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 7 If Something Doesn’t Work
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System Problems
Quick Reference Guide
System Problems
System Problems
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Call rings continuously, 
but no one at other end
You may be using Automatic System Answer or 
Direct Extension Dial on a system that doesn’t 
support far end disconnect; call your local telephone 
company and find out if they support it.
Calls on hold are 
disconnected
Hold Disconnect Time (#203) setting may be too 
short.
Calls on Automatic 
System Answer lines are 
disconnected
Automatic System Answer Mode (#121) may be set 
to Disconnect; change it to Hold or Ring.
Call on Hold hangs up, 
but line doesn’t 
disconnect
Hold Disconnect Time (#203) may be too long; try 
resetting it.
Local telephone company does not send a hold 
release signal; you may need the help of our hotline.
All calls are 
disconnected
You may have run the Restore Programming feature; 
the system resets itself. In the future, warn users of 
restores.
Power may have been interrupted to the control unit; 
check the power cord, the on/off switch, and the 
green LEDs on the modules.
All telephones dead; no 
dial tone or lights
Power may have been interrupted to the control unit; 
check the power cord, the on/off switch, and the 
green LEDs on the modules.
Power outlet may be faulty; test the outlet with an 
appliance like a lamp.
Multiple telephones 
dead; no dial tone or 
lights
LED on one system module may be out; try reseating 
the module in the control unit.
LEDs on several modules may be out; try reseating 
the leftmost module of the ones with lights out.