Hach SC4200c Manuel D'utilisation De Base page 24

Problem
The sensor status LED
flashes amber, while the
second sensor is not
connected.
9.2 Connection problems
Problem
The cloud connection
LED stays red.
The cloud connection
LED stays off.
Sometimes the LED
flashes blue for a short
time.
24 English
Possible cause
Sensor connection issue
Possible cause
No access to If the controller is connected first time to cloud, make
cloud, but access sure that the controller is provisioned by the MSM.
to internet
If the controller was connected to the cloud before,
set the controller to off. Set the controller to on
again. Contact technical support if the LED stays red
again.
No access to Cellular internet access:
internet
• Use the web server application to check the SIM
• Use the web server application to check the
• Make sure that the prepaid SIM card has credit.
• Make sure that the SIM card data volume is not
LAN internet access:
• Make sure that the controller has approval to be
• Make sure that the network cable is connected to
• Use the web server application to examine the
• If the network sharing configuration is enabled,
The cloud Make sure that the sensors are connected to MSM.
connection LED is Contact technical support.
not working.
Examine the sensor and the sensor cable for
damage. If damage is found, contact
technical support.
If no damage is found, disconnect the
sensor, wait for 15 seconds, then connect
the sensor again. Contact technical support if
the LED flashes amber again.
Solution
card settings (provider, APN etc.).
network status.
exceeded.
connected in the network.
the correct Ethernet port. Refer to
on page 13.
network status.
search the first controller in the series that is
offline and examine for connectivity problems.
Solution
Figure 6