TM 5-6675-325-14
Table 1-2.
TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
NO ELECTRICAL POWER TO SECTION.
WARNING
Death or serious injury may result.
Do not perform any electrical mainte-
nance or make electrical connections or disconnections at main power recep-
tacle when power cable is energized.
Step 1.
Observe voltage and frequency for phases A, B, and C. Read 115
±5 V,60 ± 1 Hz.
(a) If voltage and frequency are correct, proceed to step 2.
(b) If volt
supervi
Do not energize section
to equipment may result.
age and frequency are incorrect, notify power supply
sor.
CAUTION
if voltage or frequency is not correct. Damage
Step 2.
Press phase test switch on power panel for A, B, and C.
(a) If phases A, B, and C are correct, proceed to step 3.
(b) If incorrect phase lamp 1ights, notify power supply
supervisor.
CAUTION
Do not energize section if incorrect phase
may result.
Step 3.
Check safety switch position.
lamp lights.
Damage to equipment
(a) If safety switch is on, proceed to step 4.
(b) If safety switch is off, turn on.
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