Specifications

42 RA7x/SA7x Pocket Reference Guide
1F—Sector Overrun Error
Error Description: The internal read gate or write
gate was asserted and a sector pulse or an index
pulse occurred.
FN: 51—sct.ovr.run.—sector over run
Most Probable Cause: ECM, SDI controller, SDI
cable, HDA
25—Off Track Error
Error Description: During track following mode, the
DSP processor determined that the read/write heads
are not within track center line tolerances.
FN: 4D—svo.off.trk.—servo off track error
Most Probable Cause: HDA, ECM
26—Spindle Speed Error
Error Description: The spindle speed is not operating
within design specifications. The nominal spindle
speed is 4000 r/min for the RA70 and 3600 r/min for
the RA71/RA73 disk drives.
FN: 6E—inc.sup.svo.—incorrect spinup servo state
number
FN: 71—inc.sup.psn.—incorrect spinup physical state
number
FN: 73—inc.pur.psn.—incorrect purge cycle physical
state number
FN: 77—inc.run.psn.—incorrect run physical state
number
Most Probable Cause: ECM, HDA
27—HDA Over Temperature
Error Description: The temperature inside the HDA
has exceeded the maximum allowed for safe operation.
FN: 4F—hda.ovr.tmp.—head disk assembly over
temperature
Most Probable Cause: SA7x fan, HDA, ECM.
Be sure the disk is operating within the environmental
specifications.