Drive Output Circuit Error; Motor Will Not Run - GE Fuji Electric AF-300 MICRO-SAVER II Instructions Manual

( 8 ) Drive output circuit error

Er7
Yes
Are terminals U, V and W
not yet connected or open?
No
Yes
Is BX-CM signal ON/CLOSED?
No
Yes
Was an operation com-
mand input or was the
STOP key pressed during
tuning?
No
No
Is data F_70 and F_71
correct?
Yes
Contact GE Fuji Electric.
8-8
Connect or replace the wiring.
Turn BX-CM signal OFF/OPEN.
Do not operate any key and
control circuit terminal during
tuning.
Set the correct data.

( 9 ) Motor will not run.

The motor
will not run
Is the CHARGE
"CRG" Lamp on?
Yes
Check the display
Is the digital
Yes
contents and press
display indicating
the reset switch
a protection
after the failure is
function operation?
corrected.
When there is no
Local or remote
abnormal condition
operation?
continue operation.
Yes
Local
Will the motor run if
No Has FWD or
Keypad RUN key is
REV
pressed?
command signal
been applied?
No
Yes
Set the frequency
Has the frequency
by pressing key No
set signal (0 to ±
or key.
10V or 4 to 20mA)
Yes been input?
Will the motor run if
Yes
Keypad is
No
pressed?
Is high limiter or
frequency set
signal below the
Yes
Set the correct
starting frequency?
frequency.
Do the output
Possible Drive
terminals (U, V, W)
failure. Contact GE No
have applied
Fuji Electric.
voltage?
Yes
Is the wiring to the
motor connected
properly?
Yes
Is the load too Has the torque
large? boost value been
correctly set?
No
Failure in
Increase or de-
electric motor.
crease the torque
boost value.
Motor will not run under these conditions:
BX coast to stop command ON/CLOSED.
Wrong setting at one of F_71, 72, 73, 75, or 76. When F_08 torque boost setting is 00 or F_69 torque vector control is active
while using the wrong capacity motor (F_70, 75, 76.)
Has the power
Turn the power
No No
supply circuit
supply circuit
breaker or contactor
breaker or
been turned on?
contactor to on.
Yes
Check for the
presence of low
Is the voltage of the
No
voltage, missing
power terminal
phase, improper
L1,L2, L3* correct?
connection, failure
Yes
input line circuit
No
breaker or AC line
contactors.
L3* Not supplied on 1 phase drives.
Remote
Is the wiring
Poor contact in
No Yes
between FWD, or
switch or relay.
REV-CM terminals
connected
correctly?
Yes
No
Is the wiring
No
between Terminals
No
13, 12, 11 and C1
Yes
connected
correctly?
Yes
Replace the fre-
quency reference
voltage or current
No
source and check
for ground in
reference circuit.
Yes
No Correct wiring.
Yes Release the
Has the motor Yes
been locked? lock.
No
No
Decrease the load
or increase the
Drive capacity.
8-9