Troubleshooting
Troubleshooting
Related messages
When the unit's power is on, messages such as those shown below may be displayed. When any such message is displayed on the screen, please follow the instructions described below. If the same message is displayed after the remedy, or if a message other than the following appears, please contact your dealer or service company.
Although these messages will be automatically disappeared around several minutes, it will be reappeared every time the power is turned on.
Message
Description
NO INPUT IS DETECTED | There is no input signal. | |
Please confirm the signal input connection, and the status | ||
ON *** | ||
of the signal source. | ||
|
| The horizontal or vertical wavelength of the input signal |
SYNC IS OUT OF RANGE | is out of the response parameter range of this unit. |
ON *** fH *****kHz fV *****Hz | Please confirm the specs for your projector or the signal |
| source specs. |
| The internal temperature is rising. |
| Please turn the power off, and allow the projector to cool |
| down at least 20 minutes. After having confirmed the |
| following items, please turn the power ON again. |
CHECK THE AIR FLOW | • Is there blockage of the air passage aperture? |
| • Is the air filter dirty? |
| • Does the peripheral temperature exceed 35°C? |
| If the same indication is displayed after the remedy, please set |
| FAN SPEED of the SERVICE item in the OPTION menu to HIGH. |
REMINDER | A note of precaution when cleaning the air filter. |
***HRS PASSED AFTER THE Please immediately turn the power off, and clean or change
LAST FILTER CHECK. | the air filter referring to the “Air Filter” section of this manual. |
FILTER MAINTENANCE IS ESSENTIAL After you have cleaned or changed the air filter, please be | |
TO REMOVE WARNING MESSAGE, sure to reset the filter timer. | |
RESET FILTER TIMER. |
|
SEE MANUAL FURTHER INFO. |
|
ViewSonic | PJ656 | 45 |