Question about Goodman CKL49AR49 Air Conditioner

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CK49-1B RESISTANCE OF COMPRESSOR COIL (WINDINGS )

I do not have the resistance of the 3.5 ton compressor and I was wondering where should I find it. Does the manufacturer ( Goodman ) have it? I am talking about the starting coil and the running coil. I have found that the evaporator in the newer units from this company tend to leak in a very short time. Are they making the tubes in the coil thinner, or what?

Thanks for your help, cool guys.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Goodman Heat Pump GSH 130601 5 ton unit - Compressor seized

goodman makes the cheapest unit on the market bar none. they are the absolute lowest end of the scale when buying a system. they are for that reason the best selling unit in the industry. so you should expect loud and clunky performance. expect only that they will perform, but dont even begin to expect them to perform quietly or smoothly. your warranty is only a year on these cheap pieces of equipment compared to a 5 or 10 year parts and labor warranty on trane and am standard equipment,so the labor will eat you alive on the cheap stuff. and when the expensive parts fail they will be really expensive.all compressors are now manufactured by about three compressor manufacturers, copeland tecumseh and bristol. so what ever brand you buy will have possibly the same compressor in it. all ac s in recent years have expansion valves that require a hard start kit. many cheap sluggo installers will not add the required hs kit even though they know it is needed and required by the manufacturer. so if the txv ( thermostatic expansion valve ) is a non pressure equalizing valve it has trouble starting against unequal pressure and voila , the compressor wont start. i have seen many a dumb+++ add a start kit to boost starting torque when the oem run capacitor is in fact weak or bad . if run cap is weak (test it) the start cap will temp fix. but you have not really fixed the problem if the run cap is bad eventually it will fail then no start again etc. despite the fact its a year old heres what you need to do. check filter for cleanliness. vacuum out drain for clean and clear drainage, run unit 15 minutes on a warm day , check run caps on fan outside and on compressor outside . they should be within 10 percent of rated mf values printed on side.feel suction line, cold? ok. not cold? call a pro for under charged or inefficient compressor. if cold then look at contactor points. they should be clean and golden colored. no char ,no gray or dark areas. a pro can tell with gages if charge is low or compressor is weak. as high pressure falls off and gets low ,suction pressure gets weak and rises. this would be a weak or bad compressor. as head ( high) pressure falls and suction pressure also falls this would be a case of low ref charge. you as a home owner can stick a cheap thermometor in the incoming and outgoing duct and expect to see a difference of 20 degrees . less equals low charge, or weak compressor,

Posted on Oct 12, 2008

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SOURCE: what ton is my goodman AC unit model#cv62-1b

Maybe five ton.

Posted on Jun 05, 2009

  • 286 Answers

SOURCE: new Goodman condenser unit run almost contiously using too much e

I'm not sure of the kilowatts. The 10 min on and 5 off is telling me there is to much heat by the thermostat or you house needs more insulation. The new compressor is designed for more efficient run time. The other thing is the unit to big for your house? It should run 10 -15 min when low humidity is in the house. Otherwise longer if its pretty warm inside.

Posted on Jun 11, 2009

  • 4 Answers

SOURCE: Blowing hot air, compressor not kicking on, just fan ? ?

are you speaking of the outside fan or inside? compressor should be a little warm but not boiling hot. the unit could be low on freon. if low it will run a while but the compressor will overheat and shut off leaving the fan running by itself ouside. if nothing outside is running check power. if you have power check the contacted outside to make sure it's pulled in. contacters are bad about going out on goodman untis. Also ants can get under contacts.

Posted on Jun 18, 2009

  • 4 Answers

SOURCE: I HAVE A GOODMAN 2 AND HALF TON UNIT THAT IS NOT

In order to freeze, some refrigerant must be present. The outdoor units compressor overhats and will cut out, the fan stays on, if poor refigernat charge is the problem. This overload will not reset for 1-3 hours, just enough time to defrost and refail again.

Posted on Jun 24, 2009

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1 Answer

I have a carrier ac moddal 38HKC48DS3002 4 ton that will run for about 10 mintes before off the coppreser and than displing show E4


If unit displays "e4"

1? Check whether the winding resistance and
operation current of the compressor are normal.
2?Check whether the high and low pressure is normal
when the unit is running.
3?Check (whether the coil pipe sensor is normal)
whether the contact of the inserter on the circuit
board is well, the coil pipe temperature sensor is
fixed, the evaporation of the indoor unit is well,
the key is to check the evaporator temperature
detected by the coil pipe temperature sensor has
reached the cooling or heating temperature.
4?Check whether the surface of the condenser is too
dirty, it should be cleaned when it is too dirty.
5?Check whether the capacitance of the outdoor motor
and the fan is damaged, it should be replaced when
it is damaged.
6?If the above items are normal, the electric control
board should be replaced.

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1 Answer

How do I check the ignition coil


Ignition Coil Primary Circuit Test

Remove the coil. THEN set your ohmmeter scale to RX1 and place ohmmeter leads on the primary coil windings A (front of coil) to B (middle of coil), B to C (front of coil) and check for primary coil winding resistance which normal resistance range is zero point five and zero point seven ohms. If primary resistance is not within this range check out test results below.


Ignition Coil Secondary Circuit Test

With the ignition coil removed from the motorcycle and the ohmmeter set to the RX1K scale place the ohmmeter leads on the secondary coil windings B (middle terminal) to

R (rear secondary terminal/socket), B to F (front secondary terminal/socket) and check for secondary coil winding resistance which normal resistance range will be 5.5-7.5K ohms. If secondary resistance is not within this range check out test results below.


Test Results

A low resistance value indicates a short in the coil winding which requires coil replacement.


A high resistance value might indicate that there is some corrosion/oxidation of the coil terminals requiring the coil terminals to be cleaned and the resistance test then repeated and if after the test is repeated the resistance is still high after the terminals were cleaned the coil must be replaced.

If there is an infinite ohms or no continuity) resistance value the coil is open and must be replaced.

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How to check for spark, harley springer


Ignition Coil Primary Circuit Test
Remove the coil. THEN set your ohmmeter scale to RX1 and place ohmmeter leads on the primary coil windings A (front of coil) to B (middle of coil), B to C (front of coil) and check for primary coil winding resistance which normal resistance range is 0.5-0.7 ohms. If primary resistance is not within this range check out test results below.

Ignition Coil Secondary Circuit Test
With the ignition coil removed from the motorcycle and the ohmmeter set to the RX1K scale place the ohmmeter leads on the secondary coil windings B (middle terminal) to
R (rear secondary terminal/socket), B to F (front secondary terminal/socket) and check for secondary coil winding resistance which normal resistance range will be 5.5-7.5K ohms. If secondary resistance is not within this range check out test results below.

Test Results
A low resistance value indicates a short in the coil winding which requires coil replacement.

A high resistance value might indicate that there is some corrosion/oxidation of the coil terminals requiring the coil terminals to be cleaned and the resistance test then repeated and if after the test is repeated the resistance is still high after the terminals were cleaned the coil must be replaced.
If there is an infinite ohms or no continuity) resistance value the coil is open and must be replaced.

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Throttle cable install


What year????

For some models and years, but do not know if it fits yours as I do not know what year you have:

Ignition Coil Primary Circuit Test
Remove the coil. THEN set your ohmmeter scale to RX1 and place ohmmeter leads on the primary coil windings A (front of coil) to B (middle of coil), B to C (front of coil) and check for primary coil winding resistance which normal resistance range is 0.5-0.7 ohms. If primary resistance is not within this range check out test results below.

Ignition Coil Secondary Circuit Test
With the ignition coil removed from the motorcycle and the ohmmeter set to the RX1K scale place the ohmmeter leads on the secondary coil windings B (middle terminal) to
R (rear secondary terminal/socket), B to F (front secondary terminal/socket) and check for secondary coil winding resistance which normal resistance range will be 5.5-7.5K ohms. If secondary resistance is not within this range check out test results below.

Test Results
A low resistance value indicates a short in the coil winding which requires coil replacement.

A high resistance value might indicate that there is some corrosion/oxidation of the coil terminals requiring the coil terminals to be cleaned and the resistance test then repeated and if after the test is repeated the resistance is still high after the terminals were cleaned the coil must be replaced.
If there is an infinite ohms or no continuity) resistance value the coil is open and must be replaced.

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I have a goodman 4 ton central ac unit. The fan blower turns on but the compressor will not turn on. I replaced the capacitor and verified the compressor is receiving power. My question is a goodman...


Hello, you can Ohm the compressor windings with a multimeter. Just kill power the the unit, remove the wires from compressor and check each winding. You should have resistance, if not the windings are open and compressor must be replaced.

May 24, 2012 | Heating & Cooling

1 Answer

Why does my 40 amp breaker for my 5 ton Rheem AC keep tripping? Not my air handler


Hello, usually if the compressor is shorted to ground it will keep tripping t he breaker. One way you can check yhis is disconnect power to the outdoor unit and use a ohmeter to check each winding of the compressor to ground. You can use the discharge line from the compressor as a ground, you should not read any resistance, if ou do the compressor is shorted to ground and will need to be replaced.

May 10, 2012 | Heating & Cooling

1 Answer

P1370 and p1350 trouble codes


P1370 Ignition Control (IC) Module 4x Reference too many pulses

P1350 Ignition Control System

Ok, these codes are signaling a malfunction within the Ignition control module. it is sending way to many signals to the coil. i recommend testing the coil for damage and irregular resistance. i will explain how to do this below. i would replace the module as well. The control moduel is Located Under hood, center, rear engine area, above valve cover, mounted in base of ignition coil pack

Ignition Coil Test Procedures__

Ignition Coil Resistance

* with the key off and the battery lead to the ignition coil disconnected, use an Ohmmeter to measure the primary and secondary winding resistance of the ignition coil. when checking the resistance across the windings, pay particular attention to the meter reading. if the reading is out of specifications, even if it is only slightly out, the coil or coil assembly should be replaced.
* To check the primary windings, calibrate an ohmmeter on the X1 scale and connect the meter leads to the primary coil terminals to test the winding.

5d041b0.jpg

* An infinite ohmmeter reading indicates an open winding. The winding is shorted if the meter reading is below the specified resistance. Most primary windings have a resistance of 0.5 to 2 ohms, but the exact manufacturer's specifications must be compared to the meter readings.
* To check the secondary winding, calibrate the meter on the X1,000 scale and connect it from the coil's secondary terminal to one of the primary terminals.


813a25f.jpg
# A meter reading below the specified resistance indicates a shorted secondary winding. An infinite meter reading proves that the winding is open.
# In some coils, the secondary winding is connected from the secondary terminal to the coil frame. When the secondary winding is tested in these coils, the ohmmeter must be connected from the secondary coil terminal to the coil frame or to the ground wire terminal extending from the coil frame. Many secondary windings have 8,000 to 20,000 ohms resistance, but the meter readings must be compared to the manufacturer's specifications. The ohmmeter tests do not indicate such defects as defective insulation around the coil windings, which causes high-voltage leaks.

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A/c wire at compressor of a 1989 chevy g20 3/4 ton van?


No, It is a diode, not a resistor, It is only there to keep voltage spikes from burning up the clutch coil.

Mar 07, 2009 | 1989 Chevrolet G20

1 Answer

No cold air


  1. The filter could be dirty This is the most probable cause and, of course, the easiest to check and correct.
  2. The evaporator coil face could be coated with lint,dirt, etc.Dirt or lint on the coil will restrict the flow of air through the coil and the unit must be removed from the recreational vehicle and the soil must be thoroughly cleaned with strong detergent (Coil X,Calclean, etc.) and water. Be sure to protect the fan motor and electrical controls during cleaning by covering them with polyethylene sheet. After the system is cleaned, allow it to thoroughly dry for several hours (before turning it on) to prevent electrical shorts.Before system is put back into operation, be sure the filter is properly installed to prevent recurrence of dirty coil.
  3. No compressor (Does not try to start).The compressor does not run and it does not hum.
    1.The selector switch may be open.
    2. Thermostat may be open.
    3. Overload switch may be open.
    4. Compressor winding may be open.
  4. Selector Switch
  5. Thermostat
  6. Low Voltage
  7. Overload
  8. Compressor
  9. Wiring (Mis-wired)
  10. PTCR or Potential Relay
  11. Start Capacitor
  12. Run Capacitor
To check the selector switch, remove wires from the terminals
and rotate the switch to the proper position and read
continuity as follows:
Terminals Switch Position
L-1-3 Lo Heat
L-1 Lo Fan
L-2 Hi Fan
L-1-4 Lo Cool
L-2-4 Hi Cool


Compressor Motor
The compressor motor is located inside the hermetic
compressor housing and therefore not accessible for service or
visual observation in the field. However, the motor winding
condition can be analyzed by using an ohm meter. Be sure to
remove all the leads from the compressor terminals before
making this check.
1) If the resistance between any two terminals is 0
ohms, the motor windings are shorted.
2) If the resistance between any terminal and the
compressor housing is anything but infinity, the
winding is grounded.
3) If the resistance between any two terminals is
infinity, the winding is open.
On a good compressor, the highest resistance will be between
the R (run) and S (start) terminals. The lowest resistance will
be between the C (common) and R (run) terminals. The
intermediate resistance will be between the C (common) and
S (start) terminals. Notice that compressors have the
identification of the terminals marked on either the terminal
cover or on the compressor housing.

Capacitor Check
There are several capacitor test devices available. The ohm
meter is one of them. The ohm meter cannot verify a
capacitors MFD (microfarrad) value. However, the following
procedures will show you how to use an ohm meter to
determine if the capacitor is good, open, shorted or grounded.
Before testing any capacitor, always perform the following
procedure:
* This test must be done with a analog type meter.
a) Disconnect all electrical power to the air conditioner.
b) Discharge the capacitor with a 20,000 ohm (approx.
3 watt) resistor or larger.
c) You may discharge capacitors with a standard volt
meter if you use a scale over 500 volts and touch the
leads (one lead to each side of the capacitor). The
volt meter will discharge the capacitor.
d) Identify and disconnect the wiring from the
capacitor.
e) Set and zero the ohm meter on the “highest” scale.
When testing for a good, open or shorted capacitor,
perform the following checks: Place the ohm meter
leads across the capacitor terminals (one lead on
each terminal) and perform a continuity test. Then
observe the action of the meter needle or indicator.
Reverse the leads and test again. The result should
be the same. Note: If the capacitor had not been
properly discharged, a false reading could be
indicated on the first test. Always test several times
(reversing the leads with each test). This will verify
the capacitors condition.
Good Capacitor
If the capacitor is good, the indicator will move from infinity
(the left side), towards zero ohms and slowly return back to
infinity. Reverse the leads and test again. The result should
be the same.

Start Capacitor
Most models use a start capacitor and a start relay to give the
compressor high starting torque. The compressor will,
therefore, start against normal pressure difference (head
pressure minus suction pressure) even when shut down for a
short period of time. The start relay will disconnect the start
capacitor when the motor reaches approximately 75%
running speed.
Start (Potential) Relay
The start relay consists of –
1) Normally closed contacts internally between
terminals #1 and #2 which switch in the start
capacitor in parallel to the run capacitor during shut
down and then switch out the start capacitor when
the motor reaches approximately 75% normal
running speed.
2) A high voltage coil internally between terminals #5
and #2 to actuate the contacts. The coil is too weak
on line voltage to actuate the contacts, but it is
connected in series with the start winding and it gets
the generated voltage of the start winding portion of
the compressor motor. This generated voltage is
much higher than line voltage and varies with the
speed of the motor. Therefore, since the relay is
designed to open the contacts at 75% of normal
running voltage (measured between terminals #5 and
#2), the contacts will open (thus disconnect the start
capacitor) at approximately 75% of normal running
speed.
(B) Positive Temperature Coefficient Resistor
(Commonly Known As PTCR Start
Device)
The resistor acts like a potential relay in that it takes the start
capacitor out of the start circuit, but uses resistance of
electrical flow (back EMF from compressor) instead of
opening a set of contacts. The service person should be careful
handling the resistors. They will be hot during operation (up
to 160 degrees F). The air conditioner needs to be off for 3-5
minutes during cycle time and when servicing to let the
resistor cool down.

191413c.jpg
That covers everthing.
Please rate this a fixya

Feb 09, 2009 | Coleman Mach III Air Conditioner

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