TM 9-6115-650-14&P
Table 4-2. Troubleshooting.
Malfunction
Test or Inspection
Corrective Action
1. POWER IS ABSENT AT SWITCH BOX LOAD TERMINAL(S) WHEN ONE GENERATOR SET IS
OPERATING.
Step 1. Check that generator set circuit breaker is set to ON position.
If circuit breaker is in OFF position, set to ON position.
Step 2. Check for power output at generator set load terminals.
If power is absent at generator set load terminals, troubleshoot
generator set. (Refer to TM 5-6115-585-12).
Step 3. Inspect power cable connections inside switch box for looseness or broken wire terminals.
Tighten loose connections. If any wire terminals are broken, replace
cable (paragraph 4-25, d.) or refer to higher level of maintenance for
repair.
Step 4. Perform continuity check on associated generator set power cable (paragraph 4-23, a.).
If cable is defective, replace cable (paragraph 4-25, d.) or refer to higher level of
maintenance for repair.
Step 5. Perform continuity check on rotary switch (paragraph 4-23, c.).
If switch is defective, notify higher level of maintenance.
2. POWER IS ABSENT AT ONE OR MORE SWITCH BOX LOAD TERMINALS WHEN EITHER
GENERATOR SET IS OPERATING.
Step 1.
Step 2.
Check wire associated with non-functioning load terminal(s) for looseness or broken terminals
inside switch box.
Tighten loose connection(s). If any terminals are broken, replace wire (paragraph
4-25, c.).
Perform continuity check on wire from switch to non-functioning load terminal(s) (paragraph
4-23, b.(2)).
Replace defective wire(s) (paragraph 4-25, c.).
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