Справочник Пользователя для Mitsubishi Electronics QSPCU
12
TROUBLESHOOTING
12.2 Troubleshooting Flowchart
12.2.1 Troubleshooting category flow
12
- 2
9
EM
C AN
D
L
O
W
V
O
LT
AG
E
DI
RE
C
T
IV
E
S
10
LO
A
D
ING A
ND
INS
TA
LLA
T
ION
11
M
A
INT
E
NANCE
AND
IN
SP
ECT
IO
N
12
T
R
O
U
BL
ES
HO
O
T
IN
G
A
PPE
NDICES
INDEX
12.2 Troubleshooting Flowchart
The trouble investigating methods and remedies of the troubles are described below.
12.2.1 Troubleshooting category flow
This section classifies the error by definition and describes them.
Figure 12.1 Troubleshooting flowchart
The CPU cannot communicate
with the GX Developer
with the GX Developer
Flowchart for when the CPU cannot
communicate with the GX Developer
communicate with the GX Developer
Error-occurrence description
"POWER" LED off
"RUN" LED off
"RUN" LED flashing
"ALIVE" LED off
When the "ALIVE" LED does not come on or is off
"ERR." LED on/flashing
ERR terminal turned off (opened).
When the "USER" LED is on
"USER" LED on
When the "BAT. " LED is on
"BAT. " LED on
Flowchart for when the "POWER" LED turns off
Flowchart for when the ERR terminal
(negative logic) is off (opened)
(negative logic) is off (opened)
Flowchart for when the "RUN" LED turns off
Flowchart for when the "ERR." LED turns on or
flashes
flashes
Unable to read a program
Unable to write a program
Flowchart for when a program cannot be read
Flowchart for when a program cannot be written