FX1S Series Programmable Controllers
Diagnostics 7
7-2
7.2
ERROR LED ON (CPU ERROR)
Table 7.2: Error LED Checks
Fault
ERROR
LED ON
Remedy
Reset PLC.
Turn power
OFF, then
ON and
trigger RUN
input.
Possible
results
LED OFF
Has the memory cassette been
installed or removed while the unit
was still powered On?
LED is lit
Remedy
Possible
results
LED is lit
Power OFF
Disconnect
earth/ground
terminal
LED is
flashing
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 ms 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
Содержание FX1S-10MR-DS
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