Passport V™ Service Manual 0070-10-0705 3 - 39
Repair Information Troubleshooting Menus
3.16.2 NIBP Troubleshooting
ECG Channels Checking... 1 Appears when the ECG 
Module is calibrating.
1This is normal operation. 
Turn off ECG module 
calibration and the 
message will be cleared.
Initialization Error 1 During the ECG module 
power-on, as the ECG 
module communication 
stops, system fails to 
communicate with 
module.
1Contact Technical 
Support.
MESSAGE/PROBLEM REASON SOLUTION
MESSAGE/ PROBLEM REASON SOLUTION
NIBP: Self Test Error 1 Failed self-test.
2Sensor or A/D sampling 
may have error.
1Power cycle unit. If 
message reappears, 
contact Technical 
Support.
NIBP: Communication Error 1 NIBP module 
communication error. The 
command can not be sent 
correctly.
1Power cycle unit. If 
message reappears, 
contact Technical 
Support.
NIBP: System Error 1 System error. After start-
up, the inflating pump, 
A/D sampling unit or 
pressure sensor may have 
error or the pointer may 
have error when the 
software is running. 
2Power supply is not stable 
or circuit failure leads to 
voltage error.
1Power cycle unit. If 
message reappears, 
contact Technical 
Support.
NIBP: Cuff Overpressure 1 The hardware 
overpressure limit has 
been exceeded.
2Overpressure. The cuff 
pressure exceeds 297 
mmHg in ADU mode, 
240 mmHg in PED mode 
or 147 mmHg in NEO 
mode. 
1Power cycle unit.If 
message reappears, 
contact Technical 
Support.
NIBP: Pneumatic Leak 1 Leakage. In Pneumatic 
check, air leakage is 
found in hose.
1Change the cuff.
NIBP: Unable to Measure 1 Unable to make 
measurement after three 
automatic retries.
1Check Patient.
2Retry measurement. If 
message reappears, 
power cycle unit. If 
message reappears, 
contact Technical 
Support.
NIBP: Reset Failed 1 Reset failed. 1 Power cycle unit.If 
message reappears, 
contact Technical 
Support.