Conversions: DLP-517 363-205-401
Page 2 of 2 Issue 7, March 1997
4.
NOTE:
If fans are running, it will be necessary to remove power to the fans by
unplugging J114 to fan assembly before obstructing fan blade. The
power should be restored before testing the fan alarm. The
4( )
type fans
can be stopped by pressing the
LED TEST/CHANGE FAN SPEED
pushbutton.
When fans are not running at the RT, insert an obstruction (screwdriver, pen-
cil, etc, not your finger) between the fan blades. Start fans by depressing and
holding the
FAN TEST
pushbutton on the fan control unit (
FCU
) or
4( )
Cool-
ing Shelf
LED TEST/CHANGE FAN SPEED
pushbutton.
Response: At
5ESS
switch MCC IDCU RT Page 188YZZ,X for 5E9(1)
generic or Page 1880,Y,ZZ,X for 5E9(2) generic (where
Y=IDCU, ZZ=TR303 RT number, X=SM number)
MINOR
alarm message appears after about 30 seconds.
At RT,
ADU
indicators
MN
and
NE
light after about 30 sec-
onds.
5. Remove fan blade obstruction. Then disconnect and reconnect J114 fan
power plug to reset the alarm in the
2A
fan.
Response: Alarms clear after 30 seconds.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
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