Lincoln Electric POWER WAVE S350 Service Manual page 82

F-34
POWER FACTOR CONTROL BOARD TEST PROCEDURE (continued)
J24
J25
LED # COLOR
2 GREEN 15 VDC POWER SUPPLY FUNCTION PROPERLY WHEN ON
1 RED ERROR CODE (LED WILL FLASH ERROR AND BUZZER WILL SOUND)
SEE TABLE BELOW FOR DETAILS
• Pause before repeating the code: 3.5 seconds
• Pause between digits of the code: 1.5 seconds
• Pause between sounds/flashes indicating a specific digit: 0.5 seconds
ERROR
331
334
335
336
337
346
TROUBLESHOOTING AND REPAIR
FIGURE F.11 – PFC CONTROL BOARD PLUGS
J23
LED 1
BUZZER
G5915 PFC CONTROL BOARD P.C. BOARD
ERROR CODE
POWER WAVE ® S350
J26
J27
LED 2
FUNCTION
EXPLANATION
PEAK INPUT CURRENT LIMIT
START UP CURRENT CHECK FAILURE
START UP VOLTAGE CHECK FAILURE
THERMAL FAULT (NO FIRST STAGE FAN)
PRECHARGE TIMEOUT
TRANSFORMER PRIMARY OVERCURRENT
F-34