Digital Equipment 3100R Series, Service Maintenance Manual

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Troubleshooting
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SCA-2 Disk Drive Troubleshooting
Problem Possible Cause Action
SCA-2 drive status LED lit. SCA-2 disk drive failed. Replace SCA-2 disk drive.
SCA-2 drive status and fault
status LEDs lit. SCA-2 disk drive hung or
has failed. Replace SCA-2 disk drive.
SCA-2 fault status LED
flashing. SCA-2 disk drive failed and
is spinning down. Replace SCA-2 disk drive.
Disk present LED off. No power. Reseat SCA-2 disk drive.
Tape Drive Troubleshooting
Problem Possible Cause Action
Tape will not load. Tape inserted incorrectly. Insert the tape with the arrow on the
cassette pointing towards the drive.
Cannot write data to a
tape. Tape write-protected. Slide the write-protect tab on the
cassette to the closed position.
Tape will not eject. Tape jammed in drive. Using a small screwdriver, rotate the
motor shaft clockwise to bring
threading mechanism to the initial
loading position.
If necessary, press the ratchet
mechanism to tighten the tape before
ejecting.
Continue to turn the motor shaft
clockwise until the tape can be lifted
out of the drive mechanism and
ejected from the drive.