Gree VRF, Service Manual

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Gree VRF Protocol Gateway
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gateway name or gateway ID from the webpage, and the webpage can’t be accessed, user can
reset the gateway to restore factory default information. Dial the fourth digit of the DIP switch code
to “1”, hold SHT/DWN button for 5s to restore the default information of factory setting of the
gateway.
1.2 LED Display
FUNCTION
SHT/DWN
STAT
BEAT
BACKUP
RS485-1 RS485-2
CAN
RX
TX
1
0
The above LED indicator is mainly consist of two parts: status indicator (run, power) and
communication indicator (CAN and RS485). The following table is the working status of each
indicator.
CAN
RX
When receiving the data of equipment (eg. AC unit) which connects to gateway, it
blinks.
TX
When transmitting data to the equipment (eg. AC unit) which connects to gateway, it
blinks.
RS485-1
RX When the gateway receives data on the 485 bus, it blinks.
TX When the gateway sends data to the 485 bus, it blinks.
RS485-2
RX This device does not use this LED indicator.
TX This device does not use this LED indicator.
STAT When power supply of Gateway is normal, it is on.
BEAT When Gateway is running normally, it blinks.
BACKUP This device does not use this LED indicator.
1.3 Button
SHT/DWN
When the fourth digit of DIP switch code is “1”, hold the button for 5s and all
indicators will be on. Reset the gateway controller.
BACKUP Not use this button for this device temporarily.