Replacement Parts And Accessories - Hach SC4200c Basic User Manual

Problem
The sensor status LED
stays off, but the second
sensor operates.
The sensor status LED
flashes amber, while the
second sensor is not
connected.
Connection problems
Problem
The cloud connection LED
stays red.
The cloud connection LED
stays off. Sometimes the
LED flashes blue for a short
time.

Replacement parts and accessories

Refer to the expanded user manual on the manufacturer's website for the replacement parts and
accessories that are approved by the manufacturer.
22 English
Possible cause
Sensor connection issue
Sensor connection issue
Possible cause
No access to cloud, If the controller is connected first time to cloud, make sure
but access to that the controller is provisioned by the MSM.
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 internet Cellular internet access:
• Use the web server application to check the SIM card
• Use the web server application to check the network
• 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 the
• Use the web server application to examine the network
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 stays off again.
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
settings (provider, APN etc.).
status.
exceeded.
connected in the network.
correct Ethernet port. Refer to
status.
Solution
Figure 6 on page 12.