Troubleshootlng Chart

If something goes wrong in the operation of your MERLIN system, use the following troubleshooting chart to determine the possible cause of the problem. In many cases, you can clear the trouble yourself without the need for a service call.

Trouble

Possible Cause

Do This

 

 

 

 

You cannot make an outside call.

The problem may be the telephone

• Plug a standard modular telephone into the

 

 

company lines.

telephone company wall jack for your in-

 

 

 

coming line that has the trouble.

 

 

 

• If you experience the same problem when

 

 

 

you use the standard modular phone,

 

 

 

report the trouble to your local telephone

 

 

 

company.

 

 

 

 

 

 

The Outward Calls switches on the

• Set Outward Calls switches to Yes (up).

 

 

control unit are set to No (down).

 

 

 

 

 

 

 

The Tone/Pulse switch on control unit

• Set the Tone/Pulse switch to Pulse. If you

 

 

is not set correctly.

purchase Touch-Tone service from the

 

 

 

telephone company, set the switch to Tone.

 

 

 

 

All voice terminals are dead; that is,

All connections may not be secure.

• Check the connections plugged into each

there are no lights, no dial tone.

 

voice terminal, the control unit, and the

 

 

 

telephone company line jacks.

 

 

 

• If there are any loose connections, make

 

 

 

them secure.

 

 

 

 

 

 

There is no power to the control unit.

• Make certain that the On/Off switch is set

 

 

 

to the On position.

 

 

 

• If the green light on the control unit is off,

 

 

 

plug something else into the ac outlet to

 

 

 

see if it is supplying power. (Make sure the

 

 

 

control unit is not plugged into a switch-

 

 

 

controlled outlet.)

 

 

 

 

The red warning light on the control

The cartridges may be loose.

• Unplug the control unit.

unit is lit.

 

• Make sure that all cartridges are firmly

 

 

 

seated in the control unit slots.

 

 

 

• Plug in the control unit.

 

 

 

• Wait for a full five minutes.

 

 

 

• If the red light goes out (and stays out), the

 

 

 

trouble is cleared up.

 

 

 

• If the red light remains on, call your equip-

 

 

 

ment supplier.

 

 

 

 

The voice terminals do not ring.

The volume control is turned off.

• Turn up the volume.

 

 

 

 

 

 

The lines are programmed not to ring.

• Program line ringing as desired.

 

 

 

 

 

 

The Do Not Disturb feature is activated.

• Touch Do Not Disturb to deactivate the

 

 

 

feature. (The green light goes off.)

 

 

 

• If the buttons on your voice terminal are not

 

 

 

labeled, check each programmable button

 

 

 

to see if the green light next to it is on; the

 

 

 

Do Not Disturb feature should be on one

 

 

 

of those buttons. Then, reprogram those

 

 

 

buttons.

 

 

 

 

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AT&T 410, 820, 206 manual Troubleshootlng Chart, Trouble Possible Cause Do This