380v 2200w 1100rpm HFM054 bldc brushless dc motor for industrial fans
Negotiable
Min.Order:1
Ningbo Haofeng Magnet Technology Co., Ltd.
310vdc 1500w 3500rpm HFM057 brushless dc bldc motor for automatic door equipment
500w 900w 5000w 12v 48v doubl shaft controller electric brushless dc motor with esc
Custom 500w 4kw 60w 12v bldc slotless brushless high rpm starter dc motor 10000rpm with controller
Custom high torque powerful 500w 800w 4000 rpm 2kw 3kw 24v electric brushless dc motor 3000w
Custom high power 800rpm 50w 60w 4kw 24v 12v slotless brushless dc starter motor winch 10000rpm
Custom nice price 4000 rpm 2kw 500w 800w 3kw electric brushless dc motor 24v 2000w 3000w
VIEW MORE PLS CONTACT US >>>
Q:Motor has been running then fails to start,what to do?
A:Likely cause: Fuse or circuit breaker is tripped.
What to do: Replace the fuse or reset the breaker.
Likely cause: Armature is shorted. Motor may make a humming noise and the circuit breaker or fuse will trip.
What to do: Disassemble motor and inspect the armature for a burnt coil. Inspect the commutator for burnt bars. If this condition exists, the motor needs to be replaced.
Likely cause: The brushes may be worn down too far and no longer make contact with the commutator.
What to do: Check the brushes to make sure that they are still making contact with the commutator. Contact manufacturer for brushes.
Likely cause: Controller may be defective.
What to do: Verify voltage is coming out of the controller.
Q: On initial installation, motor fails to start up,what to do?
A: Likely cause: Motor is incorrectly wired
What to do: Verify that the motor is wired correctly.
Likely cause: No output power from controller.
What to do: Measure voltage coming from the controller.
Likely cause: Motor is damaged and the armature is rubbing against the magnets.
What to do: Disassemble motor and see if the armature can be realigned by reassembly. Motor may have to be replaced.
Q: Motor takes too long to accelerate,what to do?
A: Likely cause: Motor controller not properly set.
What to do: Adjust the acceleration trim pot of the controller.
Likely cause: Brushes are worn.
What to do: Verify brush length.
Likely cause: Bearings may be defective.
What to do: Inspect bearings. Noisy or rough bearings should be replaced.
Q: Motor runs in the wrong direction,what to do?
A: Likely cause: Incorrect wiring
What to do: Interchange the two motor leads.
Q: Motor runs OK but has a clicking noise,what to do?
A: Likely cause: Suspect a burr on the commutator.
What to do: Remove burr from commutator using a commutator stone.