Best E5 Series User Manual page 191

E5 User Manual
display
Motor
no
rotation
Keypad has no
display but inside
charging light is on
Cooling fan doesn't
work
Motor drone
Non anomaly
observed
Motor fails to accelerate and
decelerate successfully
Motor rotating speed is too
high or too low
on input power supply, whether input power supply isn't
wired correctly.
Check whether there is any problem on relative wiring and
sockets of keypad.
Measure all the controlling power supply voltages inside the
inverter to ensure the switching power supply is in normal
working condition.
If switching power supply does not work normally, check
switching power supply inlet wire (P, N) socket whether are
connected well, whether starting resistor is damaged or
whether VR-tube is normal.
Switching power supply or rectifying circuit is damaged.
Needs factory repair.
Excessive motor load. Manage to decrease it.
Check:
Whether it is in trip condition or hasn't reset after tripping,
Whether in restarting after power-down condition;
Whether keypad is has been reset, whether it has entered
into program running state, multi-section speed condition,
running condition or non-running condition which is set.
Please try factory reset.
Ensure whether running command has been sent out.
Check whether running frequency is set as 0.
Improper setting for acceleration & deceleration time;
Current limit is set too small;
overvoltage protection is initiated while decelerating;
Improper setting for carrier wave, excessive load or
oscillation occurs.
Improper V/f characteristic setting;
False V/f characteristic datum choice. Reset it;
Motor rated voltage is irregular or beyond standard;
Power supply voltage is too low;
Frequency setting signal gain is not set correctly;
False setting for output frequency.
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Chapter 6 Trouble Shooting Easures