Specifications

2. FAULT DIAGNOSIS
2.1 List of Unit LEDs
II-3
2. FAULT DIAGNOSIS
2.1 List of Unit LEDs
DCIN
ENC1 ENC2
ST No.
POWER
RUN
CPU-E
STOP
RUN
RIO
ERR1
ERR2
DI-R DI-L
PROG. PORT
DO-L
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
[Explanation of LED functions]
Status
Name Function Color
When normal During error
Correspondence for error
POWER 5VDC output display Green Lit Not lit
24VDC +10%/−15%
Check the input
RUN Operation display Green Lit Not lit
Check the RUN-STOP slide
switch setting
CPU-E CPU error display Red Not lit Lit Refer to section 2.2.2.
RIOERR1
Onboard I/O 1st station
communication alarm
Red Not lit Lit
RIOERR 2
Onboard I/O 2nd station
communication alarm
Red Not lit Lit
Check the station No. setting
rotary switch setting