Lincoln Electric POWER WAVE C300 Service Manual page 55

F-36
POWER FACTOR CONTROL BOARD TEST PROCEDURE (continued)
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
TROUBLESHOOTING AND REPAIR
FIGURE F.11 – P.F.C. CONTROL BOARD PLUGS
J23
J24
LED 1
J25
BUZZER
G5915 P.F.C. CONTROL BOARD P.C. BOARD
ERROR CODE
331
334
335
336
337
346
POWER WAVE® C300
J26
J1
J27
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
LED 2
F-36