Troubleshooting
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of SERVICE item in OPTION menu (62) can reset all settings (except settings such as LANGUAGE, LAMP TIME, FILTER TIME, FILTER MESSAGE, SECURITY and NETWORK) to the factory default. Be sure to set ALTITUDE after resetting all the settings (57).
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it according to the following table.
Phenomenon | Cases not involving a machine defect | Reference | |
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| The electrical power cord is not plugged in. | 15 | |
| Correctly connect the power cord. | ||
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| The main power source has been interrupted during |
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| operation such as by a power outage (blackout), etc. | 15 | |
| Please disconnect the power plug from the power outlet, | ||
| and allow the projector to cool down at least 10 minutes, |
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Power does | then turn the power on again. |
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not come on. | Either there is no lamp and/or lamp cover, or either |
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| of these has not been properly fixed. |
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| Please turn the power off and disconnect the power |
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| plug from the power outlet, and allow the projector to | 93 | |
| cool down at least 45 minutes. After the projector has | ||
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| sufficiently cooled down, please make confirmation of |
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| the attachment state of the lamp and lamp cover, and |
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| then turn the power on again. |
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| The signal cables are not correctly connected. | 10 ~ 14 | |
| Correctly connect the connection cables. | ||
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| Signal source does not correctly work. | – | |
| Correctly set up the signal source device by referring to | ||
| the manual of the source device. |
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Neither sounds | The input changeover settings are mismatched. | 21 ~ 23 | |
nor pictures are | Select the input signal, and correct the settings. | ||
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outputted. |
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The BLANK function for pictures and the MUTE |
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| function for sounds are working. |
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| AV MUTE may be active. | 28, 57, | |
| Refer to the item “Sound does not come out” and “No | 103 | |
| pictures are displayed” on the next page to turn off the |
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| MUTE and BLANK functions. |
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(continued on next page) |
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102
