Agilent Technologies 89410A Service Manual page 72

Troubleshooting the Analyzer
To troubleshoot intermittent failures
failure.See ''Fault Log Messages'' on
descriptions of each fault log message.
Failing Message Displayed
System Error
System Error during Calibration
Internal Disk Trk0 Failure
NVRAM or Battery Failure
Floppy Controller Timeout
Input Tripped
Source Tripped
Real Time Clock Timeout
CPU Failure
CPU Board Bus Error
Memory Board Bus Error
Memory Board Failure
Display/DSP Board Bus Error
DSP Failure
Display Failure
Digital Source Board Bus Error
Digital Source Board Failure
Internal Control Path 3 Failure
Trigger Board Failure
Sample/Capture RAM Board Bus Error
Sample/Capture RAM Board Failure
Pass Thru Board Bus Error
Pass Thru Board Failure
Digital Filter Board Bus Error
Digital Filter Board Failure
1-54
page 7-9for detailed
Probable Faulty
Assembly
A40 CPU
A47 DSP/Display
Controller
A42 Memory
A30 Digital Source
A50 Digital Filter
A43 Expanded Memory
A71 Pass Through
A101 Disk Drive
A42 Memory
Disk drive cable
memory battery
A42 Memory
User over-voltage
connected to input
A10 Input
User over-voltage
connected to source
A35 Analog Source
A42 Memory
A40 CPU
A42 Memory
A47 DSP/Display
Controller
A30 Digital Source
A35 Analog Source
A36 Trigger
A30 Digital Source
A36 Trigger
A35 Analog Source
A30 Digital Source
A55/A56 Sample RAM
A71 Pass Through
A50 Digital Filter
Next Test
Initial verification,
page 1-10
Disk drive, page 1-88-
Memory battery,
page 1-93-
Front-end control,
page 1-60
Front-end control,
page 1-60