NEC NEAX 2000 IPS - Page 238

CHAPTER 2 TROUBLESHOOTING
– 228 – NWA-008847-001 Rev.3.0
a6ch2001.fm
LCD does not display any informa-
tion.
(1) Adjust Display Contrast.
(2) To test the LCD, perform the ATTCON
Self-Test. See “ATTCON Self-Test
Procedure” Page 230.
(1) ATTCON
(2) DLC card
No Tone Ringer (1) System Data Programming for the con-
sole tone ringer: CM60 Y=16, 27
(2) Adjust Ringer Volume on the console.
(3) To test tone ringer, perform the
ATTCON Self-Test. See “ATTCON
Self-Test Procedure”
Page 230.
(1) ATTCON
A
END
CHECK
REPLACE
CHECK
REPLACE
FAULT DIAGNOSIS AND TROUBLESHOOTING