User Interface And Remote Interface Board Locations - Lincoln Electric POWER WAVE S500 Service Manual

F-26
OPTIONAL USER INTERFACE KIT TEST (continued)
FIGURE F.7 – USER INTERFACE AND REMOTE INTERFACE BOARD LOCATIONS
OPTIONAL REMOTE
INTERFACE BOARD
PROCEDURE
WARNING
ELECTRIC SHOCK
• Do not touch electrically live
parts or electrodes with your
skin or wet clothing.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
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1. Remove the input power to the Power Wave
S500 machine.
2. Perform the Case Cover Removal and
Capacitor Discharge Procedure.
3. Locate the Optional User Interface Kit Boards.
The User Interface Board is located on the front
panel of the machine. See Figure F.7.
Remote Interface Board is located on the
underside of the roof panel.
4. Carefully apply the correct input power to the
Power Wave S500 machine.
®
TROUBLESHOOTING AND REPAIR
can kill.
The
POWER WAVE
OPTIONAL USER
INTERFACE BOARD
5. Locate Plugs J114, J111, J112 and J115 on the
Remote Interface Board. See Figure F.8. Also
locate Plug J115 on the User Interface Board.
See Figure F.9. See Wiring Diagram.
6. Carefully check for the expected voltages per
Table F.8 and Table F.9.
7. If the correct input voltages are being applied to
the Remote Interface Board and the correct out-
puts are not being generated, the Remote
Interface Board may be faulty.
8. If faulty, replace the Remote Interface Board.
®
9. If the correct voltages are present remove the
input power and perform the resistance tests
per Table F.10. Also see the Wiring Diagram.
10. Perform the Case Cover Replacement
Procedure.
11. Perform the Retest After Repair Procedure.
® S500
F-26