Fault Finding; (Ciu = Unidad De Interfaz De Comunicaciones); Cim 1Xx Asennetaan Tiedonsiirrolla Varustettavaan Laitteeseen Ciu 1Xx -Yksikön Avulla Tai Sisään - Grundfos CIM 1 Serie Instrucciones De Instalación Y Funcionamiento

5. Fault finding

Faults in a CIM 1XX Profibus module can be detected by observing the status of the two communication LEDs.
See the table below.
CIM 1XX fitted in a Grundfos product
Fault (LED status)
1. Both LEDs (LED1 and LED2)
remain off when the power
supply is connected.
2. The LED for internal
communication (LED2) is
flashing red.
3. The LED for internal
communication (LED2) is
permanently red.
4. The Profibus LED (LED1) is
permanently red.
5. The Profibus LED (LED1) is
flashing red.
CIM 1XX fitted in the CIU 1XX
Fault (LED status)
1. Both LEDs (LED1 and LED2)
remain off when the power
supply is connected.
2. The LED for internal
communication (LED2) is
flashing red.
3. The LED for internal
communication (LED2) is
permanently red.
4. The Profibus LED (LED1) is
permanently red.
5. The Profibus LED (LED1) is
flashing red.
8
Possible cause
a) The CIM 1XX is fitted
incorrectly in the Grundfos
product.
b) The CIM 1XX is defective.
a) No internal communication
between the CIM 1XX and the
Grundfos product.
a) The CIM 1XX does not
support the Grundfos product
connected.
a) Fault in the CIM 1XX.
a) Fault in the CIM 1XX Profibus
configuration.
Possible cause
a) The CIU 1XX is defective.
a) No internal communication
between the CIU 1XX and the
Grundfos product.
a) Fault in the CIM 1XX.
a) Fault in the CIM 1XX.
a) Fault in the CIM 1XX Profibus
configuration.
Remedy
Check that the CIM 1XX is fitted /
connected correctly.
Replace the CIM 1XX.
Check that the CIM 1XX is fitted
correctly in the Grundfos product.
Contact the nearest Grundfos
company.
Contact the nearest Grundfos
company.
• Check that the Profibus address
(switches SW3 and SW4) has a
valid value [1-126].
• Check that the GSD file used is
correct.
• Check that the Profibus cable
has been fitted correctly.
• Check that the Profibus
termination is correct.
Remedy
Replace the CIU 1XX.
• Check the cable connection
between the Grundfos product
and the CIU 1XX.
• Check that the individual
conductors have been fitted
correctly.
• Check the power supply to the
Grundfos product.
The CIU 1XX is defective.
Contact the nearest Grundfos
company.
Contact the nearest Grundfos
company.
• Check that the Profibus address
(switches SW3 and SW4) has a
valid value [1-126].
• Check that the GSD file used is
correct.
• Check that the Profibus cable
has been fitted correctly.
• Check that the Profibus
termination is correct.