This article applies to the following CoolMaster products
- CoolMaster
- CoolMasterPro
- CoolMasterNet
- CloudBox
Our CoolMaster and CloudBox devices maintain a permanent connection with the CoolRemote cloud server once TCP/IP networking with internet access is established.
The CoolRemote connection status is displayed on the LCD screen as a cloud icon on the bottom right-hand corner of the screen. In an event that there is a communication issue, an error message will appear in the cloud icon on the CoolMaster screen as seen in the following table.
| Icon | Description |
|---|---|
| No Cloud icon | Not TCP/IP networking |
 |
Connecting - Communicating |
 |
Connected - Idle |
 |
Disconnected - Communication error code |
The following table shows the error codes with their respective description
| Error code | Description |
|---|---|
| -3 | Timeout – No reply from the server |
| -4 | A packet was not delivered to the server due to routing problems |
| -6 | Illegal value, port forwarding is disabled, or DNS resolution problem |
| -8 | IP Duplicate |
| -9 | Trying to connect again, while already connected |
| -10 | The connection was aborted by the server or by one of the nodes/routers on the way to the server (firewall) |
| -11 | The connection was reset by the server or by one of the nodes/routers on the way to the server (firewall) |
| -12 | The connection was closed by the server or by one of the nodes/routers on the way to the server (firewall) |
| -13 | Sending packets to the server while not connected |
| -64 | Security reasons |