24
Model No: AC-W17CL
Version 1.0
No.
Symptom
Cause
Remedy
3
Failure of motor to run to
the normal speed
1. A too low supply voltage
2. Primary winding
short-circuited or
incorrectly wired.
3. Bearing damaged or
inadequately lubricated.
4. Shaft bent.
5. Starting switch remaining
closed.
6. A too high load.
1. Adjust the supply voltage to
the rated value.
2. Correct the end wiring or
replace the winding.
3. Replace the bearing or clean
it and renew or replenish
grease.
4. Straighten it.
5. Adjust or repair the switch.
6. Use a motor with greater
capacity.
4
Quick heating of motor
after being started and
even winding burned
1. Primary winding
short-circuited or earthed.
2. Secondary winding
short-circuited or earthed.
3. Primary and secondary
windings displaced each
other by mistake.
4. Contacts of starting switch
failing to open after
starting.
5. A too high or too low load
of motor.
6. Incorrect voltage.
1. Inspect and determine the
fault with a multi-meter.
Repair or replace the
winding.
2. Inspect and determine the
fault with a multi-meter.
Repair or replace the
winding.
3. Measure the resistance or
check the code at the
connections and correct
wiring.
4. Measure the total current or
secondary circuit current.
Service or replace the
starting switch.
5. Attain proper matching as
per properties of motors.
6. Measure the voltage with
voltmeter and make
calibration.
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