Welch-allyn LC101 CO2 Module - User Manual Bedienungsanleitung Seite 70

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Seitenansicht 69
LC101 CO
2
Module OEM Implementation Manual
Page 70 Confidential Welch Allyn OEM Technologies
29, Unable to Perform Calibration, Data Error
The acquired CO
2
data is invalid or out of range for the calibration. The Module will abort the
calibration. This error also occurs when calibration is aborted due to any other non-fatal error.
2A, Bad Calibration CRC
The system EEPROM CRC is not valid after being updated with the new constants.
Sensor Faults
CO
2
sensor faults are conditions that result in shutting down the sensor. A CO
2
sensor shutdown
turns off the lamp and the pump.
To clear a sensor fault, perform a software reset followed by a new host command.
If the Module
does not accept the command, a hard reset is required.
Sensor faults are listed in the following table.
51, CO
2
Sensor Manufacturer Code Mismatch
Sensor manufacturer code stored in sensor EEPROM does not match the host monitor
manufacturer code.
•Verify the data in the EEPROM location.
Status
Message Code
(hex)
Definition Possible Causes
51 Customer code mismatch Incorrect EEPROM data or bad sensor EEPROM
57 CO
2
sensor not found Main Board not acknowledging the sensor
loose or faulty sensor connection
60 CO
2
sensor EEPROM error
in revision #
incompatible/invalid sensor EEPROM revision #
•faulty sensor EEPROM
65 CO
2
sensor EEPROM error
in read or write operation
•invalid read/write to sensor EEPROM;
•faulty sensor EEPROM
66 CO
2
sensor EEPROM error
in CCITT/CRC code
•invalid sensor EEPROM CCITT/CRC code;
•faulty sensor EEPROM
70 CO
2
sensor temperature
too high
sensor exposure to excessive heat source;
•faulty sensor
71 CO
2
sensor temperature
too low
sensor exposure to excessive cold source;
•faulty sensor
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