Troubleshooting
Troubleshooting
If an abnormal operation should occur, stop using the projector immediately.
WARNING ►Never use the projector if abnormal operations such as smoke, strange odor, excessive sound, damaged casing or elements or cables, penetration of liquids or foreign matter, etc. should occur. In such cases, immediately disconnect the power plug from the power outlet. After making sure that the smoke or odor has stopped, contact your dealer or service company.
Otherwise if a problem occurs with the projector, the following checks and measures are recommended before requesting repair.
If this does not resolve the problem, please contact your dealer or service company. They will tell you what warranty condition is applied.
Related messages
When some message appears, check and cope with it according to the following table. 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 | ||
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| of the signal source. |
SYNC IS OUT OF RANGE |
| The horizontal or vertical frequency of the input signal | |
| is not within the specified range. | ||
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| |
fH | kHz fV | Hz | Please confirm the specs for your projector or the signal |
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| source specs. |
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| The internal temperature is rising. |
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| Please turn the power off, and allow the projector to cool |
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| down at least 20 minutes. After having confirmed the |
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| 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 ( 53). | |
RESET FILTER TIMER. |
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SEE MANUAL FURTHER INFO. |
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ViewSonic | 55 | PJ758/PJ759/PJ760 |
