5. SELF DIAGNOSIS (ONLY FOR FATC AIR CONDITIONER)

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Anne Lyons
5 years ago
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18 6810 5. SELF DIAGNOSIS (LY FOR FATC AIR CDITIER) Self Diagnosis 1.

1 SELF DIAGNOSIS (LY FOR FATC AIR CDITIER) Self Diagnosis 1. Starting Self Diagnosis Turn the ignition switch to OFF position and press OFF switch for more than 5 seconds within 10 seconds. 1. ÀÚ±â Áø ÜÁøÀÔ ) Check LED segments on the vacuum fluorescent display (VFD). 1) OFF switch more than 5 seconds.

6810 19. Set in Trouble Diagnosis Step In this step, check the air mix door and sensors for defect.

2 Set in Trouble Diagnosis Step In this step, check the air mix door and sensors for defect. Once the system starts diagnosis step, the digit is displayed, implying step, on the display window and the trouble diagnosis for sensors is executed. If no failure exists, 0 is displayed. If any failure exists, the appropriate trouble code is displayed as below. 1) Slightly turn the TEMP dial to the right to set in the trouble diagnosis step NOTICE The symbol "" in front of step number "" means a short circuit of the blinking sensor. 1 Shortcircuit in the ambient air sensor ) Indication of Step. Starting self diagnosis 1 First sensor failure code blinks twice 10 ~ 0 seconds When two sensors are defective 1 3) Sensor failure code blinking 5 Second sensor failure code blinks twice A / C A / BAG BRAKE ST NG SP AXLE CLUTCH T/C M/T A/T Trouble Code Code Remark Code Remark 0 VDF segments are OK 5 Defective sun sensor 1 Defective ambient sensor 6 Check Air mix door Defective interior sensor 7 Defective humidity sensor 3 Defective duct sensor 8 4 Defective intake sensor 9

3 Set in Trouble Diagnosis Step 3 In this step, check the position and conditions of recirculation air door and mode door. Slightly turn the TEMP switch until 3 is displayed on the display window. If no failure exists, "30" is displayed. If any failure exists, the appropriate trouble code is displayed. 1) Slightly turn the TEMP dial to the right to set in the trouble diagnosis step ) Indication of Step. Starting self diagnosis 3) Sensor failure code blinking (30: no failure) Trouble Code Code Remark Code Remark 1 Defective VENT 6 DEF Defective B/L % 4 FOOT 9 5 D/F 0 All door OK

6810 1 4. Set in Trouble Diagnosis Step 4 In this step, check the position of actuator door, check the fan speed, and check the compressor operation.

Function Check 1) Slightly turn the TEMP dial to the right to set in the trouble diagnosis step 4 Displayed Number Mode door Interior/Ambient door Air mix door Blower Compressor 30 41 VENT F/COOL 4.

4 Set in Trouble Diagnosis Step 4 In this step, check the position of actuator door, check the fan speed, and check the compressor operation. Slightly turn the TEMP switch in step 3 until 41 is displayed on the display window. When pressing DEF switch,mode changes as shown below in turns to check each function. Function Check 1) Slightly turn the TEMP dial to the right to set in the trouble diagnosis step 4 Displayed Number Mode door Interior/Ambient door Air mix door Blower Compressor VENT F/COOL 4.5 V 5. Set in Trouble Diagnosis Step B/L F/COOL 10.5 V B/L 0% OFF FOOT OFF D/F DEF MAX In this step, check the conditions of related sensors. Slightly turn the TEMP switch in step 4 until 51 is displayed on the display window. When pressing DEF switch, displayed changes as shown below in turns. ) 41 A / C A / BAG BRAKE ST NG SP AXLE CLUTCH T/C M/T A/T 1) Slightly turn to right to set in trouble diagnosis step ) 43 0 o C 18.5 o C 18 o C Ambient air Interior air Intake air

6810 6. Set in Trouble Diagnosis Step 6 In this step, the can be compensated within the range of 3 C to 3 C in the control process according to the to air conditioner controller.

5 Set in Trouble Diagnosis Step 6 In this step, the can be compensated within the range of 3 C to 3 C in the control process according to the to air conditioner controller. The step 6 initiates when slightly rotating the fan speed switch (other than TEMP switch) in step 5. ) Compensates the by turning TEMP dial. 61 1) Starts the trouble diagnosis step 6 by turning fan speed dial. 61 Step 6 3 o C Min. compensation value 43 3 o C Max. compensation value 7. Canceling the Trouble Diagnosis Turn the AUTO switch or turn the ignition key OFF.

TROUBLE DIAGNOSIS. Press (DEF) switch a third time. Temperature detected by intake sensor is indicated on the display ( F for

TROUBLE DIAGNOSIS. Press (DEF) switch a third time. Temperature detected by intake sensor is indicated on the display ( F for 8. SELF-DIAGNOSIS STEP 5: TEMPERATURE OF EACH SENSOR IS CHECKED 1. Rotate the temperature control dial clockwise (driver) to STEP 5. 2. Code No. 51 appears on the display. >> GO TO 9. 9. CHECK AMBIENT