Cerbo GX Manual

If a Connection error is shown, the Cerbo GX is not able to contact the VRM database. The connection error will show an error

code that indicates the nature of the connectivity problem. Also, details of the error message are shown, to facilitate on site IT

experts to diagnose the problem.

• Error #150 Unexpected response text: A connection succeeded, but the result was incorrect. This might indicate that a trans-

parent proxy is hijacking the connection. Examples include a WiFi login page or a cellular providers payment page.

• Error #151 Unexpected HTTP Response: A connection succeeded, but the response did not indicate a successful HTTP result

code (normally 200). This might indicate that a transparent proxy is hijacking the connection. See #150 above for examples.

• Error #152 Connection time-out: this could indicate a poor quality internet connection, or a restrictive firewall.

• Error #153 Connection error: this could indicate a routing problem. For details, check the shown error message:

• Error #153 Connection problem, and then specifically an SSL related issue, such as in below screenshot: check the date and

time setting of the Gx Device, and also the time zone. And check that your router router is not showing a special disclaimer,

• Error #154 DNS Failure: Make sure that a valid DNS server is configured in the Ethernet or WiFi menu. Typically this is as-

signed automatically by a DHCP server in a network.

• Error #155 Routing error: VRM is unreachable. This error occurs if an ICMP error is received indicating that no route exists to

the VRM server. Make sure your DHCP server assigns a working default route, or that the gateway is correctly configured for

static configurations.

• Error #159 Unknown error: this is a catch-all error for errors that cannot be directly categorised. In such cases the Error mes-

sage will provide information about the problem.

Cerbo GX Manual