Juniper EX9253 Hardware Manual page 27

Table 6: LEDs on the Routing Engines in an EX9253 Switch
LED
ALM
Color
Red
Red
Yellow
(Continued)
State
On steadily
Blinking
On steadily
Description
Major—Indicates a critical
condition that can cause
the switch to stop
functioning. Possible
causes include
component removal,
failure, or overheating, or
any major software
failure.
Indicates that there is a
major alarm and a minor
alarm at the same time.
•
Major alarm—
Indicates a critical
condition that can
cause the switch to
stop functioning.
Possible causes
include component
removal, failure, or
overheating, or any
major software failure.
•
Minor alarm—
Indicates a serious but
nonfatal error
condition, such as a
maintenance alert or a
significant increase in
component
temperature.
Minor alarm—Indicates a
serious but nonfatal error
condition, such as a
maintenance alert or a
significant increase in
component temperature.
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