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TM 9-2320-391-10
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0069 00
ELECTRICAL SYSTEM Continued
Table 5. Electrical System Troubleshooting Procedures Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
125. M1079A1
3. Check to see if
1. If blackout lights do not
EMERGENCY
blackout lights
illuminate, perform
LIGHT(S) DOES
illuminate (WP 0031
malfunction 129, M0179 A1
NOT ILLUMINATE -
24 VDC Binding Posts Do Not
Continued
Operate.
2. If blackout lights do
illuminate, notify Field
Maintenance.
126. M1079A1 FIELD
1. Check to see if field
1. Install field telephone on
PHONE 1 AND/OR
telephone operates
PHONE 1 field binding posts
2 BINDING POST
on PHONE 1 field
DOES NOT
telephone binding
OPERATE
post.
2. If field telephone does not
operates on PHONE 1 field
telephone binding post, notify
Field Maintenance.
3. Remove field telephone on
PHONE 1 field binding posts
2. Check to see if field
1. Install field telephone on
telephone operates
PHONE 2 field binding posts
on PHONE 2 field
telephone binding
post.
2. If field telephone does not
operates on PHONE 2 field
telephone binding post, notify
Field Maintenance.
3. Remove field telephone on
PHONE 2 field binding posts
127. M1079A1 AIR
1. Check to see if
If fluorescent lights do not
CONDITIONER
fluorescent lights
illuminate, perform
DOES NOT
illuminate (WP 0031
Malfunction 131 (110 VAC
OPERATE
Power Does Not Operate).
0069 00-125
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