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LED States
Inverters (FR-E5NC)
Master
unit
Station 1
Station 2
"
L. RUN
L. RUN
"
SD
SD
"
RD
RD
L. ERR $
L. ERR
"
TIME
"
L. RUN
L. RUN
"
LINE
"
SD
SD
or
"
RD
RD
TIME $
L. ERR $
L. ERR
"
LINE
"
L. RUN
L. RUN
"
SD
SD
"
RD
RD
L. ERR $
L. ERR $
Station 3
"
"
L. RUN
Since the L.ERR LED of the FR-E5NC on station
"
"
SD
2 is on, the FR-E5NC itself on station 2 is
"
"
RD
affected by noise. (L.RUN may go off.)
"
L. ERR $
"
"
L. RUN
Since the L.ERR LEDs of the FR-E5NCs on
"
"
SD
station 2 and later are on, the transmission cable
"
"
RD
between the inverters of stations 2 and 3 is
"
"
L. ERR
affected by noise. (L.RUN may go off.)
"
"
L. RUN
"
"
SD
Terminal resistors are left unconnected. (L.RUN
"
"
RD
may go off.)
"
L. ERR
HOW TO CHECK FOR ERROR USING THE LEDS
Cause
"
: On, $: Off, #: Flicker,
52
Corrective Action
Securely connect FG of each
inverter and master unit to ground.
Check that the transmission cable
is connected to SLD. Also run it as
far away as possible from the
power lines. (100mm or more)
Check that the terminal resistors
are connected.
: Any of on, flicker or off
*
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