Installation help needed - Can't communicate with Gree about gree-hvac-mqtt-bridge HOT 4 OPEN

Can tell you there should be a message in bridge..

Nov 18 21:02:30 jess mygree.sh[31036]: [MQTT] Connecting to mqtt://192.168.2.3...
Nov 18 21:02:30 jess mygree.sh[31036]: [MQTT] Connected to broker
Nov 18 21:02:30 jess mygree.sh[31036]: [UDP] Connected to device at 192.168.2.8
Nov 18 21:02:30 jess mygree.sh[31036]: [UDP] New device registered: 1e34d0d1
Nov 18 21:02:30 jess mygree.sh[31036]: [UDP] Device 1e34d0d1 is bound!
Nov 18 21:12:01 jess mygree.sh[31036]: [MQTT] Message "1" received for gree2mqtt/power/set
Nov 18 21:12:01 jess mygree.sh[31036]: [UDP] Status updated on 1e34d0d1
Nov 18 21:12:05 jess mygree.sh[31036]: [MQTT] Message "0" received for gree2mqtt/power/set
Nov 18 21:12:05 jess mygree.sh[31036]: [UDP] Status updated on 1e34d0d1

from gree-hvac-mqtt-bridge.

Thanks! It really helps to know the expected output. Looks like it's failing at the negotiation stage. I'll focus efforts there.

from gree-hvac-mqtt-bridge.

Yeah you should see the "New device registered: 1e34d0d1" if it worked.
See if the Pi can see your heatpump, and the port is open.
"sudo nmap 192.168.10.74 -sU -p 7000"

I get....
Host is up (0.16s latency).

PORT STATE SERVICE
7000/udp open|filtered afs3-fileserver
MAC Address: xx:xx:xx:xx (Zhuhai Ewpe Information Technology)

If not try disabling the pi firewall
"sudo ufw disable"

from gree-hvac-mqtt-bridge.

Thanks for this. Yes the port is open, but I may have discovered the issue.

My unit is branded as Bryant - however, the remote and all the operating specifics are identical to the Gree Crown+, and the default WiFI SSID is gree-XXXX. The WiFi board inside the unit shows that it was built in 2014. I use the Gree G-Life App to access it without any issue. https://play.google.com/store/apps/details?id=com.gree.g_life&hl=en

I went back and looked at the app that the original gree bridge code was based on and discovered that I could not connect with this app. So after some sniffing with Wireshark, it appears that that my unit is a different model of Gree interface. It appears that the initial negotiation takes place with a packet from port UDP 1024 to 988 on the HVAC, after that all communication in done to port TCP 6000. That said, port TCP 7000 is also open.

6000/udp open|filtered X11
7000/udp open|filtered afs3-fileserver

I can see the plugin making the attempt to connect with the packet to port 7000, but no response from the HVAC.
So unfortunately, I think I'll have to sort this out on my own since my HVAC unit isn't compatible with the Gree bridge code. I'm hoping this wifi module has been used in other HVAC and there has been some development elsewhere.

Thanks everyone for your help.

from gree-hvac-mqtt-bridge.