Error Indication - Philips PM 6303 Operating Manual

E 3-6
in
2
s
ion 20 so
loon 200 soo ikn 2k
5 k iokn
Zx
Fig.
6 Measurement
voltage
and
current
at
an
inductive
CUT (G>
10,
without
Rp, with
Rp)
3.4.6. Error indication
Several
functions and
logical
states of the instrument
are
continuously
internally
checked
during normal
operation.
Possible errors are indicated
by EO
...
E3 on
the
display.
The meaning
of the
error codes are
given
in
the
following
table
Error code
location of
malfunction
EO RAM,
microprocessor
El
progr. amplifier,
level
detector
E2
counter
of
ADC,
integrator
control section
E3
reference measurement
circuitry
A
if
an
error
code
is
displayed
the
instrument should be switched
off.
If after
switching
on
the
error
code
is
indicated again please
contact the
Philips service organisation.
After switching
power
off
a
time
interval of
at least
5
s
should
pass
by
-allowing the capacitors
of
the
power
supply
to discharge- before
the device
is
switched
on
again.
This procedure
is
necessary
to
set
the
internal logic circuitry to
its
correct
initial
condition.