Panasonic JB-3300 Technical Manual page 87

Table 9-1 Self-Diagnostic Error Messages
Message on Display
Beep or Halt System
Possible Causes
No. Message
1 KEYBOARD ERROR ———— Keyboard Reset Failed
or or
XX KEYBOARD ERROR Found Stuck keys
XX: Scan code
2 XXXX XX XX ERROR —_———- Memory (RAM) Failed
lst XXXX: Address
2nd XX: Read data
3rd XX: Write data
3 HARD DISK ERROR a Hand Disk Controller Failed
4 FLOPPY DISK ERROR —_—— Floppy Disk Controller Failed
5 PRINTER ERROR —_—— Printer Interface Failed
6 COMMUNICATION —_—_—~ Communication Interface Failed
ERROR
7 PRESS Fl KEY 2 short Beep Unknown error occurred
3 short, 3 long,
3 short Beep
"SOS iif
VIDEO-RAM Failed
HSYNC Signal Failed
VSYNC Signal Failed
Halt System
BIOS-ROM Failed (Check Sum Error)
DMAC Failed
Refresh Timer Failed
Interrupt Controller Failed
RAM CHECK —— (RAM check executing)
EXECUTING
XXX KB OK — (Memory Size XX K Bytes)
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