Datex-Ohmeda Aestiva 7900 SmartVent Technical Reference Manual page 122

5 Troubleshooting
Error code (hex) Description of error logged
1005B Minimum system shutdown:
+15V analog out-of-range
1005C Minimum system shutdown:
-15V analog out-of-range
1005D, 1005E External communications error.
1005F Unexpected reset in boot code. This can
occur if the system switch is cycled (On-
Off-On) too fast.
10060 Stuck in boot code
10061 Minimum system monitoring caused by
incorrect feed back on flow valve current.
20001 Possible CPU board A/D converter
problem.
20002-2000C Software upset
2000D A switch for EEPROM region was requested
but there are no more areas to switch to
(EEPROM problem).
2000E-2000F Software upset
20010 Software upset
9999900 Bootup RAM failure
9999901- CPU upset
9999918
9999919- Software upset
999991F
9999920 Flash CRC test failed
9999921 Software download failed
9999922 Stuck in boot code.
9999923 Unexpected interrupt or jumped into boot
code unexpectedly. Cycling power too fast
can cause this.
10010100- Serial port error:
10010211 100 = parity
203 = baud rate
204 = not initialized
207 = out of sync
5-6
Service action
Refer to section 5.3, Alarm messages.
Refer to section 5.3, Alarm messages.
Reboot system. If problem continues:
1. Make sure any external device is correctly connected.
2. Make sure the correct communications protocol is selected.
3. Replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues:
1. Check power supply voltages.
2. Replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues:
1. Check Total System On Time on the System Error Log Screen.
If unusually large, upgrade software to Rev 3.5 or greater.
2. Replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Try to load the software again. Reboot system. If problem
continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system. If problem continues, replace CPU board.
Reboot system, if problem continues:
1. Make sure any external device is correctly connected.
2. Make sure the correct communications protocol is selected.
3. Do the serial ports test (Section 4b.4.7).
4. Replace CPU board.
05/04 1006-0453-000