Datex-Ohmeda 7900 Service Manual page 68

4/Tests and Troubleshooting
Error Code Description of error logged
10058 Minimum system shutdown
V_AUX test failed
10059 Minimum system shutdown exter-
nal reference voltage failed
1005A Minimum system shutdown bootup
memory failure
2000D A switch for EEPROM region was
requested but there are no more
areas to switch to (EEPROM prob-
lem)
4-22 1503-0151-000
Service Action
1. Reboot the system, if problem continues
measure V_AUX. J3 pin 5 and pin 6. If out
of spec disconnect CPU board, measure
again. If within spec, continue.
Range is +4.988 to +6.09 vdc.
2. Replace the CPU board
3. Replace PSB
Reboot the system, if problem continues
replace the CPU board
Reboot the system, if problem continues
replace the CPU board
Reboot the system, if problem continues
replace the CPU board
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