SAMSUNG HT-C550 WON'T OPEN TRAY

SOURCE: samsung ht-q80 won't open tray

protection error message means that your unit's fan is not working

it is a feature to keep your unit from overheating

check if there is anything blocking the fan of your unit from rotating

if problem still persist replace the fan

SOURCE: display reads OPEN LOCK when I try to open dvd tray.

Samsung Home Theater Systems have a Dealer Lock or Tray Lock Function that prevents the disc tray from being opened.
There are four procedures for turning off the Dealer Lock function. Try one, then the other, to see which works on your system.
Unlocking Procedure 1 To turn off the Dealer Lock function, follow these steps:

1. Turn on your Home Theater System.
2. Press the Stop button on the front panel and the Power button on the remote control simultaneously for four seconds.

1. Turn on your Home Theater System.
2. Press and hold the Function button on the front panel for 3 seconds. The display shows the word Unlock.

1. Turn on your Home Theater System.
2. Press and hold the Open/Close button on the DVD player on the front panel for more than 4 seconds.

1. Using the HTS remote press the Menu button + 712, and the HTS will display CAN OPEN.

SOURCE: Samsung HT-C550 The DSP/EQ or the Dolby Pro Logic

I had the problem and after pressing the DVD Receiver\DVD button to no avail went back to setup and turned the ASC Setting to off. Apparently I had forgotten to turn it off after doing the Auto Calibration.

Hope this helps.

SOURCE: samsung ht c550, enciende, saluda,

when i turn on my Samsung HT-C550 IT showing PROT and DVD turn off. What this is mean PROT?

SOURCE: samsung ht-c550 dolby pro logic II mode does not work.

1. Go to the DVD input.
2. Select menu
3. Settings
4. Audio
5. ASC
6. Turn OFF the Auto Sound Calibration
7. Exit the menu
8. Go to the DVD input and retry the pro logic II button and switch to MATRIX.

(Also you have to enable the "matrix" setting each time on all of the inputs you use.)