Mitsubishi Electronics FX1S Manual Do Utilizador

FX1S Series Programmable Controllers

7-2

Fault
ERROR 
LED ON

Remedy
Reset PLC. 
Power 
OFF,ON 
and trigger 
RUN in-
put.

LED OFF

Has the memory cassette been 
installed or removed while the units 
has still been powered?

LED is lit

LED is lit

Power OFF

Discon-
nect earth/
ground ter-
minal

LED is flash-
ing

Check for programming error.  Ensure the earth/
ground cable is correctly rewired.

Power ON

Remedy
Possible program/scan time error. 
Check D8012 for program scan time, 
(units 0.2 msec must be less than 0.2 
sec, i.e data value <2000).

Possible results
D8012 > D8000

POWER

RUN

ERROR

A

A

B

PLC

M/C

PLC

M/C

PLC

M/C

9

9

8

B