6-9 
 
6.6.12 Module Failures 
Symptoms  Possible Cause  Corrective Action 
Failed to connect the 
external parameter modules 
Module defective  1. Check that the cable between the external converter 
board inside the module and the converter board is 
correctly connected, 
2. Replace the converter board. 
Main unit defective  1. Check that the cable between the main board and 
power management board is correctly connected. 
2. Replace the power management board. 
3. Replace the main board. 
Module can be loaded, but 
"XX communication 
stopped" is reported or some 
parameters cannot be used 
Cable defective inside the 
module 
Check the cables connecting the converter board and 
corresponding parameter module. 
Parameter module defective  Replace the corresponding module. 
Converter board defective 
inside the module 
Replace corresponding converter board. 
 
 
6.6.13 Technical Alarm Messages 
Refer to the Passport 12/Passport 8 Patient Monitor Operator's Manual (PN: 046-004417-00) and cPM 12/cPM 8 
Patient Monitor Operator's Manual (PN: 046-011732-00).