Samsung WA45M7050 Fast Track Troubleshooting page 7

How to Check Error Codes.
Diagnostic Mode will show you up 7 stored Error / Check Codes.
Power on & press Delay End until 17 is displayed (17, 17:00, or 17h).
Hold down Start until AS appears.
AS means Smart Install mode is active and ready to start.
Press the Lower Right button (Super Speed) & Cr will appear on the display.
After Cr appears on the display you are ready to search for stored codes.
Turn on the Jog Dial clockwise 1 click and 0001 will on the display.
Wait 2 seconds and then view the last error stored.
Turn the Jog Dial clockwise another click to see the next stored code.
Pause Each click. You can view up to 7 stored error / check codes.
If there is no error you will just see a series of lines: ---- indication no error.