Safety Notes

92
Safety Functions
en
13 Safety Functions
The electronic components continuously monitor the proper function of the de-
vice. Device malfunctions are indicated with audible warning signals (beeps), er-
ror messages, and/or by blocking device functions. A table listing a summery of
possible error and warning messages is provided in Chapter 18 "Error and Warn-
ing Messages".
13.1 Device Self-Test
After being switched on, the device performs a self-test of the sensors, the motor,
and electronic components. The following describes the messages for defects of
the individual modules or components.
13.2 Sensor Errors
Sensor error The offset values are verified as part of the device check process that is executed
when the device is switched on. If an impermissible deviation or error in the pres-
sure measurement electronic system is detected, the display shows consecutive-
ly Device error, Call service and Sensor error and 3 warning beeps are emitted.
A Sensor error may also occur due to pressure on the sensor while a tube set is
not inserted.
Turn the device off and back on after approx. 10 seconds. If the error message is
displayed again, the device may not be used any longer. Make sure the device can
no longer be operated until a qualified service technician conducts the appropri-
ate tests and repairs.
13.3 Motor Error
Motor error If the motor drive is defective, the display shows consecutively Device error, call
service and Motor error and 5 warning beeps are emitted.
Turn the device off and back on after approx. 10 seconds. If the error message is
displayed again, the device may not be used any longer. Make sure the device can
no longer be operated until a qualified service technician conducts the appropri-
ate tests and repairs.
13.4 Electronics Error
Electronics error In case of an electronic component malfunction, the display shows consecutively
Device error, call service and Electronics error and 2 warning beeps are emitted.
Turn the device off and back on after approx. 10 seconds. If the error message is
displayed again, the device may not be used any longer. Make sure the device can
no longer be operated until a qualified service technician conducts the appropri-
ate tests and repairs.
13.5 Calibration Error
Calibration error If a calibration error occurs, the display shows consecutively Device error, call ser-
vice and Calibration error and 10 warning beeps are emitted.
Turn the device off and back on after approx. 10 seconds have expired. If the error
message is displayed again, the device cannot be used any longer. Make sure the
device can no longer be operated until an authorized service technician conducts
the appropriate tests and repairs.
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