1 Troubleshooting
1.3 Checking method and
remedy of trouble
classification B
Alarm
,
Abbr.
Name
Description
Motion
No.
(Note)
The input power voltage drops to a value less
10
UV
UNDER VOLTAGE
than the specification assured value or an
instantaneous power failure occurs for 15 ms or
A
more.
The internal memory for controlling the
control-
12
ME1
MEMORY ERROR 1
ler is not correclty read and written.
(It is checked when the power of the controller
A
is turned on.)
13
EXTERNAL CLOCK
The system clock which is sent from the NC is
ERROR
defective.
A
The 2-port memory for communication which is
15
ME2
MEMORY ERROR 2
used for linkage with the M300 series CNC through
A
the bus does not correctly work.
17
BE
P.C.B
ERROR
Any part on the controlling printed circuit
board does not correctly work.
A
20
NSl
IC MAC007 ERROR
The part ICMACOO7 on the controlling printed cir-
cuit
board does not correctly work.
A
21
NSZ'
NO SIGNAL 2
A signal is not input from the orientation
en-
(SPINDLE
ENS)
coder or the signal is not in the correct level.
A
22
NSS IC MAC012 ERROR
The part IC MAC012 on the controlling printed
circuit board does not correctly works.
A
SPEED CONTROL ERROR
The difference between the referenced speed and
23
OSE
EXCESS
motor speed is 50 rpm or more and it takes for
A
12
set
or more.
24
BRT
B,,,L-,,&
j-a
+%$I
fli@-
current which exceeds the specific value flows
in the main circuit.
A
25
cot
CONVERTER
OVER-
An overcurrent which exceeds the
specifc
value
CURRENT flows in the converter.
A
26
PL
POWER PHASE LACK
One or more of 3 phases is missed in 3-phase
A
power.
I.
/,
'
4
/
;
.,,4
.y
,‘.,_
-<
.’
‘
c-
(’
>i/
‘I
,,
I
;
27
CPUE
CPU ERROR
A division error occurs in CPU operation
be-
(DIVISION ERROR)
cause of incorrect parameters being set.
A
-
31
OS
OVERSPEED
The motor speed exceeds 115% of the maximum speed
A
32
oc
INVERTER OVERCURRENT
An overcurrent which exceeds the specific value
flows in the controller.
A
33
The voltage of the main circuit condenser exceeds
ov
OVER VOLTAGE
the specific value because of regenerative energy
A
in motor deceleration state.
Continued on the next page.
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21 -
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