nStor NexStor 4200F Series, User Manual

Page: 135 / 174

Chapter 5 - Troubleshooting
Terminal and COM Port Problems
123
Terminal and COM Port Problems
Fan Status LED is
flashing (amber). Enclosure cabinet over-
temperature condition. Check for obstructed air flow. Ensure
that the air flow intake at the front
bezel is not obstructed and the
exhaust air flow is not obstructed at
the rear of the enclosure.
Add the jumpers to manually override
the fan automatic speed control, and
verify if the LED stops flashing. Refer
to “Enclosure Fan Speed Control” on
page 113 for more details.
Replace cooling fan canister.
Faulty thermal sensor. Replace the enclosure.
Drive Status LED is
illuminated amber. Fault in the Fibre Channel
loop. Disk drive loop has a fault, refer to
“Common Fibre Loop/Bus Problems”
on page 120. Replace the faulty disk
drive.
Channel Status LED is
flashing green. Controller(s) not ready. Wait approximately 2 to 3 minutes.
Reset the controllers.
Power cycle the enclosure.
Possible bad RAID Controller.
Symptom Reason Solution
Screen continuously
puts out garbage
characters. The likely cause of this
problem is a baud rate
mismatch between the
terminal emulator and the
enclosure. The baud rate
should be 9,600. 1 Shut down the controller.
Refer to the software user’s
guide.
2 Power down the enclosure.
3 For Hyper-Terminal:
a. Select the File menu and
choose Properties.
b. Click the Configure button.
c. Choose 9600 and click OK.
Symptom Reason Solution
4200F.book Page 123 Thursday, January 23, 2003 2:47 PM