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ViewSonic PJ501/PJ551
Troubleshooting
OSD Messages
The messages as described below may appear on the screen at POWER ON. Take the appropriate
measures when such messages appear.
1
This message is cleared automatically after approximately three minutes, and appears every time POWER is switched
ON.
Indicator Messages
The POWER indicator, LAMP indicator, and TEMP indicator are either lit, unlit or blinking as
explained in the table below.
Table 10: OSD Messages
Screen Message Meaning or Action Required
CHANGE THE LAMP. AFTER
REPLACING LAMP, RESET THE LAMP
TIME.
1
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.
CHANGE THE LAMP. AFTER
REPLACING LAMP, RESET THE LAMP
TIME. THE POWER WILL TURN OFF
AFTER ** HR.
1
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 19.
Always reset the lamp timer after replacing the lamp.
CHANGE THE LAMP. AFTER
REPLACING LAMP, RESET THE LAMP
TIME. THE POWER WILL TURN OFF
AFTER 0 HR.
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 19.
Always reset the lamp timer after replacing the lamp.
NO INPUT IS DETECTED
ON ***
No input signal found.
Check signal input connections and signal sources.
SYNC IS OUT OF RANGE ON *** 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.
CHECK THE AIR FLOW 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)?
Table 11: Indicator Messages
POWER
indicator
LAMP
indicator
TEMP
indicator
Meaning or Action Required
Lights orange Turns off Turns off The Standby mode has been set.
Blinks green Turns off Turns off Warming up. Please wait.
Lights green Turns off Turns off ON. Normal operation possible.
Blinks orange Turns off Turns off Cooling. Please wait.
Blinks red - - Cooling. Please wait.
The error is found. Take the appropriate measures when the POWER
indicator ceases blinking.