Indicator Light; Technical Data; Fault Finding Chart - Grundfos 2000 Serie Instrucciones De Montaje

4. Indicator light

The LON module incorporates a yellow indicator light which is a service LED
indicating various conditions of the LON network.
For further information, see the documentation files on the floppy disk sup-
plied with the LON module.

5. Technical data

Transceiver type
Recommended cable
Transmission speed
Protocol
Current consumption

6. Fault finding chart

Fault Cause
The pump does not The wires are not con-
react to the LON nected correctly to the
signal. terminal block.
The plug connection be-
tween the terminal box
and the module is faulty.
The terminal box or the
module is defective.
The yellow indica- The LonWorks network or
tor light on the the module is defective.
module is not off
(flashing or perma-
nently on).
FTT - 10
Twisted-pair cable
78 kBits/s
®
LonTalk
Maximum 200 mA
Remedy
Connect the wires cor-
rectly.
Correct the fault.
Replace the module.
Replace the terminal box.
Contact Grundfos.
Contact the system ad-
ministrator for further de-
tails and fault finding.
Subject to alterations.
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