Galaxy 65 Troubleshooting

7.4.4 Thermal Alarm

 

 

 

 

 

 

 

 

 

 

 

Symptom

Cause

 

Action

 

 

 

 

 

 

 

1

Ops Panel FAULT

If the internal temperature

1

Check local ambient environment

 

 

LED AMBER.

measured in the airflow through

 

temperature is below the upper 40°C

 

 

 

the enclosure exceeds a pre-

 

specification.

 

2

An AMBER LED on

set threshold a thermal alarm

 

 

 

 

one or more Power

will sound.

2

Check the installation for any airflow

 

 

Supply/Cooling

 

 

restrictions at either the front or rear

 

 

Modules.

 

 

of the enclosure. A minimum gap of

 

 

 

 

 

25mm at the front and 50mm at the

 

3

Audible Alarm

 

 

rear is recommended.

 

 

Sounding.

 

 

 

 

4

Air temperature

 

3

Check for restrictions due to dust

 

 

 

build-up, clean as appropriate.

 

 

exiting PSU above

 

 

 

 

 

55°C.

 

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.

 

 

 

 

 

 

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

LED Functions

 

 

 

 

 

State

 

Green

Amber

 

 

 

 

No drive fitted

 

Off

Off

 

 

 

Drive Power ON

On

Off

 

 

 

 

Drive Activity

 

Blink off

Off

 

 

 

 

Drive Fault

 

On

On

 

 

 

 

Drive activity - LED may be off for a length of time during power up.

7.5.1Dummy Carrier Modules

Dummy Carrier modules must be fitted to all unused drive bays to maintain a balanced air flow.

65

Page 85
Image 85
Galaxy Metal Gear 65 manual Drive Carrier Module Faults, Thermal Alarm, State Green Amber