Lenovo 8332 manual Drive carrier module faults, Dealing with hardware faults

Table 15. Thermal cooling (continued)

Symptom	Cause	Action
1. Front operator's panel unit fault	If the internal temperature	1. Check to ensure that local
LED amber.	measured in the airflow	ambient environment temperature
	through the enclosure
2. An amber LED is lit on one or		is below the upper 35°C (95°F)
	exceeds a pre-set threshold,
more PSUs.		specification.
	a thermal alarm sound.
		2. Check the installation for any
		airflow restrictions at either the
		front or rear of the enclosure. A
		minimum gap of 2.5 cm (1 inch)
		at the front and 5 cm (2 inches)
		mm at the rear is recommended.
		3. Check for restrictions due to dust
		build up; clean as appropriate.
		4. Check for excessive re-circulation
		of heated air from rear to front.
		Use in a fully enclosed rack
		installation is not recommended.
		5. If possible, turn off the enclosure
		and investigate the problem
		before continuing.

Drive carrier module faults

Each Drive Carrier module has two LEDs: an upper (green) LED and a lower (amber) LED.

vUnder normal operation, the green LED is on and will flicker as the drive operates

vUnder normal operation, the amber LED will be:

–Off if there is no drive present

–Off as the drive operates

–On if a drive fault is present

Dealing with hardware faults

Ensure that you have obtained a replacement module of the same type before removing any faulty module.

vIf the subsystem is powered up and you remove any module, replace it immediately. If the subsystem is used with modules or module blanks missing for more than a few minutes, the enclosure can overheat, causing power failure and data loss. Such use will invalidate the warranty.

vReplace a faulty drive with a drive of the same type and equal or greater capacity.

vRefer to your vendor-supplied documentation when using storage software for handling drive-related hardware faults.

vAll drive bays must be installed with a drive carrier module in order to maintain a balanced airflow.

vAll the supplied plug-in power supply units, electronics modules and blank modules must be in place for the air to flow correctly around the cabinet

30User Guide