
Manual Publish Date: 2006-05-09
- Power On/Off: Press the Power button on the remote or control panel.
- Source Selection: Use the Source Search button or [Computer]/[S-Video]/[Video] buttons to select input.
- Image Adjustment: Use [Wide]/[Tele] for size and [][] for keystone correction.
- Lens-Shutter: Open/close A/V mute slide to pause projection, turn off audio/video, or protect the lens.
- Color Modes: Use the [Color Mode] button to cycle through preset image settings.
- Audio Volume: Use the [Volume] buttons.
Troubleshooting and error codes
| Check Item | Tool | Standard |
| Insulation resistance check | Insulation ohmmeter | Insulation resistance should be 10 MΩ or more. |
| Ground continuity check | Multimeter | Should be no resistance (0.5 Ω or less) |
| Illumination check | Projector should operate normally with no smoke or fire. |