Siemens RL-854 Benutzerhandbuch

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RL-854 Radio Control Unit
Type I, Style A
Parts
 2001 Siemens Airfield Solutions, Incorporated
96A0027L
Page 31
All rights reserved
Issued 5/01
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.
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
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.
6.  Troubleshooting
 (contd.)
7.  Parts
Using the Illustrated Parts
List
RL-854 Radio Control Unit
Part Numbering System