Dräger Narkomed 2C - Troubleshooting Guides

NM2C TROUBLESHOOTING GUIDE (continued)
3.2 Battery
While the machine is operating from an AC line, the battery voltage at full
charge should be within the range of 12.83 to 14.18 VDC. Battery voltage can
be measured at TB1, terminals 1 and 2, on the power supply. During battery
operation, the low battery cutoff voltage should be within the range of 10.5 to
10.0 VDC.
3.3 Troubleshooting Guides
Table 3-2 lists common failure modes and symptoms (excluding simultaneous
multiple faults) for the monitoring and display devices in the NARKOMED 2C.
Each failure mode or symptom is keyed to a troubleshooting guide flow chart
at the back of this section to assist the TSR in locating a problem. These flow
charts assume that the machine is plugged into an AC outlet with the correct
voltage, and the machine is not running on its backup battery.
TABLE 3-2: NARKOMED 2C FAILURE MODE AND SYMPTOM LIST
FAILURE MODE / SYMPTOM CORRECTIVE ACTION
Loss of O
2
Monitor Guide 1
Loss of Breathing Pressure Monitor Guide 2
Loss of Respiratory Volume Monitor Guide 3
No Audio Alarms Guide 4
Serial Port Communication Failure Guide 5
No Oxygen Supply Pressure Alarms Guide 6
Display Blank Upon System Power-up Guide 7
Display Keypanel Inoperative Guide 8
No Datagrip Response Guide 9
Ventilator Inoperative Guide 10
3-3
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