NELLCOR PURITAN BENNETT Symphony N-3000 Service Manual page 89

Table A-4: N-3000 Internally Corrected Error Codes - Continued
Error Code Explanation
154 UIF RTXC executive function failed.
156 UIF stack communication bus common code failed.
157 UIF state machine illegal transition or unknown state.
180 External Port Service internal error (RS232 handler).
184 UIF Data stream or Reply timeout.
225 SpO can't allocate a resource.
2
226 SpO stack overflow.
2
250 SpO general watchdog reset.
2
252 SpO memory corruption.
2
253 SpO unexpected interrupt.
2
254 SpO RTXC executive function failed.
2
256 SpO communication bus common code failed.
2
257 SpO state machine illegal transition or unknown state.
2
278 SpO cannot get power-on defaults from EEPROM or they are
2
invalid (bad values or low-limit above high-limit).
283 Operating mode changed during internal reset.
285 SpO Controller PCB failure.
2
286 SpO PCB failure.
2
287 SpO detected failure of other system component (UIF PCB,
2
UIF software, or communication problem).
288 SpO module failure (cannot determine whether SpO
2
Controller PCB or SpO PCB).
2
Appendix
2
A-5