29
8015964/19R6/V6-0/2021-03| SICK
O PE RA T I N G I N S TR 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 Ethernet connection
▸
Check settings (addresses)
of configured internet
access
ETH2 link ok
IPaddr: xx.x.xxx.xxx
Gateway: xx.x.xxx.x
DNS
2)
works properly
HTTPS
3)
Port on remoteser
-
vice.sick.com is not available
Internet connection
(ETH2) is available. The
DNS is working.
The HTTPS port is not
available.
▸
Check firewall settings
MPR is not enabled for
establishing the connec
-
tion to the Meeting-Point
Server.
▸
Check firewall settings in
the customer 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 can
-
not be established.
▸
Check SIM card.
▸
Restart MPR.
▸
Check the APN mobile
phone service provider and
the PIN of the SIM card.
▸
Check the antenna/
antenna cable.
▸
Check the signal strength of
the telephone connection.
Check 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://remoteser
-
vice.sick.com not yet
installed
▸
To ensure safe operation,
contact SICK Service.
