Problem:
| Warning |
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The message “Server is not Reachable” is displayed on your BATM.
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The underlying cause of this type problem may arise in one of these five areas:
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This article describes possible solutions at the BATM side of this graphic.
Obviously, we cannot control the Internet or your routing - but you may want to check CAS if you run your own server and ALL your BATMs are offline:
| Tip |
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We recommend Ethernet in areas that have weak or unstable Internet access. Some WiFi routers just aren’t up to the task. A strong WiFi signal doesn’t mean a stable connection. A microwave oven or various electronics may generate spurious signals that disrupt the connection - and cause this error. Ethernet overcomes this weakness. If Ethernet is not an option in your case, consider improving the WiFi connection: |
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Solutions:
Ensure that you are connected to a local router.
Configure Wi-Fi, or better yet: connect using Ethernet.
Confirm that an IP is assigned in your Administration screen.
| Note |
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A consistent & reliable Internet connection is required for the BATM to operate.
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Confirm that your router can access the Internet.
Connect your phone or a laptop computer to the router & test access.
Ethernet: ensure your router is NOT set to rate auto-negotiation.
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| Warning |
|---|
DDoS attacks can cause sudden disconnections & periodic interruptions. Phone carriers (cell towers) and broadband providers are NOT 100% reliable. Internet attacks can (and will) affect your connection and cause intermittent & periodic disruptions. Be sure to check (with your provider) that your service is actually available & not a current target of these attacks. |
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Disable unused Wi-Fi connections.
| Note |
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“Forget” all wifi connections that aren’t used!
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Finally, check that the Server IP is properly set.
The server will definitely be unreachable if the BATM is “dialing” the wrong IP, or is unpaired with CAS.
The Server IP is set to a GB default.
The Server IP may reset to the default after certain BATM procedures.
Instructions to set your Server IP: Set the BATM Server IP
Make sure the BATM is paired with your CAS: Error: TLS error
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| Note |
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If you operate only a single BATM and your own CAS, then the problem may lie within your CAS server.
A quick test to verify that your CAS server’s ports are properly exposed (and open) can be conducted using “nmap” on any Linux computer. Replace “IP” with your actual CAS server IP: |
| Code Block |
| nmap -v IP -Pn -p 7741 |
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