Hardware reference
HARDWARE REFERENCE MANUAL
123
Revision 5.0
Option board or inverter errors
During the Initialization process the RUN indicator will remain OFF. Once
the initialization has been completed correctly, the RUN indicator will be ON
and the ERR indicator OFF. The table below shows the indicator and display
patterns caused by Option Board or Inverter Errors.
Display &
Indicators
Possible Cause(s)
Corrective Action
The Inverter does not power up.
Follow the in
s
tr
u
ction provided in the
MX2-Inverter
us
er'
s
m
a
n
ua
l
s
ection 6-1-4 to tro
ub
le
s
hoot.
The Option Board is not mounted
properly.
Check that the Option Board is mounted
properly and restart the Inverter.
The Option Board connector is
damaged.
Replace the Option Board.
The Inverter RS input is ON.
Switch the Inverter RS input OFF.
The Option Bo
a
rd enco
u
ntered
a
f
a
t
a
l error d
u
ring Oper
a
tion.
Check th
a
t the Option Bo
a
rd i
s
mo
u
nted
properly
a
nd re
s
t
a
rt the Option Bo
a
rd. If
the pro
b
lem per
s
i
s
t
s
, repl
a
ce the Option
Bo
a
rd.
The
us
er progr
a
m re
qu
e
s
ted
a
trip
b
y
s
etting the extern
a
l trip
b
it
of the convention
a
l mod
u
le oper-
a
tion comm
a
nd.
Check
a
nd correct
a
ll item
s
in
a
ccor-
d
a
nce with the
us
er progr
a
m.
The user program requested a
trip by setting the external trip bit
of the conventional module oper-
ation command.
Check and correct all items in accord-
ance with the user program.
The Inverter detected a fatal error
in the operation of the Option
Board.
Check if the option is mounted properly;
Restart the Option Board.
If the problem persists, replace the
Option Board.
RX
TX
ERR
RUN
RX
TX
ERR
RUN
RX
TX
ERR
RUN
RX
TX
ERR
RUN
RX
TX
ERR
RUN
RX
TX
ERR
RUN