No Oxygen Supply Pressure Alarms - Dräger Narkomed 2B Service Manual

NM2B
START
ARE
Y
OXYGEN SUPPLY
PRESSURE ALARMS
FUNCTIONAL?
N
IS O2
Y
SUPPLY PRESSURE
LED INDICATOR
FUNCTIONAL?
N
REPLACE OXYGEN
SUPPLY PRESSURE
ALARM SWITCH
AS OUTLINED IN
PROCEDURE 4.8 OR 4.22
IS O2
Y
SUPPLY PRESSURE
LED INDICATOR
FUNCTIONAL?
N
REINSTALL ORIGINAL
OXYGEN SUPPLY
ALARM SWITCH
--------------------
REPLACE
ALARM CHANNEL
AS OUTLINED IN
PROCEDURE 4.21 OR 4.22
Rev. A
RETURN TO THIS MANUAL'S TABLE OF CONTENTS
TROUBLESHOOTING GUIDE (continued)
GUIDE 8: No Oxygen Supply Pressure Alarms
Y
IS
"LOW O2 SUPPLY"
DISPLAYED ON
CENTRALERT ALARM
PANEL?
N
3-11
RETURN TO CD-ROM TABLE OF CONTENTS
IS O2
Y
SUPPLY PRESSURE
LED INDICATOR
FUNCTIONAL?
N
REINSTALL ORIGINAL
ALARM CHANNEL
REPLACE
PROCESSOR ASSEMBLY
AS OUTLINED IN
PROCEDURE 4.26
ARE
Y
OXYGEN SUPPLY
PRESSURE ALARMS
FUNCTIONAL?
N
REINSTALL ORIGINAL
PROCESSOR
ASSEMBLY
CONTACT NAD
SERVICE DEPT.
PERFORM A
COMPLETE PMS
ON UNIT
DOES
N
UNIT PASS
PMS?
Y
UNIT IS
FUNCTIONAL