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TROUBLESHOOTING & REPAIR
CONTROL BOARD REMOVAL AND REPLACEMENT (continued)
FIGURE F.17 - CONTROL BOARD LOCATION
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STATUS
THERMAL
LINCOLN
ELECTRIC
WARNING
REMOTE
POWER
ON
OFF
Control Board
PROCEDURE
1.Remove input power to the POWER WAVE 355/405.
2.Using a 5/16” nut driver remove the case wrap- around cover.
3.Perform the Input Filter Capacitor Discharge Procedure detailed earlier in this section.
4.Locate the control board behind the front panel of the machine. See Figure F.17.
5.Using a 5/16” nut driver remove the two screws from the bottom of the front of the machine. See Figure F.18.
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FIGURE F.18 CASE FRONT SCREW REMOVAL
STATUS | THERMAL |
Phillips Head |
| Phillips Head |
| Screws | |
Screws | _ | + |
| ||
|
|
5/16"
Mounting Screws
