HP 70000 series, User Manual

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Hardware Broken Errors 7000 { 7999
7044
YTO tuning range
YIG-tuned oscillator tuning range
Cause: The YIG oscillator is not able to be tuned over the necessary range . This error will only
occur on power up of the system, or when the TEST command is invoked, either from the
front panel or remotely .
Cure: Return to Hewlett-P ackard for servicing.
7045
10 MHz out error
The HP 70310A precision frequency reference 10 MHz OUT signal is absent or too low . The
most probable cause is faulty HP 70310A precision frequency reference hardware .
7046
Illegal bandslct cde
Illegal band-select code
Cause: The Internal/External Frequency reference switch was set to an illegal position
Cure: Please document all steps taken that led to this error condition and contact your HP
representative .
7047
RAM failure
Cause: The RAM self test detected a failure in the system RAM.
Cure: Return to Hewlett-P ackard for servicing.
7048
FFS won't unlock
Cause: The module self test tunes the synthesizer to a frequency outside it's operating range
to verify the lock detector is operating properly . The synthesizer never indicated an unlock
condition.
Cure: Return to Hewlett-P ackard for servicing.
7050
Hardware config fail
Cause: On power up of the system a test of the hardware is made to verify the hardware
matches the model revision (\A" or \B"). If this test is not conclusive , this error will occur .
Cure: If an external frequency reference is being used, verify the proper accuracy . Return to
Hewlett-P ackard for servicing.
6-32 Error Messages