-71-
7- segment
monitor
display
Alarm
descripation
Check points
Actions
oCPd
Momentary overload
during deceleration
Excessive deceleration rate with
GD
2?
setting for current limiting
function (F1701) too high?
Extend the deceleration time.
Decrease the setting value.
oLA
Overload during
acceleration
Motor operated with an excessive
load?
Electrothermal level set properly?
Load GD
2
too larger?
Reduce the load.
Increase the capacity of Inverter and
Motor.
oLn
Overload during
constant speed
oLd
Overload during
deceleration
ouA
Overvoltage during
acceleration
Whether start-up occur during
idle run.
Change to flying start mode.
oun
Overvoltage during
constant speed
Whether motor is turned by
Other force?
Redesign the system so that the motor is not
driven by external force.
Use a brake resistor with a larger capacity.
oud
Overvoltage during
deceleration
Excessive deceleration
Extened the deceleration time.
(so that GD
2
of the load is met)
ouP
Brake resistor
overvoltage
protection
Whether the frequency of
braking is too high?
Reduce the braking frequency.
Increase the brake resistor capacity.
GAL1
Disconnection of
feedback signal cable
(during PID control
action)
Feedback signal cable
disconnected?
Feedback signal correct?
Gain frequency correct?
（
F1402
、
F1404
）
Checking feedback signal cable and connected
securely.
Set gain frequency properly.
（
F1402
、
F1404
）
