Specifications

303 - 07 Keyboard LED test, LED
command test failed
303 - 08 Keyboard LED test, command
byte restore test failed
303 - 09 Keyboard LED test, LEDs
failed to light
304 - 01 Keyboard typomatic test
failed
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315 - 01 Security lock is 1. Replace the security lock.
inoperative
315 - 02 Security lock sticks in
locked position
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Error Error Required
Code Description Action
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Printer
4yy-xx
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401 - 01 Printer failed or not The following steps apply to error
connected codes 401 - 01 through 403 - 01:
402 - 01 Printer data register 1. If a printer is connected, be
failed sure it is turned ON and in
the online mode.
402 - 02 Printer controller register 2. Check switch 2 on the
failed diskette/tape controller board
(see Chapter 8). *
402 - 03 Printer data and controller 3. Replace the printer and/or the
register failed printer controller cable.
4. Replace the diskette/tape
402 - 04 Printer loopback failed controller board. *
5. Replace the system board.
402 - 05 Printer loopback and data
register failed * 286 based COMPAQ Personal
Computers only
402 - 06 Printer loopback and
controller register failed
402 - 07 Printer loopback, data,
and controller register
failed
402 - 08 Printer interrupt test
failed
402 - 09 Printer interrupt and data
failed
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Error Error Required
Code Description Action
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402 - 10 Printer interrupt and The following steps apply to error
controller register failed codes 401 - 01 through 403 - 01: