Lincoln Electric SVM101-B service manual Retest After Repair, OCV at rated Input V300-PRO, Output

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F-62 TROUBLESHOOTING & REPAIR F-62

RETEST AFTER REPAIR

Should a machine under test be rejected for any reason requiring the removal of any mechanical part that could affect the machine’s electrical characteristics, or if any electrical components are repaired or replaced, the machine must be retested.

NOTE: 50 Hz machines may be tested using 60 Hz power.

INPUT IDLE AMPS AND IDLE WATTS

Input		Single Phase			Three Phase
Volts/Hertz		Max. Amps	Max. Watts	Max. Amps		Max. Watts
220/50 or 60	2.75		425	2.75			425
230/60	3.00		450	3.00			450
440/50 or 60	1.38		425
460/60	1.50		450
380/50 or 60	1.67		425
575/60		—	—
OCV at rated INPUT: V300-PRO,V300-I				60-75V
MAXIMUM ACCEPTABLE OUTPUT AMPS (AT MINIMUM OUTPUT SETTINGS)
Output
Min. (Max. acceptable), all machines:
CC modes		12A @ 10V.	(GTAW, SOFT, CRISP)
CV modes		20A @ 19V.	(FCAW, GMAW)
OUTPUT MINIMUM ACCEPTABLE VOLTS (AT MAXIMUM OUTPUT SETTINGS,
		WITH FULL LOAD)
Min. Acceptable,
Max. — All Modes		V300-I			V300-PRO
1 phase @ 200A		380V	220/440V	208V	230/460V		575V
		—	38V	—	38V		36V
3 phase @ 300A		32V	36V	34V	38V		36V
		AUXILIARY TRANSFORMER — 50 Hz or 60 Hz
		TEST POINTS				RANGE
18 VAC winding to Power Board J7 pins 5 and 6 Welding						17-20 VAC
terminals sw. remote
24 VAC winding to Control Board J2 pin 4 to lead 212						23-26.5 VAC
STANDARD CODES: (Test at Amphenol)
24 VAC without load, measure across pins C and D						22-25 VAC
42 VAC without load, measure across pins I and K						39-44 VAC
115 VAC without load, measure across pins A and J						109-120 VAC

V300-I