X24 Troubleshooting
65
7.4.4 Thermal Alarm
7.5 Drive Carrier Module Faults
Disk drive status is monitored by a Green LED and an Amber LED mounted on the front of each Drive
Carrier Module, providing the following indications:
Drive activity - LED may be off for a length of time during power up.
7.5.1 Dummy Carrier Modules
Dummy Carrier modules must be fitted to all unused drive bays to maintain a balanced air flow.
Symptom
Cause
Action
1
Ops Panel FAULT
LED AMBER.
2
An AMBER LED on
one or more Power
Supply/Cooling
Modules.
3
Audible Alarm
Sounding.
4
Air temperature
exiting PSU above
55°C.
If the internal temperature
measured in the airflow through
the enclosure exceeds a pre-
set threshold a thermal alarm
will sound.
1
Check local ambient environment
temperature is below the upper 40°C
specification.
2
Check the installation for any airflow
restrictions at either the front or rear
of the enclosure. A minimum gap of
25mm at the front and 50mm at the
rear is recommended.
3
Check for restrictions due to dust
build-up, clean as appropriate.
4
Check for excessive re-circulation of
heated air from rear to the front, use
in a fully enclosed rack installation is
not recommended.
5
If possible shutdown the enclosure
and investigate the problem before
continuing.
Table 7–3
LED Functions
State
Green
Amber
No drive fitted
Off
Off
Drive Power ON
On
Off
Drive Activity
Blink off
Off
Drive Fault
On
On
Содержание RS-1600-X24
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