Lincoln Electric SVM200-A Welder User Manual


 
FMD CONTROLLER
HORIZONTAL
MOUNTING
SHELF
FMD (HELMET)
DOOR
FIGURE F.5 – FMD LOCATION
FACE MOUNTED DISPLAY (FMD) CONTROL UNIT TEST (continued)
TROUBLESHOOTING AND REPAIR
F-24 F-24
VRTEX
TM
360
TEST PROCEDURE
1. Disconnect the input power.
2. Perform the Monitor and Pedestal Removal
Procedure.
3. Perform the Case Cover Removal Procedure.
4. Connect the input power.
5. Power up the machine.
6. Locate the FMD Control Unit. See Figure F.5.
7. Check to make sure the red LED on the Control
Unit is lit. See Figure F.6. If the red LED is not
lit, make sure the FMD power switch is in the
“ON” position. Not all units have an “ON”
switch.
8. Verify that the FMD Control Unit is receiving 5
VDC from the 5 volt power supply. If not, check
for loose or faulty connections between the 5
volt supply and the FMD control unit. See
wiring diagram.
ELECTRIC SHOCK can kill.
• Have a qualified individual
install and service this equip-
ment.
• Turn the input supply power OFF at the discon-
nect switch or fuse box before working on this
equipment.
• Do not touch electrically hot parts.
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WARNING
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