Reading codes:
- Turn on the ignition;
- Move the temperature selection knobs to the HI left and LO right positions;
- Within 20 seconds after moving the handles, simultaneously press and hold the REST and EC buttons for 5 seconds;
- The RECIRCULATION key LED will flash and the display will show OFF;
- Press the right AUTO button for more than 1 second. If there are no faults in the memory, E will appear on the left side of the display and FF on the right. Otherwise, Ebl is displayed on the left side, and a fault code is displayed on the right (refer to the list of CV codes below);
- To display the next fault code, press the AUTO button;
- To erase the codes after reading them completely, press the right and left AUTO buttons for more than 2 seconds. The left side of the display shows d, the right side shows FF;
- Pressing the right AUTO button restores erased codes (compare with the codes recorded earlier);
- After deleting the codes, E is displayed on the left side of the display, FF on the right;
- Set the temperature selection knob to the normal position;
- Switch off the ignition.