Agilent Technologies 8564EC, Service Manual

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Chapter 7 349
General Troubleshooting
Error Messages
RAM Check Error (721)
721 AMPC RAM
Checksum error of the ampcor function correction
data.
System Errors (750 to 759)
These errors often require troubleshooting the A2
controller and A3 interface assemblies.
750 SYSTEM
Hardware/firmware interaction, zero divide. Check for
other errors.
751 SYSTEM
Hardware/firmware interaction, floating point overflow.
Check for other errors.
752 SYSTEM
Hardware/firmware interaction, floating point
underflow. Check for other errors.
753 SYSTEM
Hardware/firmware interaction, log error. Check for
other errors.
754 SYSTEM
Hardware/firmware interaction, integer overflow.
Check for other errors.
755 SYSTEM
Hardware/firmware interaction, square root error.
Check for other errors.
756 SYSTEM
Hardware/firmware interaction, triple overflow. Check
for other errors.
757 SYSTEM
Hardware/firmware interaction, BCD overflow. Check
for other errors.
758 SYSTEM
Unknown system error.
759 SYSTEM
Hardware/firmware interaction. Code invoked for
wrong instrument.
Fast ADC Error (760)
This error applies only to EC-series instruments and to
E-series instruments with fast ADC (Option 007).
760 NO FADC
The FADC board did not respond properly to
initialization commands.
Option Module Errors (800 to 899)
These error codes are reserved for option modules, such
as the 85629 test and adjustment module and the
85620A mass memory module. Refer to the option
module manual for a listing of error messages.