TMC ET4000 manual Problem Solution

Additional Information

Troubleshooting Guide (Continued)

Problem	Solution
The line LED flashes when a	Make sure that the ringer is on (See page 22).
call comes in, but the tele-	Adjust the ringer volume control (See page 23).
phone does not ring.	Make sure that Do Not Disturb is not on (See page 37).
Some telephones do not ring.	If there are several non-system telephones on the line that
	does not ring disconnect some of them.
The telephone does not oper-	Make sure that a fresh 9-volt battery is installed in the tele-
ate during a power outage.	phone (See page 68).
The battery icon stays lit in the	Make sure that a fresh 9-volt battery is installed in the tele-
display.	phone (See page 68).
You cannot hear the other	Adjust the volume control (See page 23).
party.
You cannot join a telephone	The Call Privacy feature prevents another EPIC telephone
call in progress.	from interrupting a call in progress. The person already on
	the call may release the call privacy or conference you into
	the call (See pages 29 and 39).
	If you don’t want Call Privacy in your system, you can turn it
	off (See page 18).
The telephone line status indi-	If this line is not connected to a telephone line, you must set
cators stay lit, even though the	it as UNCONNECTED (See page 19).
line is not in use.	If this line is connected to a telephone line, yet still stays lit,
	then adjust the loop voltage detector setting (See page 73).
Other problems.	Make sure that you have followed all of the instructions in
	this User’s Guide. If you continue to have problems, call
	TMC’s toll-free customer support line at 1-800-TMC-1638. If
	you cannot correct the problem, disconnect the telephone
	and refer to the TMC limited warranty information on page
	78.

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