Appendix 39
Beep Message Errors at POST
If the BIOS detects an error during the POST, a message is displayed. Refer to the following table for a list of the
errors that display.
WARNING
The system uses a 3V CR2032 battery (CMOS battery) mounted on the main-
board to keep time. There is a risk of explosion if the wrong battery type is used
when replacing. Dispose of used batteries according to local ordinance regula-
tions.
E
RROR
M
ESSAGE
C
AUSE
S
OLUTION
CMOS BATTERY HAS
FAILED
The CMOS battery is depleted.
Replace the battery.
CMOS CHECKSUM ERROR
The battery may be weak.
The CMOS may be corrupt.
Replace the battery.
Have the PT-6900 serviced.
HARD DISK(S) FAIL (80)
HDD reset failed.
Have the PT-6900 serviced.
HARD DISK(S) FAIL (40)
HDD controller diagnostics failed.
Have the PT-6900 serviced.
HARD DISK(S) FAIL (20)
HDD initialization error.
Have the PT-6900 serviced.
HARD DISK(S) FAIL (10)
Unable to recalibrate fixed disk.
Have the PT-6900 serviced.
KEYBOARD IS LOCKED OUT
- UNLOCK THE KEY
The keyboard is locked and the key-
board controller is pulled low.
Have the PT-6900 serviced.
KEYBOARD ERROR OR NO
KEYBOARD PRESENT
A keyboard is not detected.
Make sure the keyboard is
attached correctly and no
key is pressed during boot.
MANUFACTURING
POST LOOP
System keeps rebooting because the
keyboard controller is pulled low for test-
ing purposes.
Have the PT-6900 serviced.
BIOS ROM CHECKSUM
ERROR - SYSTEM HALTED
The ROM address is incorrect.
Have the PT-6900 serviced.
MEMORY TEST FAIL
The memory card is not correctly
installed or is damaged.
Have the PT-6900 serviced.
Summary of Contents for PT-6900
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