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Compressor motor not working. test it in good condition, just bought for 1 year

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  • Refrigerators Master
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Hi,

Many times a freezer and/or refrigeratordo not work right because of a dirty condenser coil...there are also many otherthings that can go wrong. If you are hearing a clicking or buzzing thencheck out the last two tips.

If your refrigerator is running but warm, then...

Check out these tips that I wrote about that... it is a great place to starttrouble shooting your unit...and something that you can do rather then callinga repair person to do a simple thing for you...

Refrigerator Condenser Coil Cleaning Refrigerator Repair

Refrigerator Troubleshooting Refrigerator Compressor

Refrigerator Compressor Start Capacitor and Start Relay
Refrigerator or Freezer not Cooling or Getting Cold

heatman101

Posted on Apr 03, 2011

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Posted on Jan 02, 2017

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Emerson model#CR519B. The unit just stopped working. If plugged in a motor runs for about 8 seconds and clicks off; about a minute later it repeats. Help


I had the same problem with a small wine cooler. It happened to me twice in 6 years. Both times I had to replace the starter relay.

I couldn't find any repair facilities willing to work on these small wine coolers or refrigerators, probably because the bill would be more than the used fridge is worth. If you feel confident around a volt/ohm meter and electricity, you could learn how to test this and maybe fix it yourself.

You shouldn't do any of this if you aren't familiar with using a Volt/Ohm meter and can safely and confidently work around electricity.:

  1. Unplug the fridge
  2. I first tested the compressor with an Ohm Meter (see how with youtube video below or by reading how at Davesrepair.com). It was good, but it kept starting and stopping within a few seconds.
  3. Basically my starter capacitor/relay wasn't working. It supplies temporary starting voltage to the starter relay in the compressor, then cuts off to allow the motor to run.
  4. I bought a Supco 3-in-1 on Amazon for less than $13 and hooked it up according to the supplied instructions. It lasted about 3 years.
Of course, the factory recommended repair is to buy the original replacement relay, but it will be more costly and harder to find.

I bought a Supco 3 in 1 Hard Start relay sized for the HP on my compressor. Mine was the Supco RCO810 (see link below).

NOTE: Before I replaced the starter relay and overload protection with a Supco 3 in 1, I learned how to test the compressor with a Volt/Ohm meter. If you don't have a meter, you can buy them online or inexpensive to free with a coupon at Harbor Freight.



Feb 15, 2015 | Emerson Refrigerators

1 Answer

Air condition motor not going on


check to see if the fan is running if not it has frozen up over the winter. turn off fuses to a/c unit then try to turn fan by hand,if not soak down fan bearings with penetrating oil like PB Blaster keepmoving fan blade back and forth until it spins freely. Then try turning on the power to a/c unit if motor then turns fan freely , shut it down again and use a good coat of a-1 motor oil (ELECTRICAL) on the fan brgs. This should get you through for another year or so. On the other hand if fan will not spin by the motor now but spins by hand then the fan motor is bad.

Apr 14, 2013 | Carrier Payne 2.5 Ton Air Conditioner...

2 Answers

04 Saturn vue compressor turns off when fan is set to 3 or 4


The problem is the blower motor speed control resistor, it is located near the blower motor in the housing. I exchanged mine and it works like a charm now.

May 31, 2012 | 2002 Saturn VUE

2 Answers

Ours's a hp color laserjet 4700dn ; the message is 59.30 error ; we bought the machine in the year 2007 what do you suggest?


59.30 states it's the:Fuser motor startup error
Based on the service manual here are the steps to follow:
Fuser motor error
1. Reconnect the connectors J4605 for
the fuser motor and J1024 on the DC
controller PCB.
2. Run the component test to verify that
the fuser motor is working correctly.
3. Replace the fuser motor.

How to preform the component test below
1. Press Menu to enter the MENUS.
2. Press to highlight DIAGNOSTICS.
3. Press to select DIAGNOSTICS.
4. Press to highlight COMPONENT TEST.
5. Press to select COMPONENT TEST.
6. Select the component test Fuser motor. Use this test to rotate the fuser motor and drive gears.
Menus cannot be opened during component tests, so serves the same function as the Stop button.

More information on a Fuser motor failure detection
  • The DC controller determines the fuser motor failure and notifies the formatter of an error status when it encounters the following conditions.
  • Fuser motor start-up abnormality. The interval of the fuser motor speed detection signal does not reach the specified interval after 1.5 seconds of the fuser motor drive start.
  • Fuser motor rotation abnormality. The interval of the fuser motor speed detection signal stays at an irregular interval for two seconds and longer after it reaches the specified interval.

I've attached a screen shot of where the fuser motor is located It is # 8. tballone.png

Feb 25, 2011 | HP LaserJet 4700 Printer

2 Answers

Can not build working pressure pressure......


The most likely problem is a burned out "run capacitor" on the motor. If you continue to try to run your compressor in this condition it will burn out the "starting capacitor" and/or motor as well.
It's also possible that you have a bad start up pressure relief valve, this valve will be between the compressor and the tank. If this valve is working properly you should hear a hiss of air as the compressor motor shuts off.
A reasonable motor repair shop should be able to replace the run capacitor for $20-$50 plus inflation, depending on your area.
If you need to test the start up pressure relief valve, you need to take it loose at the compressor or tank. Just loosening the line may not work depending on the style used. Note: sometimes just taking this loose to test it causes you to have to replace the valve.

May 29, 2010 | Craftsman 1 Hp, 4 Gal. Air Compressor

1 Answer

The motor compressor of air-condition cant start what will i do? do i have to add a starting capacitor? to help to start the motor compressor of air-condition? how do i tap the starting capacitor to motor...


First thing to do is to check the capacitor if you have a meter to check it would be great if the capacitor is good check the motor windings using a continuity test with your meter then you if you have to change your compressor or your capacitor

Nov 06, 2009 | Heating & Cooling

1 Answer

I got a used Hitachi ec12 compressor, it doesn't start.


1.Check the motor first. You can readily see if it's
burned or not. Run a megger test on the motor.
Test run the motor without the compressor.
2. If, it does not run, have it checked at the motor
rewinding shop.
3. Once it is okey, remount the motor, and start it up.

Oct 29, 2009 | Hitachi EC12 Portable Electric 2hp Air...

1 Answer

My Sears 1 HP compressor motor starts to slow down to almost zero RPM as pressure approaches 60 psi. Up until recently it produced 100 psi. Compressor rotates freely at shut down (no binding, etc). Is this...


IF IT HAS BELTS THE BELTS COULD HAVE BEEN LOOSE AND SLIPPING.. MOTOR COULD BE GETTING HOT DUE TO TOO SMALL OF CORD OR SMALL GAUGE DROPCORD. INTANK CHECK VALVE COULD BE GETTING CLOGGED NOT ALLOWING AIR TO PASS THRU IT. UNHOOK DISCHARGE LINE FROM HEAD TO THE TANK, THIS WILL ALLOW PUMP TO RUN UNDER NO STRESS AND SEE WHAT HAPPENS.

Apr 03, 2009 | Craftsman 3 gal. Air Compressor, 1.5 hp,...

1 Answer

Compressor will not start


It is a good sign that the motor turns freely with and without air. That indicates that you have good bearings and that the intank check valve is in good condition. Next you should check the capacitors and the condition of the windings. Some motors have start and run capacitors and others only have run cap. Remove from the circuit and test with meter having cap. test setting. Most shops will test them for free. The cap should test within 95% of stated ( uf ) value. Replace as needed. Finally check that the flyball switch at rear inside of motor is functioning correctly. At rest, switch is at start winding, then a split second after start, it shifts to run winding. Check contacts are not stuck and that switch is working and lastly that the winding are the color of new penny. Good luck.

Jan 06, 2009 | Campbell Hausfeld 26 - Gallon Air...

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