8512 2401 errors

8512 2401 errors

PURPOSE:
PROVIDE A REPLACEMENT 8512 COLOR DISPLAY FOR FAILING 8512 DISPLAYS THAT MEET ALL THREE FOLLOWING SPECIFICATIONS:

  1. SERIAL NUMBER WITH A "72" PREFIX.
    AND
  2. SERIAL NUMBER RANGE
    1. 72-0000000 THRU 72-0540000 --- ECA EXPIRES 2/29/92.
    2. 72-0540000 THRU 72-0650000 --- ECA EXPIRES 6/30/92.
    AND
  3. DISPLAY EXHIBITS FAILING SYMPTOMS AS DESCRIBED IN THE "DETAIL" SECTION OF THIS ECA.

DETAIL:
A LIMITED NUMBER OF 8512 COLOR DISPLAYS MAY FAIL, CAUSING A 2401 ERROR DURING POWER-ON SELF-TEST (POST), OR A 2402 OR 2409 ERROR CODE WHEN VGA ADVANCED DIAGNOSTICS ARE EXECUTED. THE PROBLEM MAY ALSO APPEAR AS FLICKERING OR CHANGING COLORS ON THE DISPLAY DURING USE. THESE SYMPTOMS MAY BE VERY INTERMITTENT. A 2401 ERROR CODE CAN BE BYPASSED IN MOST CASES BY PRESSING THE "F1" KEY. SUBSEQUENT OPERATION WILL NOT HARM THE DISPLAY OR SYSTEM UNIT.

2401, 2402, 2409, AND 2410 ERROR CODES MAY BE CAUSED BY EITHER A DEFECTIVE DISPLAY OR SYSTEM UNIT PLANAR BOARD. THE FOLLOWING SYMPTOM AND ACTION CHART WILL HELP TO MINIMIZE UNNECESSARY REPLACEMENT OF THE SYSTEM UNIT PLANAR BOARD. 2401 IS A POST ERROR; 2402, 2409, AND 2410 ARE ADVANCED DIAGNOSTIC ERROR CODES.

REPORTED SYMPTOM CORRECTIVE ACTION
CUSTOMER REPORTS FLICKERING OR CHANGING COLORS ON THE DISPLAY WITH NO ERROR CODE OCCURRING: REPLACE THE 8512 COLOR DISPLAY.
2401 OR 2402 ERROR DISPLAYED IN A COLOR OTHER THAN WHITE ON A BLACK BACKGROUND: REPLACE THE 8512 COLOR DISPLAY.
2401, 2402, OR 2410 ERROR DISPLAYED IN WHITE NUMBERS ON BLACK BACKGROUND, AND NO REPORTED FLICKERING OR CHANGING COLORS ON THE DISPLAY: REPLACE THE SYSTEM UNIT PLANAR BOARD.
2409 ERROR CODE REPLACE THE 8512 COLOR DISPLAY.

Note: 2401 errors are often due to a loose VGA connector or a display that is not entirely to a PS2's liking. First try tightening the screws on the display connection. If that does not work, next try hitting F1.