RL-854 Radio Control Unit

 

Type I, Style A

Parts

6. Troubleshooting (contd.)

Table 7. RL-854 Radio Control Unit Troubleshooting

Problems and Possible Causes

Solutions

Problem: No test when test button is depressed

 

Defective carrier lamp

Replace lamp.

Low sensitivity on receiver board

Turn pot2 on receiver board clockwise.

Bad contacts on receiver board

Clean contacts.

Bad contacts on decoder board

Clean contacts.

Defective receiver board

Repair or replace receiver board.

Defective decoder board

Repair or replace decoder board.

Problem: No 15-minute time out, timer test switch in normal

 

position

 

Bad contacts on decoder board

Clean contacts.

Defective decoder board

Repair or replace decoder board.

Problem: 15-second fast test time out (all functions)

 

Defective decoder board

Repair or replace decoder board.

7. Parts

Using the Illustrated Parts List

To order parts, call Siemens Airfield Solutions Customer Service or your local representative. Use this four-column parts list, and the accompanying illustration, to describe and locate parts correctly.

The Item column numbers correspond to the numbers that identify parts in illustrations following each parts list. NS (not shown) indicates that a listed part is not illustrated.

The Description column gives the part name, as well as its dimensions and other characteristics when appropriate. Indentions show relationships between assemblies, subassemblies, and parts.

The Part Number column gives the Siemens Airfield Solutions part number.

Item

Description

Part Number

Note

NS

Assembly

xxxxxxxx

A

T1

Assembly

 

 

 

Part

xxxxxxxx

 

 

Part

xxxxxxxx

 

 

 

 

 

RL-854 Radio Control Unit Part Numbering System

The Note column contains letters that refer to notes at the end of each parts list. Notes contain special ordering information.

Figure 9 shows how to determine the part number for a particular RL-854 Radio Control Unit.

 2001 Siemens Airfield Solutions, Incorporated

96A0027L

Page 31

All rights reserved

Issued 5/01

 

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Image 36
Siemens RL-854 manual Troubleshooting contd, Parts Using the Illustrated Parts List, Description Part Number