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Lenovo ThinkCentre M50 Hardware Maintenance Manual (HMM) - Page 76

Power, Supply, Errors, Diagnostic, error, codes

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Power Supply Errors If the power-on indicator is not on, the power supply fan is not running, or the computer will not power-off, use the following procedures. Check/Verify Check the following for proper installation. v Power Cord v On/Off Switch assembly v Power/LED connector v System Board Power Supply connectors v Microprocessor(s) Check the power cord for continuity. Check the power supply voltages FRU/Action Reseat connectors (see "Identifying parts on the system board (all machine types)" on page 38. Power Cord See "Power supply connectors" on page 110. Diagnostic error codes Refer to the following diagnostic error codes when using the diagnostic tests. See Chapter 4, "IBM Enhanced Diagnostics," on page 15 for information about the Diagnostic programs. In the following index, X can represent any number. Diagnostic Error Code 000-000-XXX BIOS Test Passed 000-002-XXX BIOS Timeout 000-024-XXX BIOS Addressing test failure 000-025-XXX BIOS Checksum Value error 000-026-XXX FLASH data error 000-027-XXX BIOS Configuration/Setup error 000-034-XXX BIOS Buffer Allocation failure FRU/Action 1. No action 1. Flash the system 2. System board 1. Flash the system 2. System board 1. Flash the system 2. Boot block 3. System board 1. Flash the system 2. Boot block 3. System board 1. Run Setup 2. Flash the system 3. Boot block 4. System board 1. Reboot the system 2. Flash the system 3. Run memory test 4. System board 70 Hardware Maintenance Manual

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Chapter 2. General information	9
Features	9
Physical specifications	11
Types 8185, 8186, 8192, 8413, and 8430	12
Types 8128, 8187, 8188, 8193, 8414, and 8431	13
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	14
Types 8196 and 8197	15
Chapter 3. General Checkout	17
Chapter 4. IBM Enhanced Diagnostics	21
Diagnostics program download	21
Navigating through the diagnostics programs	21
Running diagnostics tests	21
Test selection	22
Test results	22
Fixed disk advanced test (FDAT)	22
Quick and Full erase - hard drive	24
Viewing the test log	24
Chapter 5. IBM Setup Utility program	25
Starting the IBM Setup Utility program	25
Viewing and changing settings	25
Exiting from the IBM Setup Utility program	26
Using passwords	26
User password	26
Administrator password	26
Setting, changing, and deleting a password	26
Using Security Profile by Device	27
Using IDE Drives Setup	27
Selecting a startup device	28
Selecting a temporary startup device	28
Changing the startup device sequence	28
Chapter 6. Replacing FRUs	29
Locating connectors on the front	29
Types 8185, 8186, 8192, 8413, and 8430	29
Types 8128, 8187, 8188, 8193, 8414, and 8431	29
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	31
Types 8196 and 8197	31
Locating the connectors on the rear	33
Types 8185, 8186, 8192, 8413, and 8430	33
Types 8128, 8187, 8188, 8193, 8414, and 8431	33
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	35
Types 8196 and 8197	35
Removing the cover	36
Types 8185, 8186, 8192, 8413, and 8430	36
Types 8128, 8187, 8188, 8193, 8414, and 8431	37
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	37
Types 8196 and 8197	38
Locating components	40
Types 8185, 8186, 8192, 8413, and 8430	40
Types 8128, 8187, 8188, 8193, 8414, and 8431	41
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	42
Types 8196 and 8197	43
Identifying parts on the system board (all machine types)	44
Replacing memory (all machine types)	44
Replacing adapters	45
Types 8185, 8186, 8192, 8413, and 8430	45
Types 8128, 8187, 8188, 8193, 8414, and 8431	47
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	48
Types 8196 and 8197	48
Replacing internal drives	49
Types 8185, 8186, 8192, 8413, and 8430	49
Drive bay information	49
Removing a drive	50
Installing a drive	51
Types 8128, 8187, 8188, 8193, 8414, and 8431	51
Drive bay information	51
Removing a drive	52
Installing a drive	53
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	54
Drive bay information	54
Removing the drive	54
Installing a drive	55
Types 8196 and 8197	57
Drive bay information	57
Removing a drive	57
Installing a drive	59
Connecting the drive	60
Parallel ATA hard disk drive	60
Serial ATA hard disk drive	61
CD drive, DVD drive, CD/RW drive, or DVD/CD/RW combo drive	61
Diskette drive	61
Replacing the battery (all machine types)	62
Replacing the power supply	63
Types 8185, 8186, 8192, 8413, and 8430	63
Types 8128, 8187, 8188, 8193, 8414, and 8431	63
Types 8189, 8190, 8194, 8195, 8196, 8197, 8415, 8432, and 8433	64
Replacing a microprocessor (all machine types)	65
Replacing the system board (all machine types)	67
Replacing the cover and connecting the cables	69
Types 8185, 8186, 8192, 8413, and 8430	69
Types 8128, 8187, 8188, 8193, 8414, and 8431	70
Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433	71
Types 8196 and 8197	72
Chapter 7. Symptom-to-FRU Index	75
Hard disk drive boot error	75
Power Supply Errors	76
Diagnostic error codes	76
Beep symptoms	95
No-beep symptoms	97
POST error codes	98
Miscellaneous error messages	113
Undetermined problems	115
Power supply connectors	116
Connector P1	116
Connector P2, P3, P4, and P7	116
Connector P5 (Diskette drive)	116
Connector P6	116
Connector P8 (Serial ATA)	116
Chapter 8. Additional Service Information	117
Security features	117
Passwords	117
Power-on password	117
Removing a power-on password	117
Administrator password	117
Administrator password control	118
Operating system password	118
Vital product data	118
BIOS levels	118
Erasing a lost or forgotten password (clearing CMOS)	119
Flash update procedures	119
Updating (flashing) BIOS from a diskette or CD-ROM	119
Updating (flashing) BIOS from your operating system	119
Recovering from a POST/BIOS update failure	120
Power management	121
Automatic configuration and power interface (ACPI) BIOS	121
Advanced Power Management	121
Automatic Hardware Power Management features	121
Setting Automatic Hardware Power Management features	121
Automatic Power-On features	122
Product Recovery Program	123
Chapter 9. Parts listing	125
Type 8128	125
Type 8185	127
Type 8186	136
Type 8187	140
Type 8188	155
Type 8189	164
Type 8190	178
Type 8192	184
Type 8193	186
Type 8194	194
Type 8195	208
Type 8196	217
Type 8197	221
Type 8413	224
Type 8414	229
Type 8415	235
Type 8430	238
Type 8431	242
Type 8432	247
Type 8433	250
Chapter 10. Related service information	253
Safety information	253
General safety	253
Electrical safety	254
Safety inspection guide	255
Handling electrostatic discharge-sensitive devices	256
Grounding requirements	257
Safety notices (multi-lingual translations)	257
Send us your comments!	286
Problem determination tips	287
Notices	287

Match case Limit results 1 per page

Power

Supply

Errors

the

power-on

indicator

not

on,

the

power

supply

fan

not

running,

the

computer

will

not

power-off,

use

the

following

procedures.

Check/Verify

FRU/Action

Check

the

following

for

proper

installation.

Power

Cord

On/Off

Switch

assembly

Power/LED

connector

System

Board

Power

Supply

connectors

Microprocessor(s)

Reseat

connectors

(see

“Identifying

parts

the

system

board

(all

machine

types)”

page

38.

Check

the

power

cord

for

continuity.

Power

Cord

Check

the

power

supply

voltages

See

“Power

supply

connectors”

page

110.

Diagnostic

error

codes

Refer

the

following

diagnostic

error

codes

when

using

the

diagnostic

tests.

See

Chapter

“IBM

Enhanced

Diagnostics,”

page

for

information

about

the

Diagnostic

programs.

the

following

index,

can

represent

any

number.

Diagnostic

Error

Code

FRU/Action

000-000-XXX

BIOS

Test

Passed

action

000-002-XXX

BIOS

Timeout

Flash

the

system

System

board

000-024-XXX

BIOS

Addressing

test

failure

Flash

the

system

System

board

000-025-XXX

BIOS

Checksum

Value

error

Flash

the

system

Boot

block

System

board

000-026-XXX

FLASH

data

error

Flash

the

system

Boot

block

System

board

000-027-XXX

BIOS

Configuration/Setup

error

Run

Setup

Flash

the

system

Boot

block

System

board

000-034-XXX

BIOS

Buffer

Allocation

failure

Reboot

the

system

Flash

the

system

Run

memory

test

System

board

Hardware

Maintenance

Manual