Sanyo PLC-WXU30A Service Manual

Also see for PLC-WXU30A: Owner's manual Owner's manual Specification sheet

Contents

Sanyo PLC-WXU30A Service Manual Manual pdf 6 page image

-6-Circuit ProtectionsThe projector will be automatically turned off when the internal temperature of the projector is abnormally high, or thecooling fans stop spinning, or the power supplies in the projector are failed.- If the WARNING indicator is flashing, it may detect the abnormal temperature inside the projector. Check the follow-ing possible causes and wait until the WARNING indicator stops flashing, and then try to turn on the projector.- If the WARNING indicator lights red, it may defect the cooling fans or power supply circuits. Check fans operationand power supply lines referring to the chapter “Power supply & protection circuit” in the Chassis Block Diagramsection.Possible causes- Air filters are clogged with dust particles. Remove dust from the air filters by following instructions in the “Air filtercare and cleaning” below.- Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation slots arenot obstructed.- Check if projector is used at higher temperature place (Normal operating temperature is 5 to 35 ˚C or 41 to 95˚F)the projector is shut down and the WARNINGindicator lights red.When the projector detects an abnormal condition, it is auto-matically shut down to protect the inside of the projector andthe WARNING indicator lights red. In this case, unplug theAC power cord and reconnect it, and then turn the projectoron once again to verify operation. If the projector cannot beturned on and the WARNING indicator still lights red, it maydefect the cooling fans or power supply circuits.CAUtIoNDO NOT LEAVE THE PROJECTOR WITH THE ACPOWER CORD CONNECTED UNDER AN AB-NORMAL CONDITION. IT MAY RESULT IN FIREOR ELECTRIC SHOCK.top ControlWARNINGlights redWarning temperature and power failure protection