Correcting Malfunctions
T
roubleshooting
Force EZ-C Series Service Manual
7-3
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
1.
Disconnected power cord, faulty
wall receptacle, or faulty power
cord
1.
Check power cord connections (generator and
wall receptacle). Connect the power cord to a
functional receptacle. If necessary, replace the
power cord.
2.
Fuse drawer is open or fuses are
blown
2.
Close the fuse drawer. If necessary, replace
the fuse(s). Fuses should be 4.0 A (220–240 V
operation) or 8.0 A (110-120 V operation).
Refer to
Fuses
in Section 8.
3.
Loose or disconnected internal
cables
3.
Check all internal connections.
4.
Faulty power entry module or
connections
4.
Check the power entry module and its cable
connections.
5.
Faulty low voltage power supply
5.
Check the low voltage power supply.
6.
Damaged Control board
connectors and/or malfunctioning
Control board
6.
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
in Section 8.
7.
Shorts or disconnects on Power
Supply/RF board
7.
Check the Power Supply/RF board for shorts
or disconnects.
8.
Faulty power switch
8.
Replace the power switch. Refer to
Front
Panel Power Switch
in Section 8.
9.
Malfunctioning front panel
components
9.
Replace the front panel assembly. Refer to
Front Panel
in Section 8.
