CHAPTER 2 TROUBLESHOOTING
– 227 – NWA-008847-001 Rev.3.0
a6ch2001.fm
ATTCON Fault
ATTCON means SN708/709/712/741 ATTCON (2-wire type ATTCON) and SN716 DESKCON.
All keys on the ATTCON are inef-
fective.
(1) ATTCON Lock-out has been set via the
function key.
(2) Perform the ATTCON Self-Test. See
“ATTCON Self-Test Procedure”
Page 230
(3) Wiring on Modular Box (Rosette)
(4) DLC card is properly mounted.
(5) System Data Programming for the
console: CM10/CM14, CM90.
(6) “RUN” Lamp on the FP card and MP
card is flashing.
(1) ATTCON
(2) DLC card
(3) FP card
(4) MP card
Speech Path Trouble
(No Connection/One-Way
Connection)
(1) Headset or Handset on the console.
(2) ATTCON
(3) DLC card
START
A
CHECK
REPLACE
CHECK
FAULT DIAGNOSIS AND TROUBLESHOOTING
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