Error Codes; Table 5-7: Error Codes - Nellcor NPB-190 Service Manual

5.7

ERROR CODES

An error code will be displayed when the NPB-190 detects a non-correctable
failure. When this occurs, the unit will stop monitoring, sound a low priority
alarm that cannot be silenced, clear patient data from the display, and display an
error code. Error codes will be displayed with EEE in the Saturation display and
the number of the code in the Pulse Rate display, i.e., EEE 1. Table 5-7 provides
a complete list of error codes and possible solutions.
Code Meaning
POST failure
1
4 Battery dead
Too many microprocessor resets
5
within a period of time
6 Boot CRC error
7 Error on UIF PCB
11 Flash ROM corruption
76 Error accessing EEPROM
80 Institutional default values lost
and reset to factory default
values
Internal communications error
84

Table 5-7: Error Codes

Possible Solutions
Replace UIF PCB
1. Check the voltage selector
switch.
2. Charge battery for 14 hours
3. Leads of battery reversed;
see paragraph 6.5
4. Replace battery
1. Replace UIF PCB
2. Replace Power Supply
Replace UIF PCB
1. Cycle power to clear error.
2. Check voltage selector
switch for proper setting.
3. Replace UIF PCB
Replace UIF PCB
Replace UIF PCB
Replace UIF PCB
Replace UIF PCB
Section 5: Troubleshooting
5-7