6-19
Error Messages
Error Messages in Alphabetical Order
PLOT ABORTED
Error Number
27
When you press the key, the analyzer aborts the plot in progress.
PLOTTER: not on, not connect, wrong addrs
Error Number
26
The plotter does not respond to control. Verify power to the plotter, and check
the GPIB connection between the analyzer and the plotter. Ensure that the
plotter address recognized by the analyzer matches the GPIB address set on the
plotter itself.
PLOTTER NOT READY-PINCH WHEELS UP
Error Number
28
The plotter pinch wheels clamp the paper in place. If you raise the pinch wheels,
the plotter indicates a “not ready” status on the bus.
POSSIBLE FALSE LOCK
Error Number
6
Phase lock has been achieved, but the source may be phase locked to the wrong
harmonic of the synthesizer. Perform the source pretune correction routine
documented in the “Adjustments and Correction Constants” chapter in the
service guide.
POWER SUPPLY HOT!
Error Number
21
The temperature sensors on the A8 post-regulator assembly have detected an
over-temperature condition. The power supplies regulated on the post-regulator
have been shut down.
POWER SUPPLY SHUT DOWN!
Error Number
22
One or more supplies on the A8 post-regulator assembly have been shut down
due to an over-current, over-voltage, or under-voltage condition.
POWER UNLEVELED
Error Number
179
There is either a hardware failure in the source or you have attempted to set the
power level too high. The analyzer allows the output power to be set higher or
lower than the specified available power range. However, these output powers
may be unleveled or unavailable. Check to see if the power level you set is
within specifications. If it is, refer to the service guide for troubleshooting.
PRESS [MENU], SELECT CW (IF) FREQ, THEN SWEPT LO
Error Number
161
When you are sweeping the RF and LO, the IF must be fixed.
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