
116 APEX — Installation and Service Manual
Section 4 — Troubleshooting
Off Link bad or not present
- DS21 Green Next numbered link (3) OK
Off Link bad or not present
- DS22 Green Next numbered link (2) OK
Off Link bad or not present
LS DS23 Green Lowest numbered link (1) OK
Off Link bad or not present
A REF DS24 Green AES reference OK
Off Bad reference or no reference
V REF DS25 Green Video reference OK
Off Bad reference or no reference
READY DS26 Green Board is running
Off Board not running
ERROR DS27 Amber
§
One or more boards are present but not communicating
with the Matrix card, or there is a configuration error
Off No error
SPARE DS28 Red
§
Missing expansion link (based on frame settings)
Off No error
FAN A DS29 Red Fan A not turning
Off No error
FAN B DS30 Red Fan B not turning
Off No error
PS A DS31 Red Supply present but not working
Off No supply or OK
PS B DS32 Red Supply present but not working
Off No supply or OK
ALARM DS33 Red Power or other error in chassis
Off No error or alarm
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