HP 70000 series - Page 331

Hardware
W
arning
Errors
6000
{
6999
the
external power pack is not properly connected
the external power pack is faulty
the HP 70310A precision frequency reference module has faulty hardware
Note
At ambient temperatures below the specied operating range of the module,
the oven may not be able to generate enough power to keep itself at
approximately
85

C.
6016
freq reference
No internal oven/oscillator is present and no external frequency reference is applied.
6017
6214
GHz
error
6018
PGA
gain
sum
high
6019
PGA gain sum low
6802
Invalid cal data
Cause: The EAROM data installed during the manufacturing process may not be valid.
Cure: Return to Hewlett-Packard for servicing.
6805
Firmware Changed
Cause: The HP 70810B lightwave section rmwave version is of a dierent date code than
was installed in the module the last time it was turned on. All optical power calibration data
previously stored by the user in module memory has been lost.
Cure: Perform a calibration on the HP 70810B lightwave section.
6-24 Error Messages