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Appendix E Troubleshooting Guide
@
LCD is off
7-segment LED flashes "F"
SCSI channel failure detected
upon start-up (SCSI cables
connected).
LCD = SCSI CHLs fail
Initialization failure
Appendix E Troubleshooting Guide
The following is a checklist of the common problems
encountered during installation.
occur during operation, refer to the failure recovery
procedure in the "Disk Failure Management" section
PROBLEM
CHL=x,x,x
For failures that
CHECK
1. Check power connections of the
board and LCD panel.
2. Requires minimum of 4 MB DRAM
SIMM installed.
1. SIMM module not installed yet.
2. Null board (pin plug) for battery
backup connector, JP16, is not
installed.
1. Check ID numbers (must be
unique for each device on the
same SCSI channel).
2. Make sure terminators are properly
installed.
3. Check the voltage output of the
power supply.
1. Check ID numbers (must be
unique for each device on the
same SCSI channel).
2. Make sure terminators are properly
installed.
E-1
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