HP 70000 series, User Manual

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Hardware Broken Errors 7000 { 7999
7035
Dist amp B error
Either the input to the HP 70310A precision frequency reference Distribution Amplier \B"
board assembly is beyond the specied operating range , or a hardware failure exists . The most
probable causes are either: (a) one or more outputs are unleveled due to faulty HP 70310A
precision frequency reference hardware , or (b) an input that is too low in power .
7036
HP-MSIB error
7041
FFS won't tune low
Fractional frequency source cannot tune low
Cause: The frequency synthesizer will not acquire lock at the lowest end of its operating range .
This error will only occur on power up of the system, or when the TEST command is invoked
from the front panel or remotely .
Cure: If an external frequency reference is being used, its accuracy should be veried.
If the reference is good, there is a hardware failure . The module must be returned to
Hewlett-P ackard for servicing.
7042
FFS won't tune high
Fractional frequency source cannot tune high
Cause: The frequency synthesizer will not acquire lock at the highest end of its operating
range . This error will only occur on power up , or when the TEST command is invoked, either
remotely or from the front panel.
Cure: If an external frequency reference is being used, its accuracy should be veried.
If the reference is good, there is a hardware failure . The module must be returned to
Hewlett-P ackard for servicing.
7043
Freq board adjust
Frequency-board adjust
Cause: The Frequency control board is out of calibration. 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.
Error Messages 6-31