
Issue 4.0
CEECO
Communication Equipment and Engineering Company
PROPRIETARY
17
11.0 TROUBLESHOOTING
Always visually check the phone for loose or shorted wires, damaged terminals or
damaged parts.
PROBLEM: NO DIAL TONE
AND
/OR MCKR-2 CARD DOES NOT FUNCTION
POSSIBLE
CAUSE:
LINE
CORD
RJ11C
CONNECTOR
MCRK-2
CARD
NETWORK
NETWORK CABLE ASSY
HOOKSWITCH CABLE ASSY
HOOKSWITCH
ASSY
MICRO-PROCESSOR
HANDSET
PROBLEM: DIAL TONE IS DISTORTED
POSSIBLE
CAUSE:
NETWORK CABLE ASSY
HOOKSWITCH CABLE ASSY
HOOKSWITCH
ASSY
MCRK-2
CARD
NETWORK
HANDSET
PROBLEM: PHONE DOES NOT READ CARD
POSSIBLE
CAUSE:
CARD
DIRTY READ HEAD
CARD
READER
CARD READER CABLE
MCRK-2
CARD
PROBLEM: TRANSMITTER DOES NOT TURN ON
POSSIBLE
CAUSE:
HANDSET
MCRK-2
CARD
NETWORK CABLE ASSY
NETWORK