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TROUBLESHOOTING & REPAIR
SNUBBER RESISTORS TEST (continued)
FIGURE F.12 - REMOVING LEADS
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TEST PROCEDURE
1.Turn off Invertec STT and disconnect main AC input power to the machine.
2.Using the 5/16" nut driver, remove the case wraparound cover.
3.Perform the Input Filter Capacitor
Discharge Procedure. See the Maintenance section.
WARNING
4.Locate and gain access to the switch board.
5.Remove leads from terminals 401/403, 402/404 on the switch board. See Figure F.12.
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ELECTRIC SHOCK can kill.
•Before continuing with the test procedure, perform the capacitor discharge procedure to avoid electric shock.
