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Model 5344S
Operation and Programming
3-119.
ERRORS AND END OF SWEEP (-EOS-—) MESSAGES
3-120.
When an operational error is detected by the 5344$, such as an incorrect parameter, an
error message is displayed on the 5344A front panel. The error message consists of ''Err" followed
by a two-digit error number. Table 3-6 describes each error condition and the probable causes
for it.
Table 3-6. ERROR Messages
_
Err 01.
Invalid frequency measurement on 5344S.
a.
Signal source output not connected to counter input.
b.
Source power level too low.
c.
Source RF OUT turned off.
d. - Source RF BLANKING turned on when using Lock/Roll mode on 5344S.
e.
Signal source frequency < 500 MHz or > 18 GHz (5342A) or 26.5 GHz (5343A).
f.
Signal source sweeping or being manually tuned too fast.
g.
Signal source internal square-wave modulation turned on.
h.
Cables are defective or not usable over desired frequency range.
Err.
02.
Markers too close to each other or to the STOP frequency.
Solution:
Move markers or increase sweep time.
Err. 03.
STOP frequency less than START frequency.
Err 04.
STOP frequency - START frequency greater than 40 MHz.
Solution: Reduce sweep span.
Err
05.
Signal source FM sensitivity less than 1 MHz/volt.
a.
Sensitivity really is less than 1 MHz/volt.
b.
5344A FM OUT not connected to signal source FM INPUT.
c.
For HP 86200 plug-ins: PL-NORM-FM switch in NORM position. (Should be in PL
position).
d.
For HP 83500 plug-ins: CW filter enabled.
e.
5344A A6 (Main Loop Board) fuse blown.
Err 06.
Signal source FM sensitivity greater than 100 MHz/volt.
Err 07.
Sweep too wide for signal source sensitivity.
Solution:
Reduce sweep width.
increase source FM sensitivity.
Err 08.
Sweep cannot cross the frequencies of 500, 650 or 800 MHz.
Solution:
Change sweep parameters.
Err
09.
Invalid value calculated for Frequency Multiplier in Subharmonic Locking Mode.
a.
Sweeper is not tuned dose enough to desired frequency to allow reliable automatic
determination of harmonic number.
Solution:
Tune source closer to correct frequency.
Use AUTO LOCK (System Controller).
b.
The 5344S has determined the harmonic number to be greater than four.
Solution:
Enter the Frequency Multiplier manually.
3-25
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