HP Portable 386 Compaq Portable 386 Personal Computer Maintenance and Service - Page 23

Diagnostic Error Codes, Fixed disk drive/ Run DIAGNOSTICS.

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304 - Keyboard or None Keyboard or 1. Replace keyboard. System Unit Error system board 2. Replace system board. failure 401 - Printer None System board Replace system board. Interface Error failure 402 - Monochrome 1 Long, System board or 1. Replace plasma display Adapter Error 2 Short plasma display controller board controller board 2. Replace system board failure 501 - Display 1 Long, Plasma display or 1. Replace plasma display Adapter Failure 2 Short plasma display controller board. controller board 2. Replace plasma display 601 - Diskette None System board Replace system board. Controller Error failure 701 - Coprocessor None Coprocessor Replace coprocessor. Error Error 702 - Coprocessor None Coprocessor 1. Check jumper setting. Detection Error installation 2. Replace coprocessor. Message Beeps Probable Cause Recommended Action 1780 - Disk 0 None Fixed disk drive/ Run DIAGNOSTICS. Failure format error 1782 - Disk None Fixed disk drive Run DIAGNOSTICS. Controller Failure controller error 1790 - Disk 0 None Fixed disk drive 1. Run SETUP. Failure 2. Run DIAGNOSTICS. Parity Check 2 None Expansion RAM Run DIAGNOSTICS. XX000 Y ZZ failure Audible 1 Short Power on None. successful Audible 2 Short Power on None. successful (RESUME ="F1" KEY) None As indicated on Press F1 key. display Chapter 6.3 Diagnostic Error Codes DIAGNOSTIC error codes occur if the system recognizes a problem while running the COMPAQ DIAGNOSTICS Program. These error codes help identify possible defective subassemblies. Tables 6-2 through 6-13 list possible error codes, a description of the error condition, and the action required to resolve the error condition. In each case, the Recommended Action column lists steps necessary to correct

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304 - Keyboard or
None
Keyboard or
1. Replace keyboard.
System Unit Error
system board
2. Replace system board.
failure
-----------------------------------------------------------------------------
401 - Printer
None
System board
Replace system board.
Interface Error
failure
-----------------------------------------------------------------------------
402 - Monochrome
1 Long,
System board or
1. Replace plasma display
Adapter Error
2 Short
plasma display
controller board
controller board
2. Replace system board
failure
-----------------------------------------------------------------------------
501 - Display
1 Long,
Plasma display or 1. Replace plasma display
Adapter Failure
2 Short
plasma display
controller board.
controller board
2. Replace plasma display
-----------------------------------------------------------------------------
601 - Diskette
None
System board
Replace system board.
Controller Error
failure
------------------------------------------------------------------------------
701 - Coprocessor
None
Coprocessor
Replace coprocessor.
Error
Error
-----------------------------------------------------------------------------
702 - Coprocessor
None
Coprocessor
1. Check jumper setting.
Detection Error
installation
2. Replace coprocessor.
------------------------------------------------------------------------------
Message
Beeps
Probable Cause
Recommended Action
------------------------------------------------------------------------------
1780 - Disk 0
None
Fixed disk drive/ Run DIAGNOSTICS.
Failure
format error
-----------------------------------------------------------------------------
1782 - Disk
None
Fixed disk drive
Run DIAGNOSTICS.
Controller Failure
controller error
-----------------------------------------------------------------------------
1790 - Disk 0
None
Fixed disk drive
1. Run SETUP.
Failure
2. Run DIAGNOSTICS.
-----------------------------------------------------------------------------
Parity Check 2
None
Expansion RAM
Run DIAGNOSTICS.
XX000 Y ZZ
failure
-----------------------------------------------------------------------------
Audible
1 Short
Power on
None.
successful
-----------------------------------------------------------------------------
Audible
2 Short
Power on
None.
successful
-----------------------------------------------------------------------------
(RESUME ="F1" KEY) None
As indicated on
Press F1 key.
display
==============================================================================
Chapter 6.3 Diagnostic Error Codes
DIAGNOSTIC error codes occur if the system recognizes a problem while running
the COMPAQ DIAGNOSTICS Program. These error codes help identify possible
defective subassemblies. Tables 6-2 through 6-13 list possible error codes, a
description of the error condition, and the action required to resolve the
error condition.
In each case, the Recommended Action column lists steps necessary to correct