ViewSonic PJL7211 PJL7211 User Guide (English) - Page 59

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Troubleshooting If an abnormal operation should occur, stop using the projector immediately. WARNING ►Never use the projector if abnormal operations such as smoke, strange odor, excessive sound, damaged casing or elements or cables, penetration of liquids or foreign matter, etc. should occur. In such cases, immediately disconnect the power plug from the power outlet. After making sure that the smoke or odor has stopped, contact to your dealer or service company. Otherwise if a problem occurs with the projector, the following checks and measures are recommended before requesting repair. If this does not resolve the problem, please contact your dealer or service company. They will tell you what warranty condition is applied. Related messages When some message appears, check and cope with it according to the following table. Although these messages will be automatically disappeared around several minutes, it will be reappeared every time the power is turned on. Message Description There is no input signal. Please confirm the signal input connection, and the status of the signal source. The horizontal or vertical frequency of the input signal is not within the specified range. Please confirm the specs for your projector or the signal source specs. An improper signal is input. Please confirm the specs for your projector or the signal source specs. The internal temperature is rising. Please turn the power off, and allow the projector to cool down at least 20 minutes. After having confirmed the following items, please turn the power ON again. • Is there blockage of the air passage aperture? • Is the air filter dirty? • Does the peripheral temperature exceed 35°C? If the same indication is displayed after the remedy, please set FAN SPEED of the SERVICE item in the OPTION menu to HIGH. A note of precaution when cleaning the air filter. Please immediately turn the power off, and clean or change the air filter referring to the "Cleaning and replacing the air filter" section of this manual. After you have cleaned or changed the air filter, please be sure to reset the filter timer. ViewSonic The button operation is not available with following condition. One of the invalid buttons on the remote control was pressed. 54 PJL7211

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PJL7211
ViewSonic
54
Troubleshooting
If an abnormal operation should occur, stop using the projector immediately.
Otherwise if a problem occurs with the projector, the following checks and measures are
recommended before requesting repair.
If this does not resolve the problem, please contact your dealer or service company. They
will tell you what warranty condition is applied.
►
Never use the projector if abnormal operations such as smoke, strange odor,
excessive sound, damaged casing or elements or cables, penetration of liquids or foreign matter,
etc. should occur. In such cases, immediately disconnect the power plug from the power outlet. After
making sure that the smoke or odor has stopped, contact to your dealer or service company.
WARNING
Related messages
When some message appears, check and cope with it according to the following table.
Although these messages will be automatically disappeared around several minutes, it will
be reappeared every time the power is turned on.
Message
Description
There is no input signal.
Please confirm the signal input connection, and the status
of the signal source.
The horizontal or vertical frequency of the input
signal is not within the specified range.
Please confirm the specs for your projector or the signal source specs.
An improper signal is input.
Please confirm the specs for your projector or the signal source specs.
The internal temperature is rising.
Please turn the power off, and allow the projector to cool
down at least 20 minutes. After having confirmed the
following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, please set
FAN SPEED of the SERVICE item in the OPTION menu to HIGH.
A note of precaution when cleaning the air filter.
Please immediately turn the power off, and clean or change
the air filter referring to the “Cleaning and replacing the
air filter” section of this manual. After you have cleaned or
changed the air filter, please be sure to reset the filter timer.
The button operation is not available with following
condition.
One of the invalid buttons on the remote control was
pressed.