2.4 Protective Functions
2-44
Table 2.4-4
Name Description
LED
monitor
displays
Alarm
output
[30A/B/C]
(Note)
Light alarm
(warning)
The "light-alarm" display is indicated when alarm or warning
matters set as minor troubles occurred. The operation is continued.
Light alarm object
Heat sink overheat(
0h1
), External alarm (
0h2
), Inverter internal
overheat(
0h3
), Braking resistor overheat (
dbh
), Overload of
motor 1 through 4 (
0l1
to
0l4
), Option communications error
(
er4
), Option error (
er5
), RS-485 communications error (COM
port 1)(
er8
), RS-485 communications error (COM port 2) (
erp
),
Speed mismatch or excessive speed deviation (
ere
), Excessive
position deviation (
ero
)*5, PID feedback wire break (
cof
), DC
fan locked (
fal
), Motor overload early warning (
0l
), Heat sink
overheat early warning (
0h
), Lifetime alarm (
lif
), Reference
command loss detected (
ref
), PID alarm (
pid
), Low torque
output (
uTl
), PTC thermistor activated (
pTc
), Inverter life
(cumulative run time) (
rTe
), Inverter life (number of startups)
(
cnT
)
l-al
-
Note: In Alarm output [30A/B/C] column, "Yes*" means that an alarm may not be issued depending upon
function code setting.
*5 Available in inverters having a ROM version 3000 or later.
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