6.3. Examples of Repairs Using Error CodesRefer to this section when carrying out repairs.Error display Malfunction exampleF0**F103F4FFF500F501F502F504F505F506F600F601F602F603F610F611F612F620F621F700F701F702F880F890F891F8A0F893F894Disc, IC7001Disc, IC7001IC6001Optical pickup, IC2001, IC5201, IC2511, IC2501IC2001, IC6201IC2501, IC2511, IC2001, IC5201IC5201, IC2001Disc, IC2501, IC2511, IC5201, IC2001Disc, Optical pickup, IC2001Disc, IC7001, IC5201, IC2001Disc, IC7001Disc, IC5201, IC2001Disc, IC5201, IC2001IC7001IC7001, IC5201, IC2001IC7001, IC5201, IC2001Laser drive circuitLaser drive circuitIC6201IC6201IC6201IC6201IC6201IC6201IC6201IC6302IC63036.4. Sales Demonstration Lock FunctionThis function prevents discs from being lost when the unit is used for sales demonstrations, by disabling the disc eject function."LOCKED" is displayed on the unit, and ordinary operation is disabled.6.4.1. Setting MethodThe sales demonstration lock function is set by simultaneously pressing the "POWER" button of DVD Player on the remote controlunit and the "STOP" button on the main unit. ("LOCKED" is displayed when the lock function is engaged.)6.4.2. Release MethodThe function can be released using the same procedure as for setting. If the remote control unit is not at hand, the function can bereleased by using the same method as for player initialization (pressing the "PAUSE," "SKIP/SEARCH<<" and "OPEN/CLOSE"buttons simultaneously).8DVD-RV60