HCU MESSAGES
1-2
XEROX DOCUPRINT IPS MESSAGES GUIDE
Code definitions
The following tables give the meaning of the LED codes that may
appear on the HCU.
Table 1-1.
Software states (no decimal point)
Code
Meaning
9
Checking SRAM
8
Loading microcode and startup
7
Checking Channel interface
6
Waiting for SCSI connection/parser
5
Waiting for tailgate board
4
Waiting for end of reset from Parser
3
Block-up on OFFLINE
2
OFFLINE (parser has started)
1
Waiting for End of Process from Parser (Device End)
0
ONLINE (ready to print)
Table 1-2.
System faults (decimal point on)
Code
Meaning
1
SCSI initialization error
2
Not-enough-memory error
3
No communication with parser
6
Fault in SRAM
7
Fault in data streaming memory
8
Fault on channel BUS lines
9
Fault on channel TAG lines
Table 1-3.
Microcode faults (decimal point on with LED
flashing)
Code
Meaning
1
Parallel faults
2
Trace mode detected (CPU trace bit)
3
Invalid opcode
4
Arithmetic fault
5
Range fault/Privilege fault
6
Protection fault
7
Type mismatch
