Troubleshooting
Troubleshooting
Related messages
When the unit's power is on, messages such as those shown below may be dis- played. 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 min- utes, 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 | ||
| ||
of the signal source. | ||
|
SYNC IS OUT OF RANGE | The horizontal or vertical frequency of the input signal |
is not within the specified range. | |
| Please confirm the specs for your projector or the signal |
fH kHz fV Hz | |
| 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 follow- |
| ing 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 manu- |
FILTER MAINTENANCE IS ESSEN- | al. After you have cleaned or changed the air filter, please |
TIAL | be sure to reset the filter timer. |
TO REMOVE WARNING MES- |
|
SAGE, |
|
RESET FILTER TIMER. |
|
SEE MANUAL FURTHER INFO. |
|
ViewSonic | PJ1158 | 99 |
