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Air condition ec reset botton light remain on a/c not working

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Fix light chek air suspenssion


Have you disconnected the battery to reset the computer? That would be my first step. If that doesn't work, go to an auto supply (Auto Zone) and have them check for codes. Ask them to clear the codes.

Mar 09, 2016 | 1992 Lincoln Town Car

1 Answer

What is the ec button for? my air will not blow cold and the ec button is staying on


EC stands for air conditioning. Have you charged the air conditionning with gas. is the air conditioning pump making a clicking noise when you press the EC button.

May 30, 2011 | 2001 Mercedes-Benz S-Class

1 Answer

EC Reset botton is on.I got the aircondioning recharged,but no use .aircondioningstill not working ,I was told there is no leak in the system detected


you should erase fault in AC control unit using diagnose CPU after recharging AC gas till then it won't be working,

Apr 16, 2011 | 2001 Mercedes-Benz C-Class

1 Answer

Air works good but when you give it gas it gets hot air inside


this is by design. under load, the computer will deactivate the air conditioning in order to take the load of the compressor off of the engine, thereby getting more power for required acceleration. the a c light will remain illuminated etc, and after you finish accelerating the air conditioning will resume normal operation.

Jun 26, 2010 | 1999 Ford Explorer

1 Answer

I have a 1992 mercedes 200 E WDB 021 Saloon, it has 8 button air condition and I dont know how to use it. Control wheel on blue position but When I push the button (leftmost)which has a glass figure on it,...


The pulley on the air condition has to turn it has a belt on it. The Compressor engages to pre cool the evaporator. Most likely you have a blend door pod leak or leak in the hose or the sampler valve is bad. I would replace the sampling valve behind the glove box/air bag. As that reads the cabin temp and if it thinks the car is cold the heat will stay on because everything is automatic. All vents will blow cold when it thinks its hot and in addition to floor and corner dash center vents will blow cold when it works. If the direction of air is correct then the A/C system may have a leak or need a charge of freon.

May 05, 2010 | 1992 Mercedes-Benz E-Class

1 Answer

1996 dodge, my AC ciculation, the air flow will


alot of problems with that control. try replacing heater contrls. sometimes un hooking battery for a minute reset it and it starts working again.good luck.

Oct 07, 2009 | Dodge Intrepid Cars & Trucks

1 Answer

Problem with the EC light staying on after repairs were made to the air conditioning system. Can press the EC button and hold for a few seconds and the light will go off and the compressor will kick in....


The pressure/ temp switch on the reciever drier is what the system uses to determine if the system has enough freon. Most likley cause assuming system is properly charged. You can pull actual values through the a/c push button module. If you cannot see an erratic value your best bet is to have the system scanned for codes.

Sep 08, 2009 | 1998 Mercedes-Benz C-Class

2 Answers

S320 Air Conditioning


could be numerous problems, but you are correct in assuming low freon...try that after visual check under hood confirms no obvious failures like missing drive belt or disconnected electric wires...

Jun 05, 2008 | 2003 Mercedes-Benz S-Class

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