NEC UNIVERGE NEAX 2000 IPS, Maintenance Manual

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CHAPTER 2 TROUBLESHOOTING
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NWA-008847-001 Rev.3.0
a6ch2001.fm
OPERATION LCD DISPLAY
(10) Depress function key 17.
• The green lamp will light.
• The ringer will sound.
(11) Depress function key 17 again.
• The green lamp will turn red.
(12) Depress function key 17 again.
• The red lamp will go off.
(13) Repeat above steps (10)-(12) for other
function keys 18, 90, 91.
(14) Depress function key 92.
• The red lamp will light.
• The ringer will stop.
(15) Depress function key 92.
• The red lamp will go off.
(16) Depress function key 93.
• The red lamp will light.
(17) Depress function key 93 again.
• The red lamp will go off.
(18) Depress function key 94.
• The red lamp will light.
(19) Depress function key 94 again.
• The red lamp will go off.
(20) Depress function key 95. All lamps will
turn green, red and will go off each at an
interval of 1 second.
B
A
** FUNC 17 **
ATT SELF TEST MODE
** FUNC XX **
ATT SELF TEST MODE
XX shows 18, 90, 91
012345 ................................. XYZ
012345 ................................. XYZ
012345 ................................. XYZ
012345 ................................. XYZ
.............................................
.............................................
.............................................
.............................................
** FUNC 95 **
ATT SELF TEST MODE
FAULT DIAGNOSIS AND TROUBLESHOOTING