(2) Check whether the connections inside the amplifier have been
made improperly and whether any screws are loose.
3)
ovc
(1) Check whether a higher current than the rating is flowing to
the motor.
(2) Check that the AX04 card settings have been made properly.
4)
TGOV
(1) Check that the AX04 card settings have been made properly.
(2) Check that the TG voltage is
while the motor has stopped.
5)
NSG
(1) Use a synchroscope to measure whether the resolver feedback
voltage is
l
l
l
(2) When the voltage is
check the cables and connectors.
(3) When the voltage is lower,
to adjusttheCH16
voltage to
6)
PUAL
(1) Check out the power unit.
(2)
Refer to page 36 for the alarm displays
7)
FOH
(1) Check that none
been damaged.
of the amplifier's power transistors have
l
l
-34-
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