Rackable Systems OmniStor 4700S Series, User Manual

Page: 73 / 108

Chapter 5 - Troubleshooting
Terminal and COM Port Problems
61
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 “Cooling
Fan Module” on page 7 for more details.
Replace cooling fan canister.
Faulty thermal sensor. Replace the enclosure.
Drive Status LED is
illuminated amber. Fault in the Serial ATA disk
channel. Disk drive loop has a fault, refer to
“Common SCSI Bus Problems” on
page 59. 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 can be
set from 9,600 to 115,200. 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 115,200 and click OK.
Symptom Reason Solution