What does EC light mean?

What does EC light mean?

EC button on your ac and heating control is to bring outside air only into your car. when that mode is selected, a/c will not come on. You must use other buttons along with lowering the temprature setting selector for the a/c to kick in. 12 people found this helpful. 570.

How to turn off EC in mercedes?

If you want the compressor on to fill.

1. Switch the ignition on (position 2).
2. Set the left temperature to ‘HI’ and the right temperature to ‘LO’.
3. Switch the ignition off.
4. While holding the ‘REST’ button, switch the ignition on (position 2).
5. Press the ‘EC’ button twice so that the left side flashes ‘P2’.

What is the temp sensor on a Mercedes medic?

30 = left rear air conditioning heat exchanger temp sensor (not all vehicles; obviously) 40 = control module version software status (?) 43 = variant code second number.

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 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.

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.

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.

30 = left rear air conditioning heat exchanger temp sensor (not all vehicles; obviously) 40 = control module version software status (?) 43 = variant code second number.

How to turn off air conditioner in Mercedes medic?

Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed. Turn ignition off. 1) Turn ignition on. Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed. Press the AUTO push button.

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.”