ISSUE 4.0
CEECO
Communication Equipment & Engineering Company
PROPRIETARY
7
7.0 TROUBLESHOOTING
GUIDE
Always visually check the phone for loose or shorted wires, damaged terminals or
damaged parts.
PROBLEM
: NO DIAL TONE
POSSIBLE CAUSE
:
LINE CORD
RJ11C CONNECTOR
NETWORK
HANDSET
DIAL PCB
ATA
UNIT
PROBLEM
: DIAL TONE IS DISTORTED
POSSIBLE CAUSE
:
NETWORK
HANDSET
PROBLEM
: PHONE DOES NOT DIAL
POSSIBLE CAUSE
:
DIAL PCB
KEYPAD
ATA UNIT
PROBLEM
: RINGER DOES NOT OPERATE
POSSIBLE CAUSE
:
RINGER
NETWORK
LACK OF 90-120VAC 50/60Hz RING SIGNAL
PROBLEM
: TRANSMITTER DOES NOT TURN ON
POSSIBLE CAUSE
:
HANDSET
NETWORK
