Pfc Control Board Led And Test Points; Pfc Control Board Led Description And Functions; Pfc Control Board Error Codes - Lincoln Electric POWER WAVE S500 Service Manual

F-19
PFC CONTROL BOARD TEST (continued)
FIGURE F.4 – PFC CONTROL BOARD LED AND TEST POINTS
PIN 1
J22
J21
J20
TABLE F.1 – PFC CONTROL BOARD LED DESCRIPTION AND FUNCTIONS
LED NUMBER
1
1
2
3
4
5
ERROR CODE NUMBER
TROUBLESHOOTING AND REPAIR
J23A PIN 16
C4
J23A
FTP9
D9
C5
D5 D6 D7
X1
X2 X3 D10
Q9
Q2
C1 X4
X8
OCI1 OCI2
X18 X19
D27
D26
C13 C14
FTP21
Y2
X31
X13 X14
FTP26
C16
FTP15
X21
Q3 D49
FTP6
FTP38
X26 OCI5
FTP12
FTP11
X27
D36 D33 D35 D38 D34 D37
FTP17
DZ19 D56
X9
C29
D57
DZ20
FTP29
D61
C33
FTP3
LED3 LED4
RED / FLASHING
TABLE F.2 – PFC CONTROL BOARD ERROR CODES
331
334
335
336
337
338
341
346
347
349
POWER WAVE
LED2 J23B
C6
J23B
FTP7
D11
C7 D18 D19 D20
T1
X7
FTP8
D12 X5 X6 Q1
C20
C10
X12
OCI3 OCI4
D28 D29
X17 X16
R257
FTP5
1 LED2
LED5
J2
X20
J1
1
X24
X10
LED1
X25
FTP2
D51
C30
Q8
C31
FTP40
D62
X29 X30 Q7
4
C32 6
D67 D66
Q6
C34
G6860-1
R212
D69
LED1
COLOR
GREEN
RED
GREEN
GREEN
RED
EXPLANATION
Peak input current limit
Start up current check failure
Start up voltage check failure
Thermal fault
Precharge failure
Input power limit
Input voltage drop-out
Transformer primary overcurrent
Average input current limit
Bus undervoltage
® S500
Q10
PIN 1
J24
LED5
1
J25
J26
FUNCTION
Status is OK
Error Code (Blinking)
Fault on "B" side of bridge
-15VDC present
+15VDC present
Fault on "A" side of bridge
F-19