Reading codes
1. Turn on the ignition;
2. Move the temperature selection knobs to the HI left and LO right positions;
3. Within 20 seconds after moving the handles, simultaneously press and hold the REST and EC buttons for 5 seconds;
4. The RECIRCULATION key LED will flash and the display will show OFF
5. 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 code list);
6. Press the AUTO button to display the next fault code;
7. 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;
8. Pressing the right AUTO button restores erased codes (compare with the codes recorded earlier);
9. After deleting the codes, E is displayed on the left side of the display, FF on the right;
10. Set the temperature selection knob to the normal position;
11. Turn off the ignition.