Toshiba Vm Series Instruction Manual page 83

The green light indicates normal condition while the red light indicates an abnormal condition
in principle. The light-off indicates that there is nothing applicable. No green light turned on
indicates an error regardless of whether a red light is turned on or not.
Table.6.3
Controller state
DL-WAIT
(waiting for download)
HALT (Stop) (*1)
RUN (*2)
HOLD (Scan stops)
ERR
(Other than H/W major failure)
ERR (H/W major failure)
Shutdown capacitor charging
Shutdown capacitor charging
completed
: Light On, : Blink, : Light Off, -: Controller status and LED display status is irrelevant
●
○
◎
(Note) About error, check the special register (S register) and error log with nV-Tool.
The above LED display indicates that the shutdown capacitor has been charged. In the
situation of PUB11/PUB21, the LED display shows that only PLC1 has been registered. Also,
there is no I/O fallback in PLC1.
(* 1) The display pattern of RUN1: Off, ERR1: Off indicates that the operation mode of PLC1 is
DL-WAIT or HALT. The display pattern of RUN2: Off, ERR2: Off indicates that the operation
mode of PLC2 is DL-WAIT or HALT when PLC2 is already registered.
Confirm the registration status and operation mode in the system view.
(* 2) The display pattern of RUN1: ON, ERR1: OFF indicates that the operation mode of PLC1
is RUN or RUN-F. The display pattern of RUN2: ON, ERR2: OFF indicates that the operation
mode of PLC2 is RUN or RUN-F when PLC2 is already registered.
Confirm the registration status and operation mode in the system view.
Controller state and display LED
LED display
RUN1 RUN2 FLT ERR1
Green Green Red
○ ○ ○
○ ○ ○
● ○ ○
○ ○
◎
○ ○ ○
○ ○ ●
- - -
- - -
Unified Controller Vm Series Controller typeS Instruction Manual
ERR2
CHRG
Red Red Green
○ ○ ●
○ ○ ●
○ ○ ●
○ ●
◎
○ ● ●
○ ● ●
- -
◎
- - ●
65