Dräger Narkomed 2C Technical & Service Manual page 25

NM2C
START
ARE
O2 SUPPLY
PRESSURE ALARMS
FUNCTIONAL?
N
LOW O2
SUPPLY PRESSURE ON
DISPLAY ONLY?
Y
CHECK CABLE AND
CONNECTIONS: ALARM
CHANNEL J1 TO
PROCESSOR BOARD J16
ARE
O2 SUPPLY
PRESSURE ALARMS
FUNCTIONAL?
N
REPLACE
PROCESSOR ASSEMBLY
AS OUTLINED IN
SECTION 4
ARE
O2 SUPPLY
PRESSURE ALARMS
FUNCTIONAL?
N
RETURN TO THIS MANUAL'S TABLE OF CONTENTS
TROUBLESHOOTING GUIDE (continued)
Y
CHECK O2 LOW
PRESSURE ALARM SWITCH
N AND WIRE HARNESS,
ALL CONNECTIONS TO
ALARM CHANNEL. (REF.
SECTION 4)
ARE
O2 SUPPLY
PRESSURE ALARMS
FUNCTIONAL?
N
Y
REPLACE
ALARM CHANNEL
AS OUTLINED IN
SECTION 4
REINSTALL ORIGINAL
Y PROCESSOR ASSEMBLY
3-9
RETURN TO CD-ROM TABLE OF CONTENTS
GUIDE 6: No O Supply Pressure Alarms
2
Y
PERFORM A
COMPLETE PMS
ON UNIT
Y
ARE
O2 SUPPLY
PRESSURE ALARMS
FUNCTIONAL?
N
CONTACT NAD
SERVICE DEPT.
UNIT IS
FUNCTIONAL
Y
DOES UNIT
PASS PMS?
N