Onkyo DR-C500 Multi-disc DVD Player "load cds 5 changer" Questions

...load the DVDs never comes out. I opened up the reciever and removed 4 disc. I dont remember if there is one disc in the receiver which seems to be stuck inside. As I see front panel only reports disc ...

load, then the message Error H02 is displayed. Took the unit to Best Buy to send to Panasonic for repair; however, they said Panasonic would advise to just buy a new one - repairing is as expensive as