138TroubleshootingWARNING Lamp Flash PatternsThe WARNING lamp on the Control Panel flashes in red after the projector is turned offwhen there is a trouble in the projector.• Wait until the cooling fan stops and disconnect the power plug from the AC outletbefore dealing with the trouble.Flash Pattern Meaning CountermeasureOne flash Temperature,abnormalityThe temperature inside the projector is too high for some reasonor the outside air temperature is higher than the specified one. Ifthe problem is inside the projector, check whether the projectoris installed and operated normally, unplug the projector from thepower outlet to cool down the inside of it and retry projection. Ifthe air intake or exhaust vent is blocked, remove the obstacle. Ifthe same warning occurs again, the projector may be defective.Contact your dealer.Two flashes Faulty lamp The lamp has burnt out. Replace the lamp with a new one. If thesame warning is experienced again, the lamp drive circuit maybe defective. Contact your dealer.Three flashes Faulty lampcoverThe lamp cover is open. Unplug the projector from the poweroutlet, then install the lamp cover and turn on the projectoragain.If the lamp cover has been installed properly, the lamp coverdetection switch may be defective. Contact your dealer.Four flashes Faulty coolingfanThe cooling fan or another component may be defective.Unplug the projector from the power outlet, then plug it to theoutlet and turn on the projector again. Contact your dealer if thesame warning is given.Five flashes Faulty powersupplyThe abnormal voltage is applied to some parts in the powersupply or any other failure may be occurred. Unplug the projec-tor from the power outlet, then plug it to the outlet and turn onthe projector again. Contact your dealer if the same warning isgiven.