Alpha ALPHA6000 Series, Руководство пользователя

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Chapter6 Troubleshooting
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same(26 or 27) to make D0, Y1, Y2 be an
available combination
6.3 Motor’s faults and corrective measure
If the motor has one of the following faults, please find the reason and take
corresponding corrective measure. Seek for tech support if the measure does not work.
Table 6-3 Motor fault and corrective measure
Fault Content of checking Corrective measure
Whether the power supply
connect to terminals R, S, T.
Whether charge LED lit
● Turn on the current
● Cut the current and then turn
on again
● Check voltage of power
supply
● Be sure the bolts fasten
terminals firmly
Use a rectifying voltmeter to
test whether the voltage of
terminals U, V, W is correct
● Cut the current and then turn
on again
Whether the motor is locked
for over loading ● Reduce the load and remove
the lock
Is there any fault code
displayed on the keyboard?
Is indicator TRIP flashing?
● Fault code referred in Table
6-1
Is there any running command
● Check whether operating
terminal connection and
connection between 24V and
PLC are firm
Whether prohibit reverse
operation setting is according
with running direction. ● Set reverse operation enable
or change the direction order
of motor
Whether terminals operating
signal cut first and then close
after fault. ● Cut terminals operating
signal first and then close
Whether frequency reference
voltage has been given by
analog input
● Check frequency reference
voltage
The motor
doesn’t work
Whether the setting of run
command mode selection is
correct
● Select correct mode
Motor’s
rotation Whether the connection of
terminals U, V, W is correct ● switch the motor’s
connection of terminals U, V,