Mindray PM-9000

Appendices
20-36
C.2.13 Welch Allyn CO
2
Module Alarm Messages
Alarm message A B L Cause Measure
CO2 SENSOR OFF No Yes 3 The mainstream
sensor is not
properly
connected or is
disconnected.
Make sure the sensor is properly
connected.
CO2 SIGNAL LOW No No 3 The CO
2
signal is
weak.
CO2 SIGNAL TOO LOW No No 3 The CO
2
signal is
too weak.
Check for leaks in the airway.
Check if the airway is clogged.
Check if the water trap is too
old. If all the above problems are
eliminated but the problem still
exists, replace with a new CO
2
tube or water trap. If the problem
remains, contact our company
for repair.
CO2 BAROMETRIC TOO
LARGE
No No 2
CO2 PNEUMATIC LEAK No No 2
CO2 SIGNAL NOISY No No 3
CO2 SIGNAL SATURATE No No 3
CO2 CALCULATION ERR No No 1
CO2 SENSOR FAULT No No 1
CO2 SENSOR TEMP HIGH No No 1
CO
2
module fault Contact our company for repair.
CO2 SENSOR TEMP LOW No No 1
CO2 WATCHDOG TIMEOUT Yes No 1
CO2 SYSTEM ROM ERR 1 Yes No 1
CO2 FLASH CRC ERR Yes No 1
CO2 INT COMM ERR Yes No 1
CO2 EXT RAM ERR Yes No 1
CO2 INT RAM ERR Yes No 1
CO2 FLASH CHECK ERR Yes No 1
CO2 STACK OVER Yes No 1
CO2 PUMP FAULT No No 1
CO2 REVERSE FLOW No No 1
CO2 FORWARD FLOW No No 1
CO2 MALFUNCTION No No 1
CO2 BAROMETRIC HIGH No No 1
CO2 BAROMETRIC LOW No No 1
CO
2
module fault Contact our company for repair.