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May 2009 AfiFree Terminal 155i Installation Manual 85

Chapter 5 Troubleshooting

This chapter contains the following:

 Guidance on searching for the source of an electrical problem (below)

 Troubleshooting Guide(below)

For the meaning of lit or flashing LEDs on a Terminal 155i, see Table 25: Operating

Modes and their Indicators (page 97) and Table 28: Alarm and Malfunction Indicators

(page 117).

Searching for an Electrical Problem

To search for electrical problems, proceed as follows until the problem is resolved:

1. Check all connections in the connection box:

a. Verify that wire colors match the wiring diagram in the lid of the Connection

Box.

b. Check for poor contacts.

2. Replace the Terminal 155i.

3. Replace the AfiFree Body.

Table 21: Troubleshooting Guide

Indication

Probable cause

Possible solutions

Display panel is not

illuminated

Faulty connection of

power supply (24 V) cable

to the control unit

Check the power connection

Insufficient power supply

Verify that the last AfiFree155i

milk meter on each side is

being supplied with 24V± 3.6V

Terminal 155i does not

display identification of

animals

Identification or antenna

problem

Consult manual for

identification system:

 AfiPass64 Installation

Manual (P/N 9040610)

 IDeal Installation Manual

(P/N 4022900)

Milk flowing but no weight

shown or only partial

weight shown

Electrodes dirty or coated

in milk lime

Perform acid wash with 1.5-2%

concentration

Defective AfiFree155

body or Terminal 155i

Replace defective unit

Milk flow stopped but

AfiFree155i continues to

measure and does not

remove the cluster

There are foreign particles

inside the body

Make sure there are no foreign

particles inside the body

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 119 120

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