Lenovo 8332 manual Troubleshooting, System faults, Power supply unit faults

Table 11. Light and buzzer interpretations (continued)

LED/buzzer	State	Related	Meaning	Action
	Faster beep (1.5	Front operator's panel	Critical mode	See Table 13.
	seconds beep, 0.5	fault LED fast blink
	second silence)	(alternating every half
		second)
	Constant beep	Front operator's panel	Failure mode	See Table 4 on page
		fault LED constant on		20.

Troubleshooting

The following sections describe common problems, with possible solutions, which can occur with your Secure Managed Client (SMC) - Storage Array.

For details on how to remove and replace a module see the Hardware Installation and Replacement Guide.

System faults

Table 12. System faults

Symptom	Cause	Action
1. Audible alarm sounds	1. Internal fault detected (failure of	1. Check for other amber LED
	an internal communications path)	indications of the power supply
		units. If there is a PSU error
		present there may be a
		communication problem with that
		PSU. Remove and then re-install
		the PSU. If the problem persists
		then change the PSU.

Power supply unit faults

Table 13. Power supply unit faults

Symptom		Cause		Action
1.	Front operator's panel unit fault	1.	Any power fault	1.	Check that the AC main
2.	LED amber	2.	A thermal condition which could	2.	connection to PSU is live
	Audible alarm sounding		cause PSU overheating		Disconnect the PSU from main
					power and remove the PSU from
					the power supply cage. Re-install.
					If problem persists, replace PSU.
				3.	Reduce the ambient temperature

28User Guide