Correcting Malfunctions
6-4 Force FX-8C Service Manual
Correcting Malfunctions
If a solution is not readily apparent, use the table below to help identify
and correct specific malfunctions. After you correct the malfunction,
verify that the generator completes the self-test as described in Section 5.
Situation Possible Cause Recommended Action
Generator does not
respond when turned on
Disconnected power cord, faulty wall
receptacle, or faulty power cord
Check power cord connections (generator and wall
receptacle). Connect the power cord to a functional wall
receptacle. If necessary, replace the power cord.
Fuse drawer is open or fuses are blown Close the fuse drawer. If necessary, replace the fuse(s).
Refer to Fuse Replacement in Section 7. If a problem
persists, use a backup generator.
Loose or disconnected internal cables Check all internal connections.
Faulty power entry module or connections Check the power entry module and its cable
connections.
Faulty low voltage power supply Check the low voltage power supply.
Damaged control board connectors and/or
malfunctioning Control board
Remove the Control board and inspect the connectors to
the Power Supply/RF board and to the Display board for
damage, poor seating, etc.
If the problem persists, replace the Control board. For
instructions, refer to Control Board Replacement in
Section 7.
Shorts or disconnects on Power Supply/
RF board
Check the Power Supply/RF board for shorts or
disconnects.
Faulty power switch Replace the power switch. Refer to Front Panel Power
Switch Replacement in Section 7.
Malfunctioning front panel components Replace the front panel assembly. Refer to Front Panel
Replacement in Section 7.
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