25
8015964/ZSL8/2018-04| SICK
O P E R A T I N G I N S T R U C T I O N S | MPR
Subject to change without notice
TROUBLESHOOTING
7
7
Troubleshooting
7.1
Error messages
7.2
Additional error messages for MPR 4G
Message
Significance / Cause
Remedy
No Link on ETH2
1)
and no 4G-
Router found. check cable
No link and no 4G router found.
The connection cannot be
established.
Check the cable of the Ethernet connection.
Check the settings (addresses) of the configured
internet access (
see “Notes on installation”,
page 11
).
ETH2 link ok
IPaddr: xx.x.xxx.xxx
Gateway: xx.x.xxx.x
DNS
2)
works properly
HTTPS
3)
Port on
remoteservice.sick.com is not
available. Check firewall settings.
Internet connection (ETH2) is
available. The DNS is working.
The HTTPS port is not available.
Check the firewall settings
see “Technical require-
ments”, page 11
.
The MPR is not enabled for
establishing the connection to the
Meeting Point Server.
Check the firewall settings in your network.
1) ETH2 = internet connection
2) DNS = internet address allocation
3) HTTPS = internet communication protocol
Message
Significance / Cause
Remedy
DNS not OK! Check DHCP
When using a mobile router: check
signal or try with better antenna
MPR-4G router found,
however, connection cannot be
established.
Check the SIM card (then restart the MPR).
Check the APN mobile phone service provider and
the PIN of the SIM card (
see “Entering the SIM
card information for MPR 4G”, page 17
).
Check the antenna/antenna cable.
Check the signal strength of the telephone
connection.
You can test the signal strength with the signal
strength display of a standard 4G mobile phone.
However, this check is valid at the time and location
when made and does not ensure a stable signal
strength.
This connection is untrusted
Certificate for website https://
remoteservice.sick.com not yet
installed
To ensure safe operation, contact SICK Customer
Service.