Tektronix PHASER 840 Quick Reference Manual page 36

Table 3 Main board power-up self-test error codes
Left LED
flashes
Long flash =5
Short flash=1
2L+1S=11
9
10
11
12
13
14
none
none
26 Phaser 840 Color Printer
Meaning Details
NVRAM This test does a walking 1s and a walking 0s test for
that last 4 bytes in the VxWorks section of the
NVRAM.
EPROM This test reads in the first 24 bytes from the EPROM
then verifies that the Tektronix Ethernet address
0x08, 0x00, and 0x11 has been copied into three
locations.
Mariner ASIC This test reads and verifies the version level of the
Mariner ASIC.
Medusa ASIC This tests reads and verifies the version level of the
Medusa ASIC.
Super Glue This tests reads and verifies the version level of the
ASIC Super Glue ASIC.
CL1284 IC This tests reads and verifies the version level of the
parallel port controller CL1284 chip.
SCSI This test verifies the functionality of the SCSI I/O
processor. Any test failures with this component are
treated as non-fatal errors with the error information
written to the Start Page. If a failure is detected, the
message "SCSI Option Card:" with one of the
following messages will be sent to the Start Page.
10baseT This test verifies the functionality of the Ethernet
LAN Controller chip. Any test failures with this
component are treated as non-fatal errors with the
error information written to the start page. If a failure
is detected, the message "Ethernet:" with one of the
following messages will be sent to the start page.
Wrong values in script-set scratch registers.
Script operation timed-out.
Script operation returns wrong exit code.
DMA transfer spills outside buffer.
DMA transfer data mismatch.
General Failure.
MAC internal loopback failure.
MII internal loopback failure (currently disabled)