Why does the EC light stay on all the time?

Why does the EC light stay on all the time?

The EC light stayed on all the time. I replace the evap temp sensor and reg temp sensor, thanks to sleepwalker’s help. Then I recharged the system with freon and 46 PAG oil. By the way you must get the compressor to come on to charge the AC if your’s won’t come on, then hold down EC and Rest until the EC light goes off, the compressor will kick on.

Why does the EC button not turn on?

“If you have a control unit where the EC button remains illuminated you most likely have a stored DTC code or a version coding error for refrigerant level sensor. In order for the compressor to be turned on DTC codes need to be cleared and the coding needs to be corrected.”

How does the climate control reset work on a Mercedes Benz?

The reset works as follows: With the key in the ignition and in posistion 2 push both the defrost button and the recirc button (at the same time) for five seconds or untill the led lights in those buttons begin to flash. Wait for 30 seconds or untill the led’s stop flashing.

What happens when you reset the Check Engine light?

If one of these sensors fails, it will trigger a fault code. The code is then stored in the computer until a diagnostic scan is run on the ECU to diagnose the problem. After the problem has been fixed, you’ll need to reset the “check engine” light.

How to reset the oil change light on a Mercedes C240?

Below is the Oil Change Light Reset procedure for the Mercedes-Benz C240 2002 . Follow the steps below to reset the oil life monitor after each oil change. Turn the ignition to “POSITION 1”. Press the bottom left button on the steering wheel repeatedly until the service symbol is displayed.

How does the computer work on a Mercedes C240?

The Mercedes-Benz C240, like most modern vehicles, has a computer system that monitors the engine for potential problems and failing parts. When a problem is detected, it alerts the driver using an engine light on the dash. Once the needed repairs are complete, the light often remains on until it is reset manually.

The EC light stayed on all the time. I replace the evap temp sensor and reg temp sensor, thanks to sleepwalker’s help. Then I recharged the system with freon and 46 PAG oil. By the way you must get the compressor to come on to charge the AC if your’s won’t come on, then hold down EC and Rest until the EC light goes off, the compressor will kick on.

The reset works as follows: With the key in the ignition and in posistion 2 push both the defrost button and the recirc button (at the same time) for five seconds or untill the led lights in those buttons begin to flash. Wait for 30 seconds or untill the led’s stop flashing.

How do you reset the climate control unit?

“Your Climate control unit may have to be reset. The reset works as follows: With the key in the ignition and in posistion 2 push both the defrost button and the recirc button (at the same time) for five seconds or untill the led lights in those buttons begin to flash. Wait for 30 seconds or untill the led’s stop flashing. Switch off the ignition.

What’s the code for an air conditioner recharge?

Squirt a very small amount of refrigerant to purge air out of the hose – you don’t want to introduce any air to your system. Pull trigger while gradually shaking the can and holding it upside down until it reaches instructed pressure depending on Ambient temp. Follow up by reading Code 7 – mine was originally 7 bar and became 17 bar after recharge.

Why does the EC light come on on my air conditioner?

Verified eurotec : Hi, the EC light will come on if the system is low on refrigerant or if there is a fault with one of the sensors in the system. eurotec : You will need to have the air conditioning system evacuated and recharged to verify the proper charge in the system. Customer : I tried to put Refrigerant in and it will not take any more

Where is the power switch on an outside air conditioner?

Locate the grey power box mounted near the outside air conditioning unit. According to Carrier HVAC, the box is typically 8 inches wide and 16 inches high. Note that the color and exact location of the box may vary. Open the box and locate the main power switch. Move the power switch to the off position.

How to reset the outdoor service switch for an air conditioning unit?

Move the power switch to the off position. Leave it in the off position for at least a few minutes. Switch the power switch back to the on position. Wait at least 12 hours before using the air conditioning unit. Maxwell Payne has been a freelance writer since 2007.

“If you have a control unit where the EC button remains illuminated you most likely have a stored DTC code or a version coding error for refrigerant level sensor. In order for the compressor to be turned on DTC codes need to be cleared and the coding needs to be corrected.”

What kind of compressor does a 2002 Mercedes E320 have?

2002 Mercedes E320 compressor had 12 volts but won’t engage .  read more Lou Palomino associates in automotive technology 11,061 satisfied customers EC light will not turn off not getting air conditioning

How does the reset work on an e320 Fixya?

The reset works as follows: With the key in the ignition and in posistion 2 push both the defrost button and the recirc button (at the same time) for five seconds or untill the led lights in those buttons begin to flash. Wait for 30 seconds or untill the led’s stop flashing. Switch off the ignition.

The reset works as follows: With the key in the ignition and in posistion 2 push both the defrost button and the recirc button (at the same time) for five seconds or untill the led lights in those buttons begin to flash. Wait for 30 seconds or untill the led’s stop flashing. Switch off the ignition.

2002 Mercedes E320 compressor had 12 volts but won’t engage .  read more Lou Palomino associates in automotive technology 11,061 satisfied customers EC light will not turn off not getting air conditioning

Why does my climate control need to be reset?

“If you have a control unit where the EC button remains illuminated you most likely have a stored DTC code or a version coding error for refrigerant level sensor. In order for the compressor to be turned on DTC codes need to be cleared and the coding needs to be corrected.” “Your Climate control unit may have to be reset.

What should I do if my air conditioner wont turn on?

Keep your air conditioner plugged in and locate the electrical panel for your house. Find the circuit breaker that controls the electrical outlet you’ve plugged your air conditioning unit into, and turn it off.

What should I do if my dimmer won’t turn off?

If the lights have a hi/lo switch, make sure it is on high. There is a small, pull-out tab (FASS) at the bottom of the on/off button. Pulling it out will cut all power off to the switch. Wait a few seconds then push it back in. If the radio has failed, the dimmer should still work as a stand alone. What are the LEDs on the dimmer doing?

What should I do if my air cleaner light does not turn on?

2. Put the door back on, turn the air cleaner on and see if the light comes on for 30 seconds and then turns off. If it does you have an air flow sensor built into your air cleaner and that part is working. If the light STAYS on and does NOT turn back off you do NOT have an air flow sensor in your model. 3. Leave the air cleaner turned on.

What kind of climate control does a 1998 C280 have?

Again this is a 1998 C280 with single climate control. The EC light stayed on all the time. I replace the evap temp sensor and reg temp sensor, thanks to sleepwalker’s help. Then I recharged the system with freon and 46 PAG oil.

Who is the Mercedes mechanic for the E320?

Answered in 1 minute by: 3/29/2012 Mercedes Mechanic: Marty, Mercedes Technician replied 9 years ago Marty, Mercedes Technician Category: Mercedes Satisfied Customers:57,141 Experience: Bosch Certified Master Tech. Over 35 years experience. Verified eurotec :

How many volts does the E320 compressor have?

Related Mercedes Questions 2002 Mercedes E320 compressor had 12 volts but won’t engage. 2002 Mercedes E320 compressor had 12 volts but won’t engage .  read more

Why does my Mercedes car flash service lights?

Your Mercedes vehicle will flash a host of service lights to inform you when something might be damaged inside the car. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault.

Why is my Mercedes air conditioner not working?

Your Mercedes vehicle will flash a host of service lights to inform you when something might be damaged inside the car. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. Sometimes the unit isn’t actually damaged, and resetting your climate control unit …

How do you reset the ECU on a Mercedes Benz?

Once both windwos are all the way down make both swithches click by pressing them all the way down. This lets the ECU learn that that is the end of the window track and it records it in memeory. Do the same closing the windows by holding both switches and making them click once the windows are all the way up.

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