HP 600 Modular Disk System - Manual (Page 28)

Troubleshooting 28
Troubleshooting
When the MDS600 does not power up
If the MDS600 does not power up:
1. Ensure that the MDS600 is connected to a working AC source.
2. Ensure that the power source is working properly:
o Check the status using the system power LED on the rear panel (" Rear panel LEDs and buttons " on
page 8 ).
o Be sure that the Power On/Standby button was pressed firmly and held for approximately 3
seconds.
3. Ensure that the power supplies are working properly.
Check the status using the power supply LEDs ("
Rear panel LEDs and buttons " on page 8 ).
4. Remove all AC power cords from enclosure power supplies and reinsert them.
5. Restart the system.
6. Check the MDS600 for the following normal power-up sequence to be sure that the system meets the
minimal hardware requirements and is powered up during normal operations:
a. The rear panel power LED turns from standby (amber) to on (solid green).
b. The system fans spin up to a high speed, and then spin down to a normal operating speed.
LED behavior
Issue Possible reasons Possible solutions
Power supply LED
is off • The power cords are not
connected or AC power is not
available.
• The power supply might not be
inserted properly, it might have a
damaged connector, or it might
have failed.
• Be sure that the power cord is connected to the
power supply.
• Be sure that the power supply is undamaged
and is fully seated.
• Be sure that all pins on the connectors and
components are straight.
• Contact an authorized service provider for
assistance.
Fan LED is off • The fan might not be inserted
properly, it might have a
damaged connector, or it might
have failed.
• Be sure that the fan is undamaged and is fully
seated.
• Be sure that all pins on the connectors and
components are straight.
• Contact an authorized service provider for
assistance.