Table 5-3: Serviceable Hardware Error Codes - Mallinckrodt NELLCOR NPB-4000 Service Manual

Section 5: Troubleshooting
5.6.2.1 Serviceable Hardware Error Codes
5-4
Listed in Error! Reference source not found. are error codes that correspond to
hardware problems, and the recommended actions to take should such an error
be encountered.

Table 5-3: Serviceable Hardware Error Codes

Hex
Explanation
Code
1 Improper shutdown.
2 NIBP Sensor Error.
• The two pressure
transducers do not
agree.
3 NIBP Pressure Violation
Error.
• Pressure on cuff
could not be
removed by normal
means.
• A fault has been
detected in NIBP
system that could
not be handled by
releasing pressure
by normal means.
• NIBP system has
released pressure
using safety valve.
4 Measured value of
3.3-volt power supply
was low.
5 Measured value of
3.3-volt power supply
was high.
6 Measured value of
12-volt power supply
was low.
7 Measured value of
12-volt power supply
was high.
8 Measured value of
5-volt power supply was
low.
9 Measured value of
5-volt power supply was
high.
Recommended Action
1. Cycle power.
2. If error persists, return
monitor for service.
1. Check for blocked hoses in
pneumatic system.
2. Replace main PCB
1. Cycle power.
2. Check for blocked hoses in
pneumatic system.
3. Replace main PCB.
Note: This error may occur
during a blood pressure
measurement in STAT
mode, if the leg cuff is
used.
1. Check power supply.
2. Replace power supply
assembly.
1. Check power supply.
2. Replace power supply
assembly.
1. Check power supply.
2. Replace power supply
assembly.
1. Check power supply.
2. Replace power supply
assembly.
1. Check power supply.
2. Replace power supply
assembly.
1. Check power supply.
2. Replace power supply
assembly.