Welch Allyn 4200B, Directions For Use Manual, Page: 45 / 74

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Error Indications and Interpretation
The following table of conditions and error codes provides a quick reference of the
descriptions and probable causes of error codes.
To clear the error code:
Power the Spot Vital Signs off, wait five seconds, and power on. If the error code
reappears then power the Spot Vital Signs off and disconnect the battery for five minutes.
Reconnect the battery and power on. If the error code continues to reappear, call Welch
Allyn for a Service Notification Number (see “Technical Assistance” on page 56).
Press the Blood Pressure Start/Stop button to reset flashing patient alarm conditions.
Error Codes
Table 1. General
Code Description Corrective Action
E11 Internal safety violation Check patient, contact Technical Service.
C12 Ambient temperature out of range Adjust ambient temperature or device location.
C13 Battery failure Use wall transformer.
E0.0 - E9.9 Temperature module malfunction Contact Technical Service.
E42 Internal communications error Disconnect the battery and wait 5 minutes.
Reconnect the battery and then set the date and time,
see “Blood Pressure Hose and Cuff Connections” on
page 21.
E20 - E50 General internal malfunction Contact Technical Service.
Table 2. Blood Pressure
Code Description Corrective Action
C02 Auto-zero failure Check for air obstruction, limit patient movement.
C03 Inflation too rapid Check for kinked blood pressure cuff tubing, pressure
hose, or other air obstruction.
C04 Excessive inflation time Check for air leaks.
C05 Excessive noise Check patient condition, blood pressure cuff
placement, limit patient movement.
C06 Measurement was outside of device’s
measurement range Check patient condition.
E10 Blood pressure cuff overpressure condition Check patient condition.