Hach SC4500 Basis-Benutzerhandbuch Seite 25

Problem
There are navigation
issues on the
controller
touchscreen.
The Claros
connection icon
shows crossed out
The Claros icon
stays off. The Claros
connection icon
shows crossed out.
Possible cause
There is dirt on the
touchscreen.
No access to Claros,
but access to internet
No access to internet
No access to Claros
Solution
Clean the screen. The manufacturer recommends a
regular cleaning of the touchscreen.
Note: Make sure that the screen is locked during cleaning to prevent
unwanted touches.
If the controller is connected for the first time to
Claros, make sure that the controller is provisioned
in Claros.
If the controller was connected to Claros before, set
the controller to off and on again.
Examine the controller connectivity.
Contact technical support if the error shows again.
Cellular internet access:
• Examine the controller connectivity. Refer to the
expanded user manual on the manufacturer's
website for additional information.
• Examine the cellular signal strength. Move the
USB box to a location with higher signal strength.
• Examine the SIM card settings (provider, APN
etc.).
• Make sure that prepaid SIM card has credit.
• Make sure that the SIM card data volume is not
exceeded.
Wi-Fi internet access:
• Examine the controller connectivity. Refer to the
expanded user manual on the manufacturer's
website for additional information.
• Examine the Wi-Fi signal strength. Move the
USB box to a location with higher signal strength.
• Use another device to make sure that WiFi
access point is enabled.
• Make sure that the correct credentials were used
in the WiFi configuration. Refer to the expanded
user manual on the manufacturer's website for
additional information.
LAN internet access:
• Examine the controller connectivity. Refer to the
expanded user manual on the manufacturer's
website for additional information.
Make sure that the sensors and devices are
correctly connected and provisioned in Claros.
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