Troubleshooting, System faults, Power supply unit faults – Lenovo Secure Managed Client User Manual

Page 36: System, Faults, Power, Supply, Unit

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Table

11.

Light

and

buzzer

interpretations

(continued)

LED/buzzer

State

Related

Meaning

Action

Faster

beep

(1.5

seconds

beep,

0.5

second

silence)

Front

operator's

panel

fault

LED

fast

blink

(alternating

every

half

second)

Critical

mode

See

Table

13.

Constant

beep

Front

operator's

panel

fault

LED

constant

on

Failure

mode

See

Table

4

on

page

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

an

internal

communications

path)

1.

Check

for

other

amber

LED

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

LED

amber

2.

Audible

alarm

sounding

1.

Any

power

fault

2.

A

thermal

condition

which

could

cause

PSU

overheating

1.

Check

that

the

AC

main

connection

to

PSU

is

live

2.

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

28

User

Guide

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