Panasonic PT-D4000U Operating Instructions - Page 50

Indication of lamp monitor This projector is equipped with 3 indicators to show when a lamp needs replacement or there is an abnormal internal temperature. These lamps flash or light up to indicate a problem. Turn the power off and follow the steps below. (Power indicator) Lamp 2 monitor (LAMP 2) Lamp 1 monitor (LAMP 1) Temperature monitor (TEMP) Name of monitor Lamp lamp indication Information Checkpoint Remedial measure Temperature monitor TEMP Lighting in red (lamp unit ON) Blinking in red (1 time) Blinking in red (2 times) Warm-up status • Did you turn on the power when the ambient temperature was low (approx. 0 °C)? • Wait about five minutes in the current status. • Install the unit in a location having an ambient temperature from 0 °C to 45 °C. High temperature • Remove the object that is inside. (WARNING) The filter is clogged. High temperature • Check if the ventilation port is blocked. • Is the room air temperature too high? • Is the air filter clogged with dust? blocking the ventilation port. • Move the projector to a temperature of 0 ˚C to 45 ˚C and the humidity of 20 % to 80 % (no condensation). • Turn off the MAIN POWER switch using the procedure on page 23 and clean the air filter inside (refer to page 51). (Standby condition) Lamp monitor LAMP1 LAMP2 Blinking in red (3 times) Lighting in red Blinking in red (3 times) Cooling fan has been stopped. Indicates the time for replacing the lamp unit. Error is detected in the lamp or lamp power. • Turn off the main power supply (MAIN POWER) switch in the procedure shown on page 23 and consult the distributor. • Did you notice a "REPLACE THE LAMP" message on the screen • This lamp monitor lights up when turning on the when the lamp unit used hours projector power supply? have reached 2 800 hours. • Are lamp units installed correctly? • Did you turn the power • Wait until the lamp has cooled back on immediately off, and then turn on the after turning it off? power. • Some error has arisen in the lamp • Turn off the MAIN POWER circuit. switch using the procedure on • Check for fluctuation page 23 and consult the (or drop) in the source dealer. voltage. 50 Attention • To solve any problems that the TEMP and LAMP monitor show, first turn the power off by following the steps on pages 22, 23. • If the power indicator blinks in red (3 times), the projector has malfunctioned. Please consult your dealer. • If the power indicator flashes red (once), the lamp unit cover is not properly fitted. Check the fitting of the lamp unit cover.