Brand: EPSON
Category: Projector
Document Type: Manual
Language: EN
Manual for CP-EX5001WN/CP-EW5001WN
Uploaded: Nov. 21, 2025, 7:25 p.m.
Warranty Information
Please refer to the "Specifications" section in the User's Manual (concise) for warranty information.
- Powering On/Off: Ensure the power cord is securely connected. Press the STANDBY/ON button to turn the projector on or off. The POWER indicator will turn green when on and blink orange when cooling down after being turned off.
- Basic Operation: Use the INPUT button to select the desired input source. Adjust volume with VOLUME +/- buttons. Use the MUTE button to temporarily silence the audio.
- Menu Navigation: Press the MENU button to access the EASY MENU or ADVANCED MENU. Use the arrow buttons to navigate and ENTER to select options.
- Image Adjustment: Access the PICTURE menu for settings like BRIGHTNESS, CONTRAST, COLOR, etc. The IMAGE menu offers ASPECT ratio and position adjustments.
- Setup: The SETUP menu allows for AUTO KEYSTONE correction, PERFECT FIT, and other image optimization settings.
Troubleshooting and error codes
| Phenomena that may be easy to be mistaken for machine defects | ||
| Phenomenon | Cases not involving a machine defect | Reference page |
| Power does not come on. | The electrical power cord is not plugged in. Correctly connect the power cord. | 16 |
| The main power source has been interrupted during operation such as by a power outage (blackout), etc. Please disconnect the power plug from the power outlet, and allow the projector to cool down at least 10 minutes, then turn the power on again. | 16 | |
| Either there is no lamp and/or lamp cover, or either of these has not been properly fixed. Please turn the power off and disconnect the power plug from the power outlet, and allow the projector to cool down at least 45 minutes. After the projector has sufficiently cooled down, please make confirmation of the attachment state of the lamp and lamp cover, and then turn the power on again. | 98 | |
| Neither sounds nor pictures are outputted. | The signal cables are not correctly connected. Correctly connect the connection cables. | 12 ~ 15 |
| Signal source does not correctly work. Correctly set up the signal source device by referring to the manual of the source device. | – | |
| The input changeover settings are mismatched. Select the input signal, and correct the settings. | 24, 25 | |
| The BLANK function for pictures and the MUTE function for sounds are working. AV MUTE may be active. Refer to the item "Sound does not come out" and "No pictures are displayed" on the next page to turn off the MUTE and BLANK functions. | 23, 30 | |
| Sound does not come out. | The signal cables are not correctly connected. Correctly connect the audio cables. | 12 ~ 15 |
| The MUTE function is working. Restore the sound pressing MUTE or VOLUME +/- button on the remote control. | 23 | |
| The volume is adjusted to an extremely low level. Adjust the volume to a higher level using the menu function or the remote control. | 23, 52 | |
| The AUDIO SOURCE/SPEAKER setting is not correct. Correctly set the AUDIO SOURCE/SPEAKER in AUDIO menu. | 52 | |
| The Sound button (⌧) or checkbox is disabled. If you have selected USB TYPE B, put a check mark on the Sound checkbox in the Options window of "LiveViewer Lite for USB". If you have selected LAN, put a check mark on the Option menu of "LiveViewer". | 84, 93, 97 | |
| No pictures are displayed. | The lens cover is attached. Remove the lens cover. | 4 |
| The signal cables are not correctly connected. Correctly connect the connection cables. | 12 ~ 15 | |
| The brightness is adjusted to an extremely low level. Adjust BRIGHTNESS to a higher level using the menu function. | 35 | |
| The computer cannot detect the projector as a Plug-and-Play monitor. | 11 | |
| The BLANK screen is displayed. Press BLANK button on the remote control. | 30 | |
| COMPUTER IN2 is set to MONITOR OUT. Set COMPUTER IN2 to AUTO or SYNC ON G OFF. | 44 | |
| No pictures are displayed. (continued) | "Waiting for connection." remains displayed even though the USB TYPE B port is selected. Remove the USB cable and reconnect after a while. | 13 |
| The projector does not recognize the USB storage device inserted into USB TYPE A port. Before removing the USB storage device, be sure to use the REMOVE USB function on the thumbnail screen, which appears when the USB TYPE A port is selected as the input source. | 13, 84 | |
| Video screen display freezes. | The FREEZE function is working. Press FREEZE button to restore the screen to normal. | 30 |
| Colors have a faded-out appearance, or Color tone is poor. | Color settings are not correctly adjusted. Perform picture adjustments by changing the TEMP, COLOR, TINT and/or COLOR SPACE settings, using the menu functions. | 37, 42 |
| COLOR SPACE setting is not suitable. Change the COLOR SPACE setting to AUTO, RGB, SMPTE240, REC709 or REC601. | 42 | |
| Pictures appear dark. | The brightness and/or contrast are adjusted to an extremely low level. Adjust BRIGHTNESS and/or CONTRAST settings to a higher level using the menu function. | 35 |
| The projector is operating in ECO MODE. Set ECO MODE in the LAMP & FILTER menu to NORMAL. | 48 | |
| The lamp is approaching the end of its product lifetime. Replace the lamp. | 98, 99 | |
| Pictures appear blurry. | Either the focus and/or horizontal phase settings are not properly adjusted. Adjust the focus ring, and/or H PHASE using the menu function. | 26, 41 |
| The lens is dirty or misty. Clean the lens referring to the section Caring for the lens. | 103 | |
| Some kind of image degradation such as flickering or stripes appear on screen. | When the projector is operating in ECO MODE, flickering may appear on screen. Set ECO MODE in the LAMP & FILTER menu to NORMAL. | 48 |
| The OVER SCAN ratio is too big. Adjust OVER SCAN in the IMAGE menu smaller. | 40 | |
| Excessive VIDEO NR. Change the setting of VIDEO NR in the INPUT menu. | 42 | |
| The FRAME LOCK function cannot work on the current input signal. Set FRAME LOCK in the INPUT menu to OFF. | 44 | |
| The sound or image is unstable or is output intermittently. | When LAN, USB TYPE A or USB TYPE B port is selected, some ports of the output may be missing due to signal processing delay. Change the signal or use another port. | 24, 52 |
| The computer cannot start up in the current USB TYPE B port of the projector does not start up. | The computer cannot start up in the current hardware configuration. Disconnect the USB cable from the computer, then reconnect it after starting up the computer. | 13 |
| RS-232C does not work. | The SAVING/NETWORK(WOL) function is working. Select NORMAL for STANDBY MODE item in the SETUP menu. | 50 |
| The COMMUNICATION TYPE for the CONTROL port is set to NETWORK BRIDGE. Select OFF for COMMUNICATION TYPE item in the OPTION - SERVICE - COMMUNICATION menu. | 69 | |
| NETWORK BRIDGE function does not work. | The NETWORK BRIDGE function is turned OFF. Select NETWORK BRIDGE for COMMUNICATION TYPE item in the OPTION - SERVICE - COMMUNICATION menu. | 69 |
| Network does not work. | The SAVING/NETWORK(WOL) function is working. Select NORMAL for STANDBY MODE item in the SETUP menu. | 50 |
| The same network address is set for both wireless and wired LAN. Change the network address setting for wireless or wired LAN. | – | |
| Schedule function does not work. | The SAVING/NETWORK(WOL) function is working. Select NORMAL for STANDBY MODE item in the SETUP menu. | 50 |
| The internal clock has been reset. Check the DATE AND TIME setting for WIRELESS SETUP or WIRED SETUP in the NETWORK menu. | – | |
| When the projector is connected to the wired LAN, it powers off and on as described below. | Disconnect the LAN cable and check that the projector is working properly. If this phenomenon occurs after connecting to the network, there may be a loop between two Ethernet switching hubs within a network, as explained below. - There are two or more Ethernet switching hubs in a network. - Two of the hubs are doubly connected by LAN cables. This double connection forms a loop between the two hubs. Such a loop may have an adverse effect on the projector as well as the other network devices. Check the network connection and remove the loop by disconnecting the LAN cables such that there is only one connecting cable between two hubs. | – |
| Unable to save the CLONING data. | USB memory is out of memory. Please delete unnecessary files to free up memory. At least 1MB of memory is needed. USB memory is write-protected. Unlock the USB memory. | – |
| Unable to load the CLONING saved data. | Unable to find the saved data from USB memory. Execute SAVE then LOAD by going through the procedure. File name of USB memory doesn't match. Please assign "pj_data.bin" for setting data, and for "MyScreen" "pj_logo.bmp" or "pj_logo.gif". STANDBY mode is set to SAVING or NETWORK(WOL). Select NORMAL in STANDBY MODE under SETUP menu beforehand to load the CLONING data using set control panel on the projector while the lamp is in standby state. | 70 ~ 72 |