Toshiba TDP-T90 User Manual - Page 21

Lamp replacement (Continued) Used Lamps This projector's lamps contain trace amounts of environmentally harmful inorganic mercury. Be careful not to break used lamps, and dispose of them in accordance with local regulations. Lens and main unit cleaning WARNING • Request cleaning and maintenance of a ceiling-mounted unit from your projector dealership. Attempting to clean/replace the lamp at a high site by yourself may cause you to drop down, thus resulting in injury. ■ Lens cleaning • Clean the lens with a commercially available blower and/or lens cleaner. • The lens is easily scratched, so do not rub it with hard objects, or strike it. ■ Main unit cleaning • Clean the main unit after unplugging the power cord. • Wipe dirt off the main unit gently with a soft cloth. • If the soiling is severe, dip the cloth in a neutral detergent diluted in water, wring well, and gently wipe off the dirt, then finish up by wiping with a dry cloth. ● Replacing cooling fans To maintain the performance, it is recommended that cooling fans should be replaced about every 2 to 3 years. Consult with your dealer for details. 40 Others Trouble indications The indicator lights inform you of internal abnormalities. No power ⇒ Problem with projector • Unplug the power cord, and contact your dealer. ⇒ The lamp cover is not properly attached. • Unplug the power cord, and reattach the lamp cover. p.39 (Off) (Red lit) (Red lit) Lamp went out during use, or won't come on ⇒ Lamp temperature is high so that it is difficult to turn on, the lifetime of the lamp has ended or the projector is malfunctioning. • Unplug the power cord and wait for a short while, then turn the power back on. • If a lamp burns out, replace it with a new one. ❈ After approx. one minute of abnormal display, the projector returns to the standby state waiting for internal cool down. (Red lit or flashing) (Green lit) Or (Orange lit) (Red lit) Power went out during use ⇒ Internal overheating, or the outside temperature is too high. • Place the projector so that the air intake and exhaust are not blocked. • Unplug the power cord and wait for a short while, then turn the power back on. ❈ The icon will appear before the power goes out. ❈ After approx. one minute of abnormal display, the projector returns to the standby state waiting for internal cool down. Power went out during use (Red lit or flashing) Or (Orange lit) ⇒ Problem with internal cooling fan. • Unplug the power cord, and contact your dealer. ❈ The icon will appear before the power goes out. ❈ After approx. one minute of abnormal display, the projector returns to (Red lit) the standby state waiting for internal cool down. (Green lit (Green lit or Off) or Off) (Red lit) Power went out during use ⇒ Problem inside the projector. (Green flashing) • Unplug the power cord and wait for a short while, then turn the power back on. • If the above action will not clear the problem, unplug the power cord, and contact your dealer. ❈ After approx. one minute of abnormal display, the projector returns to the standby state waiting for internal cool down. TDP-T91 (Red lit) (Green lit) Power went out during use ⇒ Camera is not correctly connected. • Disconnect the power plug and check the connection with the camera. ❈ The icon will appear before the power goes out. ❈ After approx. one minute of abnormal display, the projector returns to the standby state waiting for internal cool down. PRECAUTION • Make sure to unplug the power cord if something goes wrong. 41 Others