Dräger Narkomed 2C - Guide 7: Display Blank Upon System Power-up

TROUBLESHOOTING GUIDE (continued) NM2C
GUIDE 7: Display Blank Upon System Power-up
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START
DOES
UNIT PASS
PMS?
UNIT IS
FUNCTIONAL
CONTACT NAD
SERVICE DEPT.
POWER OFF,
REINSTALL ORIGINAL
PROCESSOR
ASSEMBLY
PERFORM A
COMPLETE PMS
ON UNIT
IS DISPLAY
BLANK UPON SYSTEM
POWER-UP?
POWER OFF,
RECONNECT
ORIGINAL DISPLAY
------------------------------------
REPLACE
PROCESSOR ASSEMBLY
AS OUTLINED IN
SECTION 4
POWER OFF,
REPLACE DISPLAY
ASSEMBLY
AS OUTLINED IN
SECTION 4
IS DISPLAY
BLANK UPON SYSTEM
POWER-UP?
POWER OFF,
SUBSTITUTE ANOTHER
DISPLAY
IS DISPLAY
BLANK UPON SYSTEM
POWER-UP?
CHECK POWER
SUPPLY VOLTAGES,
REPLACE POWER
SUPPLY IF OUT
OF TOLERANCE
POWER OFF,
CONNECT
DISPLAY CABLE TO
PROCESSOR PORT J4
IS DISPLAY
CABLE CONNECTED
TO PROCESSOR
PORT J4?
IS DISPLAY
BLANK UPON SYSTEM
POWER-UP?
3-10
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