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
.
P
erform
the
source
pretune
correction
routine
documented
in
the
\A
djustments
and
Correction
Constants"
chapter
in
the
HP
8753D
Network
Analyzer
Service
Guide
.
POWER
METER
INVALID
Error
Number
116
The
power
meter
indicates
an
out-of-range
condition.
Check
the
test
setup
.
POWER
METER
NOT
SETTLED
Error
Number
118
Sequential
power
meter
readings
are
not
consistent.
Verify
that
the
equipment
is
set
up
correctly
.
If
so
,
preset the
instrument
and
restart
the
operation.
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 specied available power range. However, these
output powers may be unleveled or unavailable. Check to see if the power
level you set is within specications.Ifitis, refer to the
HP 8753D Network
Analyzer Service Guide
for troubleshooting.
10-18 Error Messages