How to Select the Correct Procedure
HOW TO SELECT THE CORRECT PROCEDURE
This section explains how to determine which of the three trouble isolation pro-
cedures to use. Before using this section you should:
1.
Read “HOW TO USE THIS MANUAL” in this manual.
2.
Do the “BASIC TROUBLE TESTS” in this manual.
If you have done the “BASIC TROUBLE TESTS” and read “HOW TO USE THIS
MANUAL,” you are ready to start testing your system.
Step 1.
Step 2.
Step 3.
TEST SEQUENCE
Make certain that the trouble is not intermittent by determining that the
same trouble appears at least twice.
Write a description of the trouble on paper, including exactly what it is
and where it appears.
Decide whether the trouble appears only when using an accessory (head-
set, hands-free unit, music on hold, paging system, power failure transfer
telephone, extra alert, voice terminal power supply, or auxiliary power
unit).
IF
THEN
The trouble appears only when
Go to “TROUBLE ON AN ACCES-
using an accessory,
SORY.”
The trouble does not appear when
Go on to Step 4.
using an accessory,
Step 4.
See if exactly the same trouble appears on a second voice terminal. If the
trouble appears when using an outside line button, make sure you use the
same
outside line button on the other voice terminal.
Page 31
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