Grundfos CIM 500

6. Fault finding
6.1 PROFINET IO
You can detect faults in a module by observing the
status of the two status LEDs.
The prerequisite is that CIM 500 is fitted in a
Grundfos product or CIM 500 fitted in a CIU 500.
Ensure that SW1 is in position "0" to select
PROFINET
.
Related information
4. Status LEDs
6.1.1 Both LEDs remain off
Both LEDs remain off when the power supply is connected.
Cause Remedy
The module is fitted incorrectly in the Grundfos
product.
• Check that the module is fitted and connected
correctly
.
The module is defective. • Replace the module.
CIU 500 is defective. • Replace CIU 500.
6.1.2 LED1 is off
Cause Remedy
SW1 is not set correctly. • Set the switch to "0".
6.1.3 LED2 is flashing red
Cause Remedy
No internal communication between the module and
the Grundfos product.
• Check that the module is fitted correctly in the
Grundfos product.
No internal communication between CIU 500 and the
Grundfos product.
• Check the cable connection between the Grundfos
product and CIU 500.
•
Check that the individual conductors are connected
correctly, for example, not reversed.
• Check the power supply to the Grundfos product.
6.1.4 LED2 is permanently red
Cause Remedy
The module does not support the connected
Grundfos product.
• Contact the nearest Grundfos company.
6.1.5 LED1 is permanently red
Cause Remedy
The module does not support the connected
Grundfos product.
• Contact the nearest Grundfos company.
SW1 is in illegal position. • Set the switch to "0".
6.1.6 LED1 is flashing red, 3 Hz
Cause Remedy
Fault in the PROFINET IO configuration of the
module.
• Restart CIM 500. Use the RESTART button on the
webserver
, or power cycle the product. See the
section about PROFINET IO configuration.
• Check that the PROFINET IO IP address
configuration is correct. Check the device name in
CIM 500 and PROFINET IO master.
• Check that the right GSDML file is used.
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English (GB)