Panasonic BTLH2550E - LCD VIDEO MONITOR Operating Instructions Manual

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52Maintenance inspecionsMaintenance inspections through periodic and appropriate maintenance are essential to keep the monitor inoptimum condition and ensure safe operation. Be sure to conduct the following maintenance inspections to enablelong-term, full use of all its functions.Necessity of periodic maintenance serviceThe backlight in the LCD panel is a consumable component that deteriorates over time leading to gradual loss ofperformance that could eventually result in a malfunction.Conventional after-sales service that replaces parts when they break down should therefore be combined with aregularly conducted comprehensive service to maintain normal operation and prevent unforeseen breakdown ofconsumables.Maintenance• Clean the cabinet and protection panel by gently wiping it with a soft cloth.To remove stubborn soiling, use a cloth dampened in a weak neutral detergent solution and thoroughly wrungout. Then wipe with a dry cloth. Any moisture entering the monitor could damage it.• Do not use benzene, thinner and similar solvents for cleaning.They could discolor the surface and cause the paint to peel.• Do not directly expose the monitor to spray cleaning.Any moisture entering the monitor could damage it.Error DisplayWhen an error has occurred for some reason, the tally lamp notifies the error.Error display Symptom RemedyInverter errorThe tally lampflashes red at1-second intervals.If a malfunction occurs in the inverter thatcontrols backlight brightness, thebacklight goes off and the screen turnsblack.Turn off the power and then turn it backon. If the problem still persists, consultyour dealer.