Fault Finding; Technical Data; Disposing Of The Product - Grundfos CIM 040 TTL Installation And Operating Instructions Manual

5. Fault finding

Fault (LED status)
Both LEDs remain off
when the power supply
is connected.
LED1 is off.
LED1 is permanently
green.
LED2 is off.
LED2 is permanently
green.

6. Technical data

Transceiver
Cable
Supported cable
Transmission speed
Storage temperature

7. Disposing of the product

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
The crossed-out wheelie bin symbol on
a product means that it must be
disposed of separately from household
waste. When a product marked with this
symbol reaches its end of life, take it to a
collection point designated by the local
waste disposal authorities. The separate collection
and recycling of such products will help protect the
environment and human health.
Possible cause
CIM 040 is defective.
No +5 V TTL supply from the
controller.
No communication with the controller.
No +5 V supply from the CIU box.
No communication with the CIU box.
TTL
Screened, twisted-pair
Use only cables supplied
by Grundfos.
Product number:
98435369.
9.6 kbits
-25 °C to +70 °C
(-13 °F to +158 °F)
Remedy
Replace the module.
Check Power supply to the controller.
Check the TTL cable connections on both
ends.
Replace the TTL cable.
Check that the TTL cable is connected at
both ends.
Replace the TTL cable.
Check that there is power on the CIU box.
Check that CIM 040 is connected
correctly.
Check that CIM 040 is connected
correctly.
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