Title: 32 Pumper modbuss teknisk data.pdf.pdf
communication is flashing red.3. LED2 for internal communication is permanently red.4. The Modbus LED1 is permanently red.5. The Modbus LED1 is flashing red.5. The Modbus LED1 is flashing red.CIM 200 fitted in CIU 200Fault (LED status)1. Both LED1 and LED2 remain off when the power supply is connected.1. Both LED1 and LED2 remain off when the power supply is connected.2. The LED2 for internalcommunication is flashing red.3. The LED2 for internal communication is permanently red.4. The Modbus LED1 is permanently red.5. The Modbus LED1 is flashing red.5. The Modbus LED1 is flashing red.40a) CIM 200 is fitted incorrectly in theGrundfos E-pump.b) CIM 200 is defective.a) No internal communication between CIM 200 and the Grundfos E-pump.a) CIM 200 does not support the Grundfos E-pump connected.a) Fault in the CIM 200 Modbusconfiguration.a) Fault in the Modbus communication (fault in parity or cyclic redundancy check).Possible causea) CIU 200 is defective.