Digital Equipment RW504-ZA, Service Manual

Page: 82 / 220

Table 4–3 (Cont.) Recovery Procedures for Specific Hardware Errors
Error Code
(hex.)
Error Recovery Procedures
POWER SUPPLY ERRORS
33 - 34 Power Supply failed Visually check the power cables and
connections. Run test 40—Power Supply
Test—verify failure.
DRIVE CONNECT ERRORS
38 Drive not connected On error code 38 be sure to check:
• Drive cabling
Good contacts
No cut or exposed wires
• Drive tray not skewed
Run test 37—Drive Connector Test—verify
failure.
MECHANISM ERRORS
Check carriage/picker for free motion.
The carriage should travel easily along
the rail.
3C Unspecified failure Run test 11—Autochanger Mechanism
Exercise Test. On error—go to error code in
this table.
3E Unspecified servo failure Run test 11—Autochanger Mechanism
Exercise Test—verify failure.
Check the following assemblies in the
autochanger for loose labels or other
obstructions—picker, mailslot, drive,
and storage slots.
40 Unable to free picker
fingers for carriage
motion Run test 50—Find Home Sequence—verify
failure.
41 Unable to verify picker
is at home position Run test 50—Find Home Sequence—verify
failure.
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4–24 Troubleshooting and Diagnostics