Thermal Alarm; Drive Carrier Module Faults; Dummy Carrier Modules - Impediment RS-1600-X24 User Manual

7.4.4 Thermal Alarm

Symptom
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.

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:
Table 7–3
State
No drive fitted
Drive Power ON
Drive Activity
Drive Fault
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.
Cause
If the internal temperature
measured in the airflow through
the enclosure exceeds a pre-
set threshold a thermal alarm
will sound.
LED Functions
Green
Off
On
Blink off
On
Action
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.
Amber
Off
Off
Off
On
X24 Troubleshooting
65