Specifications

A18
poor connections.
3. Load too high. 3. Check load motor is carrying at
start-replace with larger motor.
MOTOR 1. Excess Loading; high 1. Reduce load. Increase
TAKES TOO inertia load. motor size.
LONG TO 2. Inadequate wiring. 2. Increase wire size. Check for
ACCELERATE poor connections.
3. Applied voltage too low. 3. Reconnect to a higher
transformer tap. Increase wire
size. Check for poor connections.
4. Defective motor. 4. Repair or replace.
5. Inadequate starting torque. 5. Replace with higher
horsepower motor.
MOTOR 1. Motor mis-aligned. 1. Realign.
VIBRATES 2. High voltages. 2. Check wiring connections,
OR IS transformer.
EXCESSIVELY 3. Worn, damaged, dirty or 3. Replace, check loading and
NOISY overloaded bearings. alignment.
4. Loose or defective or 4. Tighten set screw(s); repair or
out-of-balance air mover. replace.
INSUFFICIENT 1. Insufficient motor load. 1. Use a lower horsepower motor.
SPEED 2. Reduce system restrictions
CHANGE (blower). Increase system
restriction (propeller fan).
MOTOR 1. Overload. 1. Reduce load; increase motor size.
OVERHEATS 2. Dirt preventing ventilation. 2. Clean motor.
WHILE 3. Faulty connection. 3. Clean, tighten or replace.
RUNNING 4. High or low voltage. 4. Check voltage at motor, should
UNDER LOAD not be more than 10% above or
below rated.
5. Defective motor. 5. Repair or replace.