Lincoln Electric FlexCut 200 Service Manual page 45

LINCOLN ELECTRIC
DESCRIPTION
INPUT POWER TO
SWITCH BOARD
CAN
COMMUNICATION
CAN
COMMUNICATION
CAN
COMMUNICATION
FAN SUPPLY
VOLTAGE FROM
AUXILIARY
TRANSFORMER (T2)
FAN SUPPLY
VOLTAGE FROM
AUXILIARY
TRANSFORMER (T2)
RECTIFIED AND
FILTERED INPUT
VOLTAGE
POWER SUPPLY TO
PILOT BOARD
POWER SUPPLY TO
PRESSURE SENSE
BOARD
POWER SUPPLY TO
ARCLINK I/O BOARD
Table F.9 – Switch board voltage tests
TEST POINT TEST POINT
(POS)
PLUG J19 PIN 3 PLUG J19 PIN 4
(LEAD 51B) (LEAD 52B)
PLUG J21 PIN 1 PLUG J21 PIN 2
(LEAD 54A) (LEAD 53A)
PLUG J19 PIN 1 PLUG J19 PIN 2
(LEAD 54E) (LEAD 53E)
PLUG J20 PIN 1 PLUG J20 PIN 2
(LEAD 54D) (LEAD 53D)
PLUG J26 PIN 1 PLUG J26 PIN 2
(LEAD 31B) (LEAD 31A)
PLUG J26 PIN 1 PLUG J26 PIN 2
(LEAD 31B) (LEAD 31A)
B209 (+)
PLUG J28 PIN
PLUG J28 PIN 8
16
(LEAD 288)
(LEAD 296)
PLUG J22 PIN 2 PLUG J22 PIN 7
(LEAD 222) (LEAD 227)
PLUG J20 PIN 4 PLUG J20 PIN 3
(LEAD 52D) (LEAD 51D)
EXPECTED
(NEG) READING
40 VDC
2 VDC
2 VDC
2 VDC
115 VAC
0 VAC
535 VDC TO
815 VDC
DEPENDING
UPON THE
B207 (–)
INPUT
VOLTAGE
(380 VAC TO
575 VAC)
15 VDC
5 VDC
40 VDC
FlexCut® 200 Service Manual
CONDITION
MACHINE ON.
MACHINE ON.
MACHINE ON.
MACHINE ON.
FAN NOT ACTIVATED. IF 115VAC
IS NOT PRESENT, PERFORM THE
AUXILIARY TRANSFORMER (T2)
TEST PROCEDURE.
FAN ACTIVATED
CORRECT INPUT POWER TO
MACHINE AND PRE-CHARGE
COMPLETED. IF NOT CORRECT,
PERFORM THE INPUT RECTIFIER
(D1) TEST PROCEDURE.
MACHINE ON.
MACHINE ON.
MACHINE ON.
40