Lamp/Maintenance Indicators
Maintenance Indicators
POWER | LAMP | TEMPERATURE |
indicator | REPLACEMENT | WARNING |
| indicator | indicator |
•The warning lights on the projector indicate problems inside the projector.
•There are two warning lights: a TEMPERATURE WARNING indicator which warns that the projector is too hot, and a LAMP REPLACEMENT indicator which lets you know when to change the lamp.
•If a problem occurs, either the TEMPERATURE WARNING indicator or the LAMP REPLACEMENT indicator will light up red. After turning off the power, follow the procedures given below.
Maintenance Indicator | Condition | Problem | Possible Solution |
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TEMPERATURE | The internal | • Blocked air intake. | • Relocate the projector to an area with |
WARNING indicator | temperature is |
| proper ventilation. |
| abnormally high. |
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| • Clogged air filter. | • Replace the filter. | |
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| (See page 70 .) |
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| • Cooling fan breakdown. | • Take the projector to your nearest |
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| • Internal circuit failure. | Authorized Sharp Industrial LCD Products |
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| Dealer or Service Center for repair. |
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LAMP REPLACE- | The lamp does not | • | • Carefully replace the lamp. (See pages 68 |
MENT indicator | light up. | • Lamp circuit failure. | and 69 .) |
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| • Take the projector to your nearest |
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| Authorized Sharp Industrial LCD Products |
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| Dealer or Service Center for repair. |
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POWER indicator | The POWER | • The filter cover is open. | • Securely install the filter cover. |
| indicator flashes in |
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| red when the |
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| projector is on. |
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•If the TEMPERATURE WARNING indicator lights up, follow the above possible solutions and then wait until the projector has cooled down completely before turning the power back on. (At least 5 minutes.)
•If the power is turned off and then turned on again, as during a brief rest, the LAMP REPLACEMENT indicator may be triggered, preventing the power from going on. Should this occur, take the power cord out of the wall outlet and put it back in again.
&Troubleshooting
Maintenance
Lamp
It is recommended that the lamp be replaced after approximately 1,000 cumulative hours of use or when you notice a significant deterioration of the picture and color quality. The lamp usage time can be checked with the
CAUTION
•Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating.
