Error Codes; Table 5-7: Error Codes - Mallinckrodt NELLCOR NPB-195 Service Manual

5.7

ERROR CODES

An error code is displayed when the NPB-195 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.
Table 5-7 provides a complete list of error codes and possible solutions.
Code Meaning
1 POST failure
4 Battery dead
5 Too many microprocessor resets
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
82 Time clock lost
84 Internal communications error

Table 5-7: Error Codes

Replace UIF PCB
1. Check the voltage selector
switch.
2. Charge battery for 14 hours
3. Leads of battery reversed
(see paragraph 6.6)
4. Replace battery
1. Cycle power
2. Replace UIF PCB if code 5
repeatedly occurs
3. 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
1. Cycle power
2. Replace UIF PCB if code 80
repeatedly occurs
1. Reset time clock
2. Battery power was lost;
check the battery
3. Replace the Power Supply
Replace UIF PCB
Section 5: Troubleshooting
Possible Solutions
5-7