GE MAC 5000, Field Service Manual

Page: 65 / 160

Revision B 4-21
Troubleshooting: Diagnostic Tests
MAC 5000 resting ECG analysis system
2000657-002
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Battery current
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Battery temperature
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Maximum and minimum battery temperature
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Ambient temperature
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Maximum and minimum ambient temperature
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Current battery charging status
Battery Discharge Test
This test charges the battery to full capacity, if necessary, then monitors
a discharge cycle. Monitored information, written to the floppy disk,
includes:
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Discharge rate (in mAH)
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Battery temperature
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Battery charge status
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Percent of charge remaining
Battery Charge Test
This test completely discharges the battery, if necessary, then monitors
a charge cycle. Monitored information, written to the floppy disk,
includes:
■
Charge rate (in mAH)
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Battery temperature
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Battery charge status
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Percent of charge
Print Discharge Test Results
Print Charge Test Results
Writes the results of the last discharge or charge test to a floppy disk for
later printing to the writer.
Communication Tests
COM Port Loopback Test
The Communications Port Loopback Test sends various ASCII characters
out the COM port’s transmit lines and expects the same character to
return in it’s receive lines.
1. Select COM 1: Base System and press the enter key.
2. Follow the instructions on screen and install loopback jumpers
in the COM 1 port. (Make note of these jumpers as they are the
same for COM 2 Modem Option test.)
While the test is in process, the word Testing appears in the
upper right corner of the screen. Upon completion, the word
Passed or Failed appears, depending on the results.
3. Remove the loopback jumpers when the test is complete.
Follow the same steps for the COM 2 Modem Option test.