TM 9-6150-226-13
Table 4-3.
UNIT TROUBLESHOOTING (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
USER’S SINGLE-PHASE (120 V) EQUIPMENT WILL NOT OPERATE AND PHASE INDICATOR
LIGHTS ARE OFF. (cont)
(a) If proper voltage is present, replace cable between center
with phase
indicator lights on
and center with phase
indicator lights off.
(b) If proper voltage is not present, go to step 2.
Step 2.
Check output voltage at circuit breaker connected to output
connector supporting user’s load.
(a) If proper voltage is present, replace output connector
(refer to para 4-15).
(b) If proper voltage is not present, replace circuit breaker
(refer to para 4-14).
3.
USER’S 3-PHASE (208 V) EQUIPMENT WILL NOT OPERATE AND
LIGHTS ARE ON.
Step 1.
Step 2.
Step 3.
Use a multimeter and check for correct
universal adapter.
ALL PHASE INDICATOR
output voltage at
(a) If correct voltage is present, advise user that his
equipment is faulty.
(b) If correct voltage is not present, go to step 2.
Disconnect universal adapter input cable, use a multimeter and
check for correct output voltage.
(a) If correct voltage is present, go to step 3.
(b) If correct voltage is not present, go to step 4.
Check for continuity between universal adapter terminal lugs and
connector pins (see Table 4-7).
If continuity does not exist, repair universal adapter
connector (para 4-21).
4-11
