TM 10-4610-239-24
TM 08580B-24/3
Table 3-1 Direct Support Troubleshooting -
(Continued)
Malfunction
Test or Inspection
Corrective Action
ROWPU ASSEMBLY - Continued
2.
ITEM PLUGGED INTO UTILITY RECEPTACLE DOES NOT OPERATE Conti nued
Step 3.
Check for 110 V ac between two rectangular pins of J7.
If 110 V ac is present, troubleshoot item that was plugged into J7.
Step 4.
Shut down ROWPU. Refer to TM 10-4610-239-10. Shut down power. Refer to
terminal board TB4-1.
If check does not indicate continuity, repair black wire lead. Refer to
3.
PANEL LAMP FAILS TO LIGHT
WARNING
Electrical high voltage can cause serious injury or death. Some tests performed in
troubleshooting require power to be connected. Always take proper measures to ensure
personal safety.
NOTE
Refer to figure FO-3 for schematic diagram and figure FO-4 for interconnection diagram.
diagram, and figure 3-3 for ROWPU support diagram.
Step 1.
Set PANEL LIGHT switch to OFF. Remove guard, globe, and socket from panel
INDICATOR LIGHTS. Check for 110 V ac between two terminals of socket.
If 110 V ac is not present, go to step 2.
If 110 V ac is present, repair panel light assembly. Refer to paragraph
Step 2.
test points E and F.
If check indicates continuity, go to step 3.
3-12