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At the terminal, type:
7.
rept-stat-trbl
Result: The terminal will show:
0055.0302 * SYSTEM
MINORLED is lit.
Fan Verification: On the front of the fan unit, toggle the fan switch to the ON position
8.
(switch to FANSON).
Result: The fans are running and the MINORLED is not lit. Terminal reports alarm:
# 303 Cooling Fan Normal
.
Note:
The normal setting for the fan unit is ON.
Move to the rear of the frame and remove the A POWER cable from the FAN unit.
9.
Result: The fans stop running and the MINORLED is lit.
At the system terminal enter the command:
10.
rept-stat-trbl
This step is repeated for each fan. Test each fan to ensure that the alarm and the units
are working correctly. Result: The terminal reports:
# 302 Cooling Fan Normal
Replace the A POWER cable on the back of the FAN unit and secure the connector.
11.
Result: The fans are running and the MINORLED is not lit.
Terminal reports alarm:
.
Remove the B POWER cable from the FAN unit.
12.
Result: The B powered fans stop running and the MINORLED is lit.
At the system terminal enter the command:
13.
rept-stat-trbl
Test each fan to ensure that the alarms and the unit is working correctly. Result: The
terminal reports:
#
302 Cooling Fan Failure.
Cooling Fan Failure
# 303 Cooling Fan Normal
Chapter 6
Fan Assembly Installation and Cabling
6-51
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