Specifications

62 RA7x/SA7x Pocket Reference Guide
E7—Firmware Detected Fault - Spindle Motor Control
Handler
Error Description: The I/O processor firmware has
detected an inconsistency in the spindle motor control
(SMC) handler. The SMC controls and monitors the
spindle motor functions via the driver.
FN: 74—inc.lhd.rtz.—incorrect load heads return to
zero state
FN: 75—inc.lhd.sek.—incorrect load heads seek state
FN: 76—inc.lhd.rcl.—incorrect load heads recalibrate
state
FN: 78—exp.spn.tmr.—expired spin timer
FN: 79—inc.spn.psn.—incorrect spin physical state
number
FN: 7A—exp.uhd.tmr.—expired unload heads timer
FN: 7B—inc.uhd.psn.—incorrect unloads heads
physical state number
FN: 7C—exp.sdn.tmr.—expired spindown timer
FN: 7D—inc.sdn.psn.—incorrect spindown physical
state number
FN: 7E—exp.idl.tmr.—expired idle timer
FN: 7F—inc.idl.psn.—incorrect idle physical state
number
Most Probable Cause: ECM, HDA
NOTE
If this error occurs on an RA70 disk drive with FN = 7C
when the drive is spun down, be sure the ECM revision
is J6 or higher (firmware revision 79 or higher).