8551 Errors

Numeric Errors
Beep Symptoms
Miscellaneous Symptoms

IMPORTANT:
1. If you have both an error message and an incorrect audio response, diagnose the error message first.
2. If you cannot run the advanced diagnostics tests, but did receive a POST error message, diagnose the POST error message.
3. If you did not receive an error message, look for a description of your error symptoms in the first part of this index.
4. Check all power supply voltages before you replace the system board. (See "Power Systems Checkout" on page 78.)
5. If an error message is not listed, there is a device installed that requires an additional diskette or service manual. Refer to the diskette or service manual for that device.



Numeric Error Codes
Symptom/Error  FRU/Action
00010200, 00010300, 
00010400, 00010700
1. System Board
00010800 1. System Board 
2. Communications Cartridge
00011000 (See "Memory Checkout" on page 77 before replacing any FRUs.) 1. Memory Module Kit 
2. System Board
000113XX  1. System Board 
2. Communications Cartridge 
3. Any Drive
000114XX  1. Communications Cartridge
000118XX  1. Memory Module Kit
00016100  1. See Testing the Battery Pack
2. System Board 
3. Voltage Converter
00016300, 00016400, 00016500, 00016900 (If setting configuration does not solve the problem see "Checking Installed Devices" on page 95.) 1. Set Configuration 
2. System Board 
3. Communications Cartridge
4. Hard Disk Drive
5. Memory Module Kit
000166XX  1. Communications Cartridge
000171XX, 000172XX  1. System Board
00017300  1. See Testing the Battery Pack
2. System Board 
3. Voltage Converter
00017400 
(If Automatic Configuration does not solve the problem run Advanced Diagnostics.)
1. Set Configuration
00019000, 000191XX  1. System Board
00019200  1. Lid Switch 
2. Keyboard Control Card 
3. System Board
00019300  1. System Board
000199XX  1. System Board
0001XXXX 
(not listed above) 
1. System Board 
2. Communications Cartridge 
3. I/O Panel Assembly
0002XXXX 
(See "Memory Checkout" on page 77 before replacing any FRUs.)
1. Memory Module Kit 
2. System Board
00030100, 00030500 
(Always power-on computer before any external device.)
1. Keyboard Control Card 
2. SystemBoard 
3. Keyboard 
4. Numeric Keypad
00030200, 00030300, 
00030400 
1. System Board 
2. Keyboard Control Card 
3. Keyboard  or Numeric Keypad 
00030600  1. Keyboard or Numeric Keypad 
2. Auxiliary Input Device 
3. Keyboard Control Card 
4. System Board 
5. I/O Panel Assembly
0004XXXX  1. System Board 
2. Any Parallel Device 
3. CommunicationCable 
4. I/O Panel Assembly
000601XX  1. Diskette Drive 
2. System Board 
3. DisketteDrive Cable
000602XX  1. Defective Diskette
000655XX, 000662XX, 
000670XX to 000675XX 
1. System Board 
2. Diskette Drive 
3. Diskette Drive Cable
0006XXXX 
(Unsupported drive or cable)
1. Diskette Drive 
2. System Board 
3. Diskette Drive Cable
0011XX00  1. System Board 
2. Any Serial Device 
3. Communication Cable 
4. I/O Panel Assembly
0014XXXX 
(Printer Checkout before replacing any FRUs.)
1. Printer 
2. System Board
0024XX00  1. System Board 
005002XX 005006XX 005008XX 005041XX  1. System Board 
2. External Display 
3. I/O Panel Assembly 
005004XX, 005010XX, 
005030XX to 005032XX 005051XX to 005062XX 
1. SystemBoard 
2. LCD Panel 
3. LCD Inverter 
4. LCD Cable
005009XX, 005040XX 1. External Display 
2. System Board 
3. I/O Panel Assembly
00860100, 00860200 1. Pointing Device (Mouse) 
2. System Board 
3. Numeric Keypad 
4. I/O Panel Assembly
0086XX00  1. System Board 
2. Pointing Device (Mouse) 
3. Numeric Keypad 
4. I/O Panel Assembly
010103XX to 010110XX 010116XX to 010153XX 010171XX, 0101XXXX  1. See "Fax/Modem Checkout" on page  466.
010436XX  1. System Board 
2. Hard Disk Drive 
3. Hard Disk Drive Cable 
0104XXXX  1. Hard Disk Drive 
2. System Board 
3. Hard DiskDrive Cable
0130XXXX 1. I/O Panel Assembly 
2. System Board 
3. Keyboard Control Card
0137XXXX 1. Any Serial Adapter 
2. System Board 
3. Voltage Converter 
4. Any Serial Device 
5. Communication Cable
0166XXXX, 0167XXXX 1. Adapter in Commo Cartridge 
2. Communications Cartridge 
I9990301 
(Startup drive not found.)
1. Start Refdisk and check if the startup sequence is correct.
Select Set features from Main Menu
Select Set startup sequence. 
Check list of devices on screen.
I9990302 
(Operating system not found.)
1. Make sure an OS is installed. 
2. Hard Disk Drive 
3. System Board 
4. Hard Disk Drive Cable
I998XXXX, I9990303 
(See "Hard Disk Partition" on page 96 before replacing any FRUs.)
1. Restore system programs onto the system partition. 
2. Set configuration 
3. Hard Disk Drive 
4. System Board 
5. Hard Disk Drive Cable


Beep Symptoms
Symptom/Error FRU/Action
Continuous beep.  1. System Board 
Repeating short beeps. (See External KB/Aux Input Device Checkoutbefore replacing FRUs.) 1. Keyboard 
2. Keyboard Control Card 
3. System Board
One long and one short beep.  1. System Board 
One long and two short beeps.  1. System Board
One short beep and a blank unreadable or flashing display with no external display attached.  1. LCD Panel 
2. LCD Inverter 
3. System Board 
4. LCD Cable
One short beep and Diskette Prompt or a program load from the harddisk or unable to read diskette.  1. Diskette Drive 
2. System Board 
3. Diskette Drive Cable
Two short beeps and a blank display.  1. System Board


Miscellaneous Symptoms
Symptom/Error  FRU/Action
No beep and a blank or unreadable display during POST. 
(See Power Systems Checkout before replacing any FRUs.) 
1. SystemBoard 
2. Any option or device 
3. Power source when failing 
4. Voltage Converter 
5. Speaker
No beep with a blinking cursor. 1. System Board 
2. Communications Cartridge
No beep with a normal display during POST. 1. Speaker 
2. I/O Panel Assembly 
3. System Board 
4. Keyboard Control Card
No beep and the computer hangs after displaying memory count.  1.System Board 
2. Communications Cartridge 
3. Hard Disk Drive 
LCD too dark unable to adjust contrast or brightness.  1. LCD Inverter 
2. LCD Panel 
3. System Board 
LCD unreadable or distorted. 
(If  external display is OK replace system board last.) 
1. LCD Panel 
2. System board 
3. LCD Inverter 
4. LCD Cable
LCD cannot be turned on or off.  1. LCD Inverter 
2. System Board 
3. LCD Cable
Blank screen or extra horizontal or vertical line(s) displayed on upper or lower half of the LCD.  1. LCD Panel 
2. System Board 
3. LCD Cable
Computer status indicator is incorrectly blinking or stays on.  1. System Board 
2. Related Device
Computer status indicator stays off but the POST ends without an error. 1. I/O Panel Assembly 
2. System Board 
3. Related Device 
Suspend light comes on after POST. an error.  1. Reseat voltage regulator cables
2. Voltage Regulator
Reference Diskette does not work.  (Try another Refdisk or any bootable diskette before replacing FRUs. Ensure all correct level drivers are loaded.)  1. Diskette Drive 
2. System Board
3. Diskette Drive Cable
4. Reference Diskette
Keyboard does not work.  1. Keyboard Control Card
2. Numeric Keypad
3. System Board
One or more keys do not work. 
(See External KB/Aux Input Device Checkout before replacing FRUs.)
1. Keyboard
2. Numeric Keypad if installed 
3. Keyboard Control Card
External display problems. 
(See External Display Self-Test before replacing any FRUs.)
1. External Display
2. System Board
3. I/O Panel Assembly
Incorrect memory size during POST. (See "Memory Checkout" on page 77 before replacing any FRUs.)  1. System Board 
2. Memory Module Kit
Computer hang or Intermittent hang. (See "Undetermined Problem" on page 94 before replacing any FRUs.)  1. System Board 
2. Hard Disk Drive Cable 
3. Hard Disk Drive 
4. Replace last device being tested 
5. Voltage Converter
The computer goes into suspend mode after the POST 1. System Board
2. Voltage Converter 
3. Lid Switch 
4. Keyboard Control Card
The computer does not suspend or resume.  1. System Board
2. Voltage Converter
3. Lid Switch
4. Keyboard Control Card
The computer does not power off.  1. Voltage Converter 
2. System Board 
3. I/O Panel Assembly
Real-time clock inaccurate. 
(Test Battery Pack before replacing any FRUs.)
 1. Backup Battery 
2. System Board
Printer problems.  1. See "Printer Checkout" on page  468.
Serial or parallel port device problems.  1. Device 
2. Cable 
3. System Board 
4. Serial Adapter 
5. I/O Panel Assembly
Internal Data/Fax modem does not communicate with a remote modem ora fax.  1. See "Fax/Modem Checkout" on page  466.

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