NEC SL1000 Programming Manual page 518

SL1000
Alarm
Type
No.
3 2
Program
90
2-498
Re-
Name Content of Alarm
port
0 Connection The error occurred
fault be- when communicat-
tween CPU ing with the
and other package. When the
PKGs. package is broken, it
recognizes it as a
communication fault.
Cause Action
1 The unit is 1 Please insert
not com- the unit firmly.
pletely
2 The power-
inserted.
supply
2 The power- voltage must
supply use another
voltage of power supply
the system when is in the
is outside range of rat-
ratings. ings or
measuring
3 The equip-
with the volt-
ment that
meter, and
generates
deviating
the noise in
from the
the same
rated range.
power sup-
ply system 3 Please use
as the the power
power sup- supply be-
ply origin of sides the
the system equipment
is con- with the pos-
nected, sibility of the
and it mal- noise source.
functions
4 Please sepa-
because of
rate as much
the power
as possible
supply
and use a
noise.
main device
4 The equip- from the
ment to equipment by
which it is which you
adjacent to seem may
of a main generate the
device, and radiation
has put out noise.
the radia-
5 Please
tion noise
ground the
exists, and
chassis
it malfunc-
correctly.
tions
because of
the radia-
tion noise.
5 The chas-
sis is not
properly
grounded.
Program 90 : Maintenance Program
Issue 0.1
Alarm
Sta-
Recovery
tus
When unit ERR
is con- REC
firmed, the
error is
recovered.