
C-8
Alarm message A B L Cause Measure
CO2
BAROMETRIC
TOO HIGH
No No 2 The barometric pressure is
too high.
CO2
BAROMETRIC
TOO LOW
No No 2 The barometric pressure is
too low.
CO2
HARDWARE
ERROR
No No 1 AD sampling 2.5V error
CO2
HARDWARE
ERROR
No No 1 The pump malfunctions.
CO2
HARDWARE
ERROR
No No 1 The 3-way stopcock
malfunctions.
CO2 SAMPLE
LINE
ABNORMAL
No No 2 The sample line is
abnormal or blocked.
Make sure the airway is not
blocked. If the problem still
exists, contact our company
for repair.
CO2
CALIBRATE
ZERO ERROR
No No 1 Zeroing failure. Restart the monitor. If the
problem still exists, contact
our company for repair.
CO2 USER
CALIBRATE
FAIL
No No 2 User calibration failure. Make sure the preset
calibration gas concentration
consists with the input
calibration gas. If the
problem remains, contact our
company for repair.
CO2 SYSTEM
ERROR
No No 1 EEPROM reading address
error.
CO2 SYSTEM
ERROR
No No 1 EEPROM reading length
error.
CO2 SYSTEM
ERROR
No No 1 EEPROM response to
component error.
CO2 SYSTEM
ERROR
No No 1 EEPROM checksum error.
CO2 SYSTEM
ERROR
No No 1 External AD sample line
error.
CO2 SYSTEM
ERROR
No No 1 Internal AD sample line
error.
CO2 SYSTEM
ERROR
No No 1 Self-test error
Contact our company for
repair.
CO2 COMM
ERROR
Yes No 1 CO2 module
communication fault.
Restart the monitor. If the
problem still exists, contact
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