Lincoln Electric 10372 Service Manual page 105

F-41
UXILI RY TR NSFORMER NO. 1 TEST ( ontinued)
7. Carefully apply the correct input volt-
age to the Power Wave 455 and check
for the correct secondary voltages per
Table F.3.
NOTE: The secondary voltages will vary if
the input line voltage varies.
8. If the correct secondary voltages are
present, the T1 auxiliary transformer is
functioning properly. If any of the sec-
ondary voltages are missing or low,
check to make certain the primary is
configured correctly for the input volt-
age applied. See wiring diagram.
TROUBLESHOOTING ND REP IR
T BLE F.3 — SECOND RY VOLT GES.
LE D IDENTIFIC TION
X1 to X2
X3 to X5
X3 to X4
POWER W VE 455/POWER FEED 10
NORM L EXPECTED
VOLT GE
52 VAC
115 VAC
24 VAC
W RNING
High voltage is present at primary of
uxiliary Transformer.
9. If the correct input voltage is applied to
the primary, and the secondary volt-
age(s) are not correct, the T1 trans-
former may be faulty.
10. Install the case sides and top using the
3/8 in. nutdriver.
F-41