Every Twenty-Four (24) Months; Every Forty-Eight (48) Months - GE Datex-Ohmeda Aisys Carestation Reference Manual

6.2.2 Every twenty-
four (24) months
Parts Replacement
6.2.3 Every forty-
eight (48) months
Parts Replacement
M1046983 04/08
12. Perform the following diagnostics using the Compact Flash Special Functions.
• Display Diagnostics (TRM - Section 8.3.1).
13. Perform the following diagnostics using the PC Service Application.
• Vaporizer Test with a Test Cassette inserted (TRM - Section 12.10.2).
• MOPV pressure relief valve test (TRM - Section 6.4).
• Pressure Limit Circuit test (TRM - Section 6.5).
• Adjust Drive Gas Regulator (TRM - Section 5.3).
• eVap Therapy Cassette Leak Test (TRM - Section 7.11).
14. From the Service Calibration menu (TRM - Section 4.5),
perform the following (refer to TRM - Section 5.4 for details):
• User Calibration
• Manifold P Span
• Inspiratory flow zero
• Inspiratory flow valve
• Bleed resistor
• Paw Span
• Zero Gas Transducers
15. From the Service Log menu (TRM - Section 4.4.2), perform the following:
• Access the Error History log. If any error codes have been logged, follow the
appropriate troubleshooting procedures. Clear the error log.
16. Perform the system "Checkout" (TRM - Section 3.2).
17. Perform the "Low P Leak" test (TRM - Section 3.3.4).
18. Electrical safety tests (TRM - Section 3.13).
In addition to the 12-month requirements, replace the following parts every 24
months. All parts should be replaced before performing the checks, tests, and
calibrations.
Refer to
TRM - Section 6.3; perform the following:
Replace the free breathing flapper valve (Stock Number 0211-1454-100).
Replace the free breathing valve o-ring (Stock Number 1503-3208-000).
In addition to the 24-month requirements, replace the following parts every 48
months. All parts should be replaced before performing the checks, tests, and
calibrations.
Refer to
TRM - Section 9.11.2; perform the following:
Replace the Display Unit battery (Stock Number 1009-5800-000).
Refer to
TRM - Section 9.12.4; perform the following step:
Replace the system batteries* (Stock Number 1011-3557-000).
*Note: Refer to the "Battery capacity test" in TRM - Section 6.10.
6 Installation and Maintenance
6-5