Agilent Technologies 89410A Service Manual page 60

Troubleshooting the Analyzer
To perform self tests
Failing Self Test or Message Displayed
Calibration
Calibration information:
Channel number fails pad test
Calibration
Calibration information:
Calibrator way out of range
Calibration
Calibration information:
Any of the following:
Source fails level test
Calibrator level message
Calibrator gain reset to 1.0
Auto-zero: can't compensate CH1 DC offset.
Can't compensate CH1 DC offset.
Calibration
Calibration information:
Any of the following:
Auto-zero: can't compensate CH2 DC offset.
Can't compensate CH2 DC offset.
Calibration
Calibration information:
Any of the following:
Failure in partial trigger counter
Partial trigger cal: can't trigger!
Bad value from partial sample counter
Exceeded trigger jitter limits
Cal HW Timeout in readTrigPoints()
Cal HW Timeout in getTimeAvgData()
Failed to trigger
Calibration
Calibration information:
Hardware timeout occurred during
calibration while waiting for sample RAM to
acquire data.
Calibration
Calibration information:
Use the information to help isolate the
failure
All self tests and calibration
1-42
Status Probable Faulty
Assembly
FAIL A10 Analog Input, channel
number
FAIL
FAIL or A35 Analog Source
ABORT A10 Analog Input
A21 A/D Converter
A30 Digital Source
FAIL or A10 Analog Input, channel 2
ABORT
A21 A/D Converter,
channel 2
FAIL or A36 Trigger
ABORT A10 Analog Input
A55/A56 Sample RAM
A50 Digital Filter
A30 Digital Source
ABORT A36 Trigger
A10 Analog Input
FAIL or
ABORT
PASS
Next Test
To adjust calibrator, page 2-37
Source and calibrator out,
page 1-62
Two channel analyzer,page 1-75
Trigger, page 1-83
Check cables to A36 Trigger
Trigger, page 1-83
Performance test, page 1-58
Step 4