
ISSUE 4.0
CEECO
Communication Equipment & Engineering Company
PROPRIETARY
12
7.0 TROUBLE SHOOTING GUIDE
Always visually check the phone for loose or shorted wires, damaged terminals,
or damaged parts.
PROBLEM: NO DIAL TONE AND/OR MCRK-2 CARD DOES NOT
FUNCTION
POSSIBLE
CAUSE:
LINE CORD
RJ11C
CONNECTOR
MCRK-2
CARD
NETWORK
NETWORK CABLE ASSY.
HOOKSWITCH CABLE ASSY.
HOOKSWITCH
ASSY.
MICROPROCESSOR
HANDSET
PROBLEM: DIAL TONE IS DISTORTED
POSSIBLE
CAUSE:
NETWORK CABLE ASSY.
HOOKSWITCH CABLE ASSY.
HOOKSWITCH
ASSY.
MCRK-2
CARD
NETWORK
HANDSET
PROBLEM:
TRANSMITTER
DOES NOT TURN ON
POSSIBLE
CAUSE:
HANDSET
MCRK-2
CARD
NETWORK CABLE ASSY
NETWORK
PROBLEM: TRANSMITTER
DOES
NOT TURN ON FOR INCOMING
CALLS
POSSIBLE
CAUSE:
PHONE NOT PROGRAMMED TO ALLOW INCOMING CALLS.
MCRK-2 CARD