20 C2927M-D (9/09)
Troubleshooting
If the following instructions fail to solve your problem, contact Pelco Product Support at 1-800-289-9100 (USA and Canada) or +1-559-292-1981
(international) for assistance. Be sure to have the serial number available when calling.
Do not try to repair the unit yourself. Opening it immediately voids the warranty. Leave maintenance and repairs to qualified technical personnel
only. Refer to the Product Warranty and Return Information located on the inside back page of this document.
Maintenance
Periodically, you might need to clean the PMCL400 Series monitor to maintain optimum viewing performance. Be sure to observe the following
cleaning instructions to avoid damage to the monitor:
• Gently wipe your screen with a clean camel-hair brush or a soft, clean, lint-free cloth.
• Gently apply pressure to the screen surface to clean the display.
•Do not spray any liquid directly on the screen or the LCD monitor casing. Chemical cleaners can damage the screen and the LCD monit or
casing.
WARNING: To reduce the risk of electrical shock, do not remove the cover or back of the monitor. There are no user-serviceable parts are
inside.
Table A. Troubleshooting the PMCL400 Series Monitor
Problem Possible Cause Suggested Resolution
Poor picture quality Faulty system or cable connections. Make adjustments on the front panel control.
Inspect all system connections and cables.