Use Of Rs485 Communication Port; Led Indicator - Toshiba TOSVERT VF-FS1 series Function Manual

2.2. Use of RS485 communication port

Serial communication (2-wire RS485) option can be used. However, while it is connected, the internal
communication line is switched to RS485 then the communication via BACnet network is disabled and
the data can not be refreshed. In this case, communication error trip time (f803) is also active.
Use RS485 serial communication option specified by Toshiba.

2.3. LED indicator

The option has two LEDs. Those functions are below table.
COM
OFF
Green
ERR
Red
1s
A
State
Green LED : OFF
A
Red LED : Flashing 5 times in 1 second
Green LED : OFF
Red LED :
B
Flashing 3 times in 2 seconds, Off for 1
second
Green LED : ON
C
Red LED : OFF 0.5s, ON 0.5s
Green LED :
Flashing 3 times in 2 seconds, Off for 1
D
second
Red LED : OFF
Green LED : Flashing Intermittent Green
E
Red LED : ---
Green LED : ---
F
Red LED : Flashing Intermittent Red
OFF ON
2s 1s 1s
B
LEDs
- 4 -
OFF
2s 1s
C D
Comment
BACnet board failure
Communication loss detected. Confirm the
network condition and connection of the cable.
Invalid configuration detected (ADR > max
master), or an option is connected to RJ45.
Waiting for Auto baudrate detection
Valid message received for this node
Invalid message received (any node)
E6581404
E F