Datex-Ohmeda 7900 Service Manual page 66

4/Tests and Troubleshooting
Error Code Description of error logged
10031 Minimum system monitoring
caused by flow sensor EEPROM
failure
10032 Minimum system monitoring
caused by DCGO (French)
10035 Non-volatile memory EEPROM
data out of range
10036 Non-volatile memory EEPROM
region protected value error
10038 1 of 3 safety relevant parameter
areas has difference in SRC tripli-
cate storage (external RAM prob-
lem)
10039 All 3 safety relevant parameter
areas are different in SRC storage
(external RAM problem)
1003A There are no more EEPROM
areas to switch to (EEPROM prob-
lem)
1003D Minimum system monitoring
caused by system parameter fail-
ure (external RAM problem)
1003E Minimum system monitoring
caused by manifold pressure sen-
sor failure
10042 The system clock has been repro-
grammed (CPU timer problem)
10045 Sustained airway pressure hold-
ing for more than 10 seconds
10046 Minimum system shutdown low
battery, less than 11.35V while
system is running on battery
4-20 1503-0151-000
Service Action
1. Refer to Section 4 Display A/D Channels,
Test Flow Sensors. Replace faulty flow sen-
sors
2. Check cable connections at SIB and the
SIB to 7900 cable
3. Replace the SIB
4. Replace the CPU board
1. System has DCGO in aux..position but
language not set to French
2. Check Discrete I/O Signal menu for sta-
tus
3. Check SIB cables
4. Replace CPU board
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
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
Reboot the system, if problem continues
replace the CPU board
Reboot the system, if problem continues
replace the CPU board
No Service Action Required
1. Charge the battery
2. If the unit has been plugged in for 12
hours and the problem continues, replace
battery
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