3Com 6416SW manual Error LED lit red to indicate a severe error Steps to Take

Power is ON but the RUNNING LED does not light (yellow).

Steps to Take:

1.Press the TEST LED button on the power supply module to verify that the RUNNING LED is not burned out.

2.Verify that the 6416SW module has been installed correctly by following the

installation procedure in Chapter 2, “Installation” on page 2-1.

3. Press the ATM Reset button on the 6416SW module.

4.If the RUNNING LED still does not light, call your 3Com dealer or your 3Com representative.

ERROR LED lit (red) to indicate a severe error.

Steps to Take:

1.Press the TEST LED button on the power supply module to verify that the RUNNING LED is not burned out.

2.Verify that the 6416SW module has been installed correctly by following the

installation procedure in Chapter 2, “Installation” on page 2-1.

3. Press the ATM Reset button on the 6416SW module.

4. If the ERROR LED remains lit, call your 3Com dealer or your 3Com representative.

ACTIVE LED is not lit.

Steps to Take:

1. If the diagnostics are enabled and running, wait at least 7 seconds.

2.

See

if the

6416SW module

is installed

in slots 11

and

12. If

it

is,

re-insert it

9

and

10.

3.

Press

the

TEST

LED

button on

the power

supply module

to

verify

that

the

ACTIVE

LED is

not

burned

out.

4.Verify that the 6416SW module has been installed correctly by following the installation procedure in Chapter 2, “Installation” on page 2-1.

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