Filter
Top Products
TABLE F.15 – LED FUNCTION
TABLE F.16 – FEEDBACK VOLTAGE SIGNALS
MAIN INVERTER BOARD
“WELDING LOGIC AND INVERTER” SECTION TEST (continued)
TROUBLESHOOTING AND REPAIR
F-45 F-45
INVERTEC® V205-T AC/DC™
TABLE F.18 – LED (CHECK IN STICK MODE)
Generator/Mode
ON/STICK
ON/STICK
ON/STICK
ON/STICK
Component
L11
L12
L13
L14
Value
ON AND FLASHING
ON AND FLASHING
ON AND FLASHING
ON AND FLASHING
Generator/Mode
ON/STICK
ON/STICK
ON/STICK
ON/STICK
Component
MF11
MF12
MF15
MF16
G[+],S[-]
3.75 VDC
3.75 VDC
3.75 VDC
3.75 VDC
D[+],S[-]
178 VDC
260 VDC
260 VDC
34 VDC
TABLE F.17 – VOLTAGE CHECKS WITH 115 VAC APPLIED TO MACHINE
Machine/Mode
ON/TIG
Component
TP15-TP14
Value
-2 VDC @ 100A
-4 VDC @ 200A
Condition
WELDING ON:
CURRENT
FEEDBACK
ON/STICK TP16-TP14 4.3 VDC
OPEN CIRCUIT
VOLTAGE
CONDITION
WELDING ON:
VOLTAGE
FEEDBACK
ON/TIG TP19-TP14 2 VDC @ 100A
4 VDC @ 200A
WELDING ON:
CURRENT
REFERENCE
Machine/Mode
ON/STICK
ON
ON
Component
L8
L9
TP31-TP9
Value
-------
-------
2.56 VDC
Condition
ON AND FLASHING
OFF
-------
Note
POT SIGNAL
THERMAL
ALWAYS
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC