Dot Hill Systems II 200 FC service manual 2 Power Supply or Fan Module Flowchart, 1 of

1A

Power supply or fan problem

Notes

A fan can continue to spin normally even when a power supply has failed.

Prior to replacing a chassis, try the following: --Reseat the FRU that is not operating correctly.

--Swap the questionable FRU with a known-good FRU from the same array.

Front panel power LED amber?

Yes	Check power	Replace chassis.	End
	supply LEDs.
		No

No

Both green? Yes

No

Power supply

No

cord plugged in?

Yes

No

Power supply

Is the LED

ribbon cable on the

right ear loose?

Plug it in.

Resolved?

	Secure the
Yes
	ribbon cable.

End

Yes End

swiitch on?

Yes

No

Turn it on.

Reseat the power		No	Resolved?	Yes	End
supply.
			Replace the			Continue with
Resolved?	No	power supply with		Resolved?	No	1B.
		known good power
			supply.
				Yes
Yes				Replace bad
				power supply.

Continue with 1B.

End End

Figure 8-2Power Supply or Fan Module Flowchart, 1 of 2

8-12SANnet II 200 FC, SATA, and SATA SE Array Installation, Operation, and Service Manual • March 2005