Rap 07 Auto Reception Problem - OKIDATA OF2600 Service Manual

RAP 07 Auto Reception Problem

START
Is the manual reception OK?
NO Does the handset /telephone ring when a call arrives?
NO Perform the following
Check the handset/telephone set, the line, and the exchange.
YES Answer the call. Then, check the following items.
Is the unit placed in the manual receive mode?
Was the START key pressed to answer the call?
Is the closed network ON? Is the remote phone number registered
in one touch keys or three-digit auto dial codes?
YES Is machine in the auto receive mode? If not, place the unit in auto receive
mode by pressing AUTO REC key.
Has the problem been resolved?
YES End of procedure.
NO Set CLOSED NETWORK to OFF.
Okifax 2200: User Function 08
Okifax 2400/2600: User Function 21
Has the problem been resolved?
YES End of procedure.
NO Is the ringing signal detected at Pin 9 of CN7 of the network control unit board?
YES Replace the main control board.
NO Replace network control unit board.
Has the problem been resolved?
Service Guide OF2200/2400/2600
Chapter 2 Failure Analysis
Page: 55