TM 10-4610-241-24
TO 40W4-13-42
Table 3-1. Direct Support Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ROWPU ASSEMBLY - continued
3.
ITEM PLUGGED INTO UTILITY RECEPTACLE DOES NOT WORK.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
WARNING
High voltages in this equipment can cause serious injury or death. When applying power
during a test, take proper measures to ensure safety of personnel. Never work on
electrical equipment unless there is another person nearby who is familiar with the
operation and hazards of the equipment.
Remove item, connected to outlet, and check if RESET button on electrical outlet is IN.
If reset button is popped out, reset circuit by pressing IN. If it pops again, replace outlet assembly. Refer to
Paragraph 2-73.
Check for 115 VAC at outlet.
If 115 VAC is measured, troubleshoot item disconnected from outlet.
Check if 208 VAC, three phase power is available at generator output lugs.
If power is not available, refer to power source manual.
Check for 115 VAC at power cable P1 (P10 on Models WPES-20 and H-9518-2) between pins N (ground)
and B.
If power is not available, repair generator cable assembly. Refer to Paragraph 3-28.
Perform a point-to-point continuity check of power circuit.
a.
If continuity is absent through circuit breaker CB8 (CB8 ON), replace CB8. Refer to Paragraph 3-53.
b.
If continuity is absent between external connections of UTILITY OUTLET receptacle, J7 and
corresponding outlet contacts, replace outlet assembly. Refer to Paragraph 2-73.
c.
If continuity is absent in wiring, tighten loose connections or repair/replace defective wire.
3-8 Change 1
