Table 11: Error Codes - Nellcor OxiMax N-550B Service Manual

Troubleshooting
50
• displays a red "EEE" in the left numeric display area
• displays a red error code in the left numeric display
Note: Cycling the power clears the displayed error code
Error
Meaning
Code
1 SpO front end RAM error
2
2 SpO front end ROM/code integrity error.
2
3 SpO front end reported a bad CRC
2
4 SpO front end reported FSP message not allowed
2
5 SpO front end reported illegal value sent in FSP messageSpO
2
end
6 SpO front end reports calibration (offset) failure
2
9 SpO front end reported syntax error in FSP message
2
10 -
Over current limit in SpO
11 SpO front end reports incorrect system voltage
2
12 SpO front end reports other hardware problem
2
14 SpO front end reports communication channel overflow
2
16 SpO front end reports watch dog time out
2
17 SpO front end reports that sensor appears defective
2
18 SpO front end reports internal register appears modified from
2
expected value
19
SpO front end reports signal out
2
48 SpO front end reports spurious interrupt
2
49 SpO front end reports internal buffer overflow
2
50 SpO front end reports intermittent error
2
51 SpO front end reports digital communications error
2
52 SpO front end reports warmer error
2
53 Front end data not received
256 SpO2 back end reports beginning of packet missing
257 SpO2 back end reports packet start ID (SID) missing

Table 11: Error Codes

front end has tripped
2
- -
of range
front
2