Toshiba TDPT250 Owners Manual - Page 27

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. 52 Trouble indications The indicator lights and a beep sound inform you of internal abnormalities. No power ⇒ Problem with projector • Unplug the power cord, and contact your dealer. (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. In this case, a beep sound is made. • 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. Power went out during use (Red lit or flashing) (Green lit) Or (Orange lit) ⇒ Internal overheating, or the outside temperature is too high. In this case, a beep sound is made. • Place the projector so that the air intake and exhaust are not (Red lit) 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 ⇒ Problem with internal cooling fan. In this case, a beep sound is (Red lit or flashing) Or (Orange lit) (Red lit) made. • 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 the standby state waiting for internal cool down. Power went out during use (Green lit (Green or Off) (Green lit or Off) flashing) ⇒ Problem inside the projector. In this case, a beep sound is made. • 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 (Red lit) 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 the standby state waiting for internal cool down. 53 Others