
ISSUE 4.0
CEECO
Communication Equipment & Engineering Company
PROPRIETARY
13
TROUBLE SHOOTING CONTINUED…
PROBLEM: KEYPAD DOES NOT OPERATE PROPERLY
POSSIBLE
CAUSE:
KEYPAD
CABLE
ASSY.
KEYPAD
MCRK-2
CARD
PROBLEM: LOSES MEMORY CONTENTS AFTER EXTENDED PERIODS
OF NO USE.
POSSIBLE
CAUSE:
LITHIUM
BATTERY
PROBLEM: PHONE CANNOT BE PROGRAMMED
POSSIBLE
CAUSE:
MEMORY CHIP
MCRK-2
CARD
KEYPAD
KEYPAD
CABLE
ASSY.
PROBLEM: RINGER DOES NOT OPERATE
POSSIBLE
CAUSE:
RINGER
NETWORK