China Electronics Technology Instruments AV3672 Series, User Manual

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10 Fault Diagnoses and Repair
10.3 Error Information
301
kit matching with the selected measurement type in the current calibration set.
646 Error
The calibration set is not loaded and the version is too new.
The new calibration file is used in the old software. The version is not compatible.
772 Error
The DSP board drive program does not work. Check the hardware. Use
simulation data in the software.
Communication between the network analyzer and DSP board fails. The hardware or
drive program may be faulty.
773 Error The serial bus of the instrument does not work properly. The serial EEPROM of the
instrument may be all “1” or “0”. This may be caused by hardware problems.
774 Error Intermediate frequency overload.
848 Error Locking failure <x>.
The source phase can't be locked properly. This may be caused by hardware failure,
poor calibration or data damage in serial EEPROM.
849 Error
Phase locking failure <x>.
850 Error
Unknown hardware error.
The communication with DSP fails as a result of hardware problems.
855 Error The source amplitude is not stabilized.
The source amplitude cannot be properly stabilized at the required power. The
indicated power is not accurate.
856 Error The LO amplitude is not stabilized.
859 Error YIG calibration fails.
The internal auto-calibration tuning of the YIG oscillator fails.
861 Error The simulation slope calibration fails.
The internal simulation slope calibration fails.
865 Error
EEPROM writing fails.
The storage of calibration data in EEPROM fails. This may be caused by hardware
failure.
867 Error
Try to write the input or read-only I/O port.
Try to write one input or read-only I/O port.
868 Error Try to read the input or write-only I/O port.
Try to read the input or write-only I/O port
1025 Error The instrument cannot be shut down normally. The program is not stable.
Restart the instrument.
This is displayed when the vector network program crashes. If this message continues
to appear, please consult the service center.
1026 Error
The limit segment type is wrong.
Three limit segment types are provided: OFF. MAX and MIN.
1027 Warning
The group delay format must not be used in the CW or power sweep mode.
The group delay format must not be used in the single-frequency sweep mode;
otherwise, invalid data will be generated.
1028 Warning The limit line test fails.
The limit line test fails.
1029 Prompt The limit line test is successful.
The limit line test is successful.
1030 Warning Exceed the maximum number of tests.
At most 512 measurements can be created.
1031 Error
An error occurs inside the analyzer. An error occurs when new measurement is
added.
If this message continues to appear, please consult the service center.