GE TONOPORT V, Service Manual

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9-2 TONOPORT V Revision H
2001589-023
Diagnosis Codes / Error Codes:
E 27 Systolic pressure above 260 mmHg. Max. measuring range exceeded.
E 29 Insufficient number of oscillations detected: For a correct
measurement, the system must detect at least 8 oscillations. Tighten
the cuff so that one finger, but not two, can be inserted between the
patient's arm and the cuff. At the same time the device switches to a
deflation rate of 4 mmHg/s. When it detects more than 13 oscillations
later on, the rate is changed to 6 mmHg/s.
Code Explanation