vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee Chapter 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Sensor PSn 12V OC Fault has

Error

A sensor has changed to

1.

Check the power-supply LED

transitioned to non-recoverable.

 

Nonrecoverable state.

 

 

on the EasyLED panel (see

(n = power supply number)

 

 

 

 

 

 

“EasyLED diagnostics” on

 

 

 

 

 

 

 

 

page 76).

 

 

 

2.

Remove the power supplies.

 

 

 

3.

Replace power supply n.

 

 

 

4.

(Trained service technician

 

 

 

 

only) Replace the system

 

 

 

 

board.

 

 

 

(n = power supply number)

 

 

 

 

 

Sensor PS n VCO Fault has

Error

A sensor has changed to

1.

Check the power-supply LED

transitioned to non-recoverable.

 

Nonrecoverable state.

 

 

on the EasyLED panel (see

(n = power supply number)

 

 

 

 

 

 

“EasyLED diagnostics” on

 

 

 

 

 

 

 

 

page 76).

 

 

 

2.

Replace the failing power

 

 

 

 

supply.

 

 

 

(n = power supply number)

 

 

 

 

 

Redundancy Power Unit has been

Error

Redundancy has been lost

1.

Check the LEDs for both

reduced.

 

and is insufficient to continue

 

 

power supplies.

 

 

operation.

 

 

 

2.

Follow the actions in

 

 

 

 

 

 

 

“Power-supply LEDs” on page

 

 

 

 

88.

 

 

 

 

 

Redundancy Cooling Zone 1 has

Error

Redundancy has been lost

1.

Make sure that the connector

been reduced.

 

and is insufficient to continue

 

 

on fan 1 and fan 4 (if

 

 

operation.

 

 

 

 

installed) is not damaged.

 

 

 

 

 

 

 

2.

Make sure that the fan

 

 

 

 

connectors on the system

 

 

 

 

board are not damaged.

 

 

 

3.

Make sure that the fan cage

 

 

 

 

is correctly installed.

 

 

 

4.

Reseat the fan.

 

 

 

5.

Replace the fan.

 

 

 

 

 

Redundancy Cooling Zone 2 has

Error

Redundancy has been lost

1.

Make sure that the connector

been reduced.

 

and is insufficient to continue

 

 

on fan 2 and fan 5 (if

 

 

operation.

 

 

 

 

installed) is not damaged.

 

 

 

 

 

 

 

2.

Make sure that the fan

 

 

 

 

connectors on the system

 

 

 

 

board are not damaged.

 

 

 

3.

Make sure that the fan cage

 

 

 

 

is correctly installed.

 

 

 

4.

Reseat the fan.

 

 

 

5.

Replace the fan.

 

 

 

 

 

50ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual

Page 58
Image 58
Lenovo 3719, 3821, 3822, 3823 manual