Question about Coleman Mach III Air Conditioner

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A/c not cooling

Fan run on auto not getting voltage to comressor from rely.

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The rain in Spain falls mainly on the PLain! WHAT WHERE WHO WHEN WHT ????

Posted on Aug 28, 2008

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Where is the fan relay on 1999 aurora located


Cooling Fan Relay No. 1
Center rear of engine compartment, left of the windshield wiper motor
7 - COOLING FAN #2 Relay
8 - COOLING FAN #3 Relay High Speed Cooling Fan Relay #3
9 - COOLING FAN Fuse
60A
Cooling Fan Relay #1, Cooling Fan Relay #2

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07 pontiac g6 cooling fans won't run,fuses are good.any other reason they won't run


Check for applicable trouble codes. To check codes, yourself, at the least you need an obd2 code reader. Some of the national brand auto stores will check codes for free, if you can get the vehicle down there.
How hot does the engine get in degrees F?
Did you check for voltage at applicable fuse circuit, hot all the time. You can use test lite to check for voltage at fuse circuit.
Your coolant temp sensor has some control over the fans. Replacing parts is not very good diagnostics. Just my opinion.

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Where is the fuse for motor fan in uplander 2006?


there is 2 fuses that you have to check
one will be in the big fuse assembly in the engine bay, the other probably in the fuse assembly in the cab
If they prove ok then it is possible that the coolant temperature SENSOR is faulty and needs replacing
don't confuse it with the temperature sender which operates the temp gauge.

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2004 Venture Chevrolet minivan cooling fan circut


Are you talking about the radiator fan? How hot does the engine get in degrees F? Some makes and models, the radiator fan won't turn on till about 220 degrees F. Check for applicable trouble codes, see if any code that refers to the radiator fan circuit or coolant temp sensor? Some of the national brand auto stores will check codes for free.

Of course, as far as overheating in general, you have the thermostat--water pump and other possible issues. Are you losing coolant?

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1 Answer

Thermo set "heat" and "Auto


Check the fan relay. These relays are used to cut the fan on and off when the thermostat is set in the air conditioning or heating mode or when you move the thermostat to the "Fan On" position. The low voltage usually the green thermostat wire is wired to terminal #1. The low voltage common wire to terminal #3. One line voltage wire is attached to terminal #4. The high speed blower wire usually black is attached to terminal #2. When the thermostat calls for air conditioning or "Fan On" the 24 volt coil is energized, the terminals 4 and 2 close. This causes the fan to come on in high speed. When your home cools down and the thermostat cuts the air conditioner off, the low voltage coil terminals 1 & 3 are denergized, and the fan goes off. Sometimes these little relays stick which causes the fan to run all the time or will not make good contact, which causes the fan to not run in the "Fan On" or air conditioning mode.

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1 Answer

I need help with a buzzing sound in my air conditioner.


It is probably the compressor humming. They can make some funny noises especially on start for a while. If the unit is not cooling it may be the start capacitor or the comressor may be locked up.

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3 Answers

I have 2003 grand cherokee with 140000 miles that overheats at idle. as soon as i start moving again, the temp goes back to normal.


You have two fan's on your truck, 1 is a fan clutch runs with the drive belt, 2 elec fan motor, with test light and engine running at normal temp, just a little bit above 1/2 way on your temp gauge check voltage at elec. cooling fan harness if you have voltage at one of the two wire's and fan don't turn on, bad cooling fan motor, on the fan clutch after you check voltage at elec. fan motor turn engine off, with your hand spin drive belt fan if it spin's freely bad fan clutch, replace it.Also check cooling level.Hope this was very helpful

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1 Answer

Coleman rv rooftop unit, fan runs in on but in auto nothing works


R = HOT 12V
W= WHT- GND
Y = YELLOW / POSSIBLE THERMOSTAT
G= GRND FOR THERMOSTAT
f = FAN
F=FAN
aSSUMING THIS IS A TWLVE VOLT SYTEM- The two f's Would be fan control intake and exhaust - fan direction
White is always ground and so is green.. green is more of a static ground where white is a load grnd.
Red is always hot. in low voltage

I hope this helped. No instructions in kit?

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1 Answer

My whirlpool refrigerator (Model ET18DK) does not cool


Most likely one of two conditions are the root of the problem. Either the fan in the freezer is stalled or the defrost system has failed. The fan in the freezer should run any time the comressor is running; if it's not, there's your problem. If you can hear the fan, check for frost or snow developing across the back panel in the freezer. Local repair service could probably supply replacement parts quickly for defrost failures (most likely a bad terminator if defrost system isn't working).

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1 Answer

LG LSB24X1RPL1 split a/c compressor fan not working


It is probably the control board but you will need to use a volt meter to check for voltage leaving the harness that goes to the fan. Make sure that the unit is calling for the comressor to come on. If it isn't, then it's probably the board and if it is, then the motor may be bad.

Mar 30, 2009 | LG Heating & Cooling

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