Warnings And Messages - Datron 4708 User Handbook Manual

Warnings and Messages
High
Pitch
Audible Warning
(a)
Sounds
at
approx 5 pulses per second during
the 3
second
delay
between
selection of
OUTPUT
ON
and
the
High
Voltage
being connected
to
the terminals,
when
the
OUTPUT TERMINAL VOLTAGE WILL EXCEED
llOV
DC
or
75V
RMS
AC.
(b)
Sounds
at
approx
1
second
intervals
with
OUTPUT
ON
in
High
Voltage
State.
(c)
Sounds
for
1
second with blank
FREQUENCY
display
when
frequency auto-ranges
up
or
down.
(d)
Sounds
continuously
when
SAFEtY
message
is
present
on
MODE
display during
self test
Low
Pitch
Audible Warning
(a)
Sounds
when
any message
is
displayed
on
the
MODE/FREQUENCY
display (except recalled messages).
(b)
Sounds
when
any
invalid
bus
command
is
received.
FREQUENCY/MODE
display
Error
1
-
Spec Mode:
[%] - Tolerance exceeds 100%.
:[+Lim, -Lim]
-
The
selected
limit
is
off-scale.
Error
2
- Calilsate
Mode
-
OUTPUT
OFF.
Error
3
-
Caliixate
Mode
-
Incorrect
FUNCTION, OUTPUT
or
FREQUENCY RANGE
for
this calilx'ation
mode.
Error 4
- Calibrate
Mode
-
Correction out of
limits.
Error
5
-
Offset or
-
Temporary
message.
Error
Mode
The
selected deviation
would exceed
the
full
scale value. Activation
has been
prevented.
Error 6
-
Calibute
Mode
-
The
resistance
value
selected
exceeds
the
(Resistance) calibration value.
Error
7
-
lOOV
and
-
Temporary
message.
The
selected
Voltage
lOOOV
Ranges and Frequency
exceeds
the
4708
internal constraints. Activation
has been
prevented.
Error
8
-
Selection error
-
Temporary
message.
The
operation requested
by
the
user
is
not possible
in present
machine
con-
figuration.
Error
9
-
Option not
fitted
-
Temporary
message.
The
requested
range or
function option
is
not
fitted.
Error
EF
-
External frequency
-
The
external
frequency
is
not
present,
machine
will
perform
out of
specification.
Error
OL
-
Voltage Ranges
-
The
output has
bwn
current-limited
by
an overload.
(If in
lOOV
or
lOOOV
range,
OUTPUT
is
automatically switched
OFF).
-
Current Ranges
-
The
terminal voltage has
been compliance-limited
to 3
V. (Load impedance
too high).
FAILl
-
Excessive
internal temperature.
FAIL
7
-
400V
power
supply
fault
- this 'trip'
may
reset
FAIL
2
-
Over-voltage
itself
if
no hardware
fault exists
and
the
Fail
FAIL
3
-
Control data corrupted message
is
temporary.
FAIL
4
-
Precision divider
fault
FAILS
-
38V power
supply
fault
FAILS
-
Safety
circuits
tripped
FAIL
9
-
15V
in-guard
power
supply
fault
FAIL
6
-
Calibration
memcay
sumcheck
non-parity
FAIL
10
-
Model 4600
communication
fault
SAFEtY
- Test
Mode
-
Safety
circuits tested
by
tripping: Press
Reset key
to
continue
test,
running
-
Test
Mode
-
Indicates
test
in progress.
PASS
-Test
Mode -FAIL
6 did not occur during
test
of
calibration
memory
parity,
and
FAIL
2
did not occur during
test
of
over-voltage
thresholds.
Recalled
Messages
ISS
XX.XX
-
Firmware
issue
number
(selected
by
pressing
Error
then -Lim).
Addr
XX
-
IEEE
488 Bus
address as
set
on Address
switch (selected
by
pressing
Error
then
+Lim).
Processor 'Busy'
(Keyboard
Unreceptive)
The 4708
will
not
respond
to
commands
while legend 'B'
is
present
on
the
MODE
and
OUTPUT
displays
except
to
override during
safety delay.
4-19