ac stopped working after battery change
After restoring power start the car and do not touch any controls. Now the air conditioner will not properly work.
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In many new electronic thermostats a small battery on.
. Open the thermostat in order to access the battery chamber. With the car off unplug the climate control or HVAC fuse and wait 30 seconds before plugging it back in. The arcing during battery reconnect is typical if one or more electric services were turned on at the time like your stereo or alarm.
Wrong batteries have been used. If the fan on your AC unit stops working it could be something as simple as your circuit breaker tripping or something more complex. Shut truck 2nd time start truck again then turn climate control on and it should work if an actuator is not bad.
Replaced the starter after that the battery wasn t charged enough to crank. Also reset the air conditioner battery pack to see if it resolves the thermostat issue. Finally you may need to take the car to the dealer for a computer reset.
Sure enough this was the issue. You will need to diagnose the issue causing your thermostat to malfunction. I disconnected the battery for 45 minutes and disconnected the AC clutch relay for 3 minutes after connecting battery.
To check if this is the case locate the fuse box in your car and take a look at the fuses inside. Switch off your AC. Disconnecting the battery again wont correct it - its an onoff thing with the key.
I cleaned the contacts as best I could installed fresh batteries and assumed that would be it. Changed my battery today everything works except for the ACheatingair. Burnt Out Condenser Fan Motor.
When the battery is disconnected the actuators controlling the climate control can lose their position. Turn the auto-temperature all the way hot back to cold. In order to rule out battery installation as the cause for your thermostat not working follow the steps below.
Reconnect battery start truck with climate control still off run truck for 2-3 minutes. It did this once after we had to jump it off because of the dead battery but it started back working fine after the next time we started the car. I installed a new battery in my wifes 2002 chevy tahoe.
Up to 8 cash back If you recently serviced the electrical system and now your AC is no longer working then it may be possible that the issue is related to the work. If not continue to. Start the car and do the following within 8 seconds.
It may be possible that one of the fuses or relays blew when the battery or alternator were disconnected. In most cases each system is under the basic control of its own computer module. The electronics of some newer cars can go into an incoherent state after a battery disconnect.
When i put the originial back in the AC wasnt working at all. If the refrigerant has been depressurized somehow the climate control will not blow cold air. Just after disconnect the battery and connected back the air blows but not cold.
Leave off for 1 minute. This is common. Before the AC was fine.
While we were doing this we also disconnected the battery for a while to reset the computer because my 4 wheel drive wasnt work properly another long story. Heres a cheap fix and should be done anytime you replace the battery. Double check your battery and make sure it is perfect before you turn to the AC system.
Ive tried googling to find a. After the battery change the car has been started and driven at least 10 to 15 times and it. Nothing happens when I press the poweron button and the buttons on the display wont even light up like they usually do while the car is on.
They think they are in the cold position when they are really in the hot. Sometimes it will slowly blow some cold air but it will not blow as strong as it should. Reasons Solution The thermostat has not been reset after changing the batteries.
It may be possible that one of the fuses or relays blew when the battery or alternator were disconnected. After power outages happen youll have to turn the thermostat to the off position. So has to charge the battery and it started with no issues.
Well once we reconnected the battery and had the AC recharged it now only blows out HOT air. However you will most likely need to replace the. If your air conditioning fan isnt working your HVAC system wont cool your home.
My Buick used to do this occassionly and that put it back to work everytime. There should be one labeled AC If the fuse is blown replace it with a new one and see if that fixes the problem. Air conditioner inoperative after battery change.
The second battery didnt work for my car so i put the original battery back in. Let the car calibrate the sensors. Then wait for a few seconds and flip it back to the ON position.
I turned on the car Didnt start the engine. Last week I had my AC drained and refilled because it wasnt cooling well. Yes the air conditioned worked prior to this.
It also sounds like the AC system may have lost some pressure. Earlier today I noticed the display on my thermostat was blank knowing it takes batteries i opened the battery door to find one battery had leaked. HVAC not working after battery died in thermostat.
The climate controls should now. The first thing I would do is check the vehicles fuses and relays. ACheating not working after battery change.
Disconnect battery 5 min. The actuators go bad and are expensive 150 labor. Next he asked me to check the AC condensation overflow pipe to make sure that there wasnt a clog because if there is a clog the safety valve will cut off power to the thermostat.
After a few minutes I noticed the unit not coming. AC Not Working After Thermostat Battery Change. It works solely by battery.
Electrical Issues After Replacing the Battery. Locate the thermostat circuit breakerit is usually labeled AC Air Conditioner or HVAC Flip the circuit breaker off. When the thermostat is off an air conditioner wont accept power from the electricity points.
With all the different types of batteries on the market it is very easy to. If the AC wasnt working before you changed the battery its possible that a fuse blew when you were changing the battery. Late model vehicles have many computerized systems.
There was a 1 inch PVC pipe running up along the left out-side of my ACheater that went down into a water pump that was clogged. Up to 8 cash back Its possible something was pumped or snagged. While it may seem impossible one of the most common reasons a thermostat stops working after you change the batteries is because the batteries were incorrectly installed.
There can be more than twenty modules on each vehicle and many of these modules have some sort of learned memory which may be lost when the battery is disconnected. Disconnect the neg on the battery. An air conditioning fan motor is a fairly uncomplicated part but if it doesnt work then your home isnt going to be cool.
Check your thermostat to see if the display is back on.
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