ViewSonic PJ501 Service Manual - Page 28

OSD Messages The lamp will reach the end of its life in 300 hours. POWER is switched off automatically when the lamp reaches the end of its life. prepare a new lamp for installation. Always reset the lamp timer after replacing the lamp. The lamp will reach the end of its life in ** hours. POWER will be switched OFF automatically in ** hours. Replace the lamp as shown in "Replacing the Lamp" on page 22. Always reset the lamp timer after replacing the lamp. The lamp has reached the end of its life. POWER will be switched OFF in a few minutes. Switch POWER OFF immediately and replace the lamp as shown in "Replacing the Lamp" on page 22. Always reset the lamp timer after replacing the lamp. No input signal found. Check signal input connections and signal sources. The horizontal or vertical frequency of the input signal is not within the specified range. Check the specifications of the equipment and the signal source. The internal temperature has risen. Switch POWER OFF, and wait 20 minutes until the equipment cools. Check the following and switch POWER ON again. • Are the ventilation openings blocked? • Is the air filter dirty? • Is the ambient temperature in excess of 95°F (35°C)? The filter time reach 100 hours. Clean the air filter and reset the filter time. 1 This message is cleared automatically after approximately three minutes, and appears every time POWER is switched ON. ViewSonic Corporation 25 Confidential - Do Not Copy PJ501/PJ551