Question about AO Smith A O Smith Motors Century 1hp 115v Thru - Bolt Lomart Motor - Bv90

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I HAVE A CENTURY LASAR POOL/SPA MOTOR W/ A HIGH AND LOW SPEED USING A TOGGLE SWITCH. ON HIGH THE MOTOR STARTS AND STOPS ABOUT EVERY 1-2 SECONDS. WHAT CAN THIS BE. THE MOTOR IS A 1.5 HP 60 HZ 115 VOLTS 110/2.9 AMPS

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Faulty centrifugal switch, internal, faulty, temp sensor, internal, faulty start run capacitor (If used). bad brushes, (If any) Faulty Winding.

Posted on Feb 03, 2010

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A Century pool spa motor part # 7/177803/02. I have a black, white, red wires. Can someone please tell me how to hook it up to the motor. than you very much


Is this a two speed motor?
motor for a spa pump?
or, are you trying to hook up a capacitor to the motor?
your question is very vague!
if you have a pump connection cord, with the colors you mentioned, did you purposely leave out the fact that there is a Green wire as well?
please be more specific as to the assistance you are seeking.
but if we're intending us to play a guessing game... then if had those colors PLUS a green wire, that would be power supply wires for a TWO speed pump motor, commonly found on SPA pumps.
  • Green will always be Ground.
  • White is your Common Hot LINE WIRE #1
  • Black will be a SWITCHING/TOGGLE Hot LINE WIRE #2
    • Most Commonly a HIGH Speed
  • Red will be a SWITCHING/TOGGLE Hot LINE WIRE #2
    • Most Commonly a LOW SPEED
There will be a decal on the side of the motor telling you which post will be what. If not, the wire up posts will have a letter designations right next to them...
C for Common
H for High
L for Low
green wire will go right onto motor

Aug 25, 2013 | Pool & Spa

1 Answer

I have century lasar pool/spa motor bn50 115volts 16.4/4.4amps 1.5hp 2spd runs on lowspeed but will not run on high speed can it be repaired or what?


I'd start by checking the relay that controls the motor first. Put a meter on it and verify that the high speed terminal is getting voltage. If not, it is the relay or something other than the motor. If the high speed terminal is getting voltage but not kicking on, a fix is possible, but you may want to weigh that against the price of a new motor.

Aug 16, 2013 | AO Smith A O Smith Motors Century 1hp 115v...

1 Answer

My pool motor does not turn when I turn it on it just makes a humming sound. Can it be fixed ? Century LASAR Pool/Spa motor model # SD-20-2N11CD


Probably the capacitor is bad.
It can be replaced.
Do not let motor hum, because motor is getting hot and will burn up pretty quick, or trip the reset.
Call pool company.
Motor resources:
http://waterheatertimer.org/Color-codewire.html#motor

Apr 18, 2013 | Pool & Spa

1 Answer

Wiring diagram for century pool pump motor model b977


check on side of motor should show low and high voltage wiring if not email AO smith

Apr 13, 2013 | AO Smith 1.5hp Pool Pump Motor 2 Speed Ao...

1 Answer

Pump runs on low speed but starts and immediatly shuts off when the high speed kicks in


That is an indication that the high speed of your pump has gone out. You can take it to a local motor shop and see if they can rebuild it for you.

Rod
www.uspartscenter.com

Jan 27, 2013 | Century New Magnetek Pool Spa Pump Motor...

1 Answer

My pump works on low speed but not high speed


these are a bear to work on.. there are start switches inside of the motor, and will break if you even look at them wrong.(fragile) you can try compressed air to blow out the trash that might be in the switch..or unhook power cord of the motor from the motherboard and remove the pump and motor from the spa , bring it to your local pool pump moor repair guy with free testing have it tested. if removing wires from motor YOU MUST REINSTALL THEM EXACTLY AS THEY CAME OFF ! OR YOU WILL BURN UP THE expensive 2 speed motor .. jay Florida

Dec 20, 2011 | Pool & Spa

1 Answer

Pump starts switching between high and low by itself for 45 seconds, then shuts off.


Thank you for posting your question here on Fixya.com.


Is this a two speed pool pump with a toggle switch as part of the motor or a spa pump plugged into a control that uses relays to switch from high to low?

If it is a pool pump you will need a new toggle switch.

If it is a spa unit, replace the relay.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


John

Dec 03, 2010 | Pool & Spa

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