M4735A Service Manual 2-25
Performance Verification Tests
2
Extended Self Test
The Extended Self Test checks that all internal processors are operating and
communicating with each other.
If all results are as described, the unit passes this test. Return to the main
Diagnostic Test menu by pressing .
If there is any failure, begin troubleshooting and repairing the unit as needed.
See "Troubleshooting" on page 3-1, and Table 3-6 "Extended Self Test
Failures" on page 3-18.
NOTE Be sure the printer has paper and that the printer door is closed. No paper or
an open door will generate an erroneous Fail in the Timebase test.
Make sure that no one touches the unit during the self test as that can generate
an erroneous Not Tested or Fail message.
1. Connect the test load to the pads cable.
2. Access the Diagnostic Test menu.
See "Diagnostic Mode" on page 2-12.
3. Run the test.
Select Extended Self Test and press . The printout should appear
similar to Figure 2-3.
Figure 2-3 Sample Extended Self Test Printout
MAIN
ENTER
M4735A EXTENDED SELF TEST 18:48 8/29/2000
RAM: Pass
ROM: Pass
System: Pass
Data Card: Not Tested
CODEC: Pass
IRDA: Not Tested
Timebase: Pass
Defib: Pass
FE: Pass
SpO2: Pass
Pacer: Pass
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