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Data Port
Error Codes
N-595
Table 9 lists symptoms of problems relating to the data port and recommended
actions. If the action requires replacement of the User Interface PCB, refer to
Disassembly Guide on page 63.
Symptom
No printout is being
received.
The RS-232 nurse call is
not working.
An error code is displayed when the N-595 detects a non-correctable failure. Table
10 provides a list of error codes for the N-595. When one of the following errors
occurs:
•
the N-595 sound a low priority alarm that cannot be silenced except by
power-down
•
measurements stop
•
red "EEE" is displayed in the %SpO
•
red error code is displayed in the left numeric display
•
cycling the power clears the displayed error code
Table 9: Data Port Problems
Recommended Action
•
Confirm that printer is working through an
alternate means.
•
The monitor's baud rate does not match the
printer. Change the baud rate of the monitor
following instructions in Configuring the Data
Port on page 105.
•
If the condition still persists, replace the User
Interface PCB. See User Interface PCB Removal/
Replacement on page 76.
•
Verify that connections are made between pins 5
(GND) and 11 (nurse call) of the data port
(Figure 16 on page 114).
•
Verify that the output voltage between ground pin
5 and pin 11 is -5 to -12 VDC (no alarm) and +5
to +12 VDC (during alarm) (Figure 16 on
page 114).
•
If the condition still persists, replace the User
Interface PCB. See User Interface PCB Removal/
Replacement on page 76.
display area
2
Troubleshooting
57
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