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15.1.1. Relationship between the condition of the air conditioner and pressure and electric current Condition of the air conditioner Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Low Pressure High Pressure Cooling Mode Heating Mode Electric current during operating Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started. 40 Low Pressure High Pressure Electric current during operating
15.2. Breakdown Self Diagnosis Function 15.2.1. Self Diagnosis Function (Three Digits Alphanumeric Code) Once abnormality has been detected during operation, the unit will immediately stop its operation. (Timer LED blinks.) Although timer LED goes off when power supply is turned off, if the unit is operated under a breakdown condition, the LED will light up again. In operation after breakdown repair, error code is not displayed. The last error code (abnormality) will be saved in IC memory. Timer LED Blinking in Abnormal Operation: 1. Automatically stops the operation. 2. Timer LED on display of the indoor unit blinks. 3. The LED will be off if the unit is turned off or the Error RESET button on the remote controller is pressed. To display memorized error (Protective operation) status: 1. Turn the unit on. 2. Slide the remote controller cover down to show the operating buttons. 3. Press the CHECK button on the remote controller for continuously 5 seconds or more to show “--” on the display. 4. Press the “TEMP” or button on the remote controller to show “H00” on the display. Signal is transmitted to the main unit. 5. Press the “TEMP” or button (When button is pressed, the display goes back.) repeatedly and slowly until Beep sound (about 5 seconds intermittently) is heard from main unit. 6. Then, displayed error code matches to the error code saved in unit memory. The power LED on the main unit also lights up. Note: When the CHECK button is pressed continuously for 5 seconds again, or when no operation continues for 30 seconds, or when the RESET button on remote controller is pressed with a pointed object, the display is cancelled. To clear memorized error (Protective operation) status after repair: 1. Press the AUTO button in main unit continuously for 5 seconds or more and release it. (Test run / Pump down operation: Beep sound). 2. Press the CHECK button on remote controller for about 1 second to transmit signal to main unit. A beep sound is heard from main unit and the data is cleared.. Temporary Operation (Depending on breakdown status) 1. Press the ON/OFF button after selecting Cooling or Heating operation. (Receiving Beep sound is heard and the TIMER LED blinks.) 2. The unit can temporarily be used until repaired. 41 Error Code Operation Temporary items H23 Cooling Emergency Operation with limited power H27, H28 Cooling, Heating
Page 1 and 2: TABLE OF CONTENTS 1 Safety Precauti
Page 3 and 4: 11. This equipment must be properly
Page 5 and 6: Fan Heat Exchanger Air Filter Type
Page 7 and 8: Heat Exchanger Air Filter Fin Mater
Page 9 and 10: 4 Location of Controls and Componen
Page 11 and 12: 5.2. Outdoor Unit 11
Page 13 and 14: 7 Block Diagram 13
Page 19 and 20: 10.2. Outdoor Unit 10.2.1. Main Pri
Page 21 and 22: 11.3. Indoor Unit 11.3.1. HOW TO FI
Page 23 and 24: 23 11.3.4. CONNECT THE CABLE TO THE
Page 25 and 26: 11.4.3. EVACUATION OF THE EQUIPMENT
Page 27 and 28: 12 Operation and Control 12.1. Basi
Page 29 and 30: 12.1.7. Outdoor Fan Motor Operation
Page 31 and 32: 2. When Powerful operation is stopp
Page 33 and 34: - Check and estimate the cause of s
Page 35 and 36: 13.2. Protection Control For Coolin
Page 37 and 38: 14 Servicing Mode 14.1. Auto OFF/ON
Page 39: 15 Troubleshooting Guide 15.1. Refr
Page 43 and 44: 16 Disassembly and Assembly Instruc
Page 45 and 46: 16.1.3. Removal of Control Board 45
Page 48 and 49: 16.2. Outdoor Electronic Controller
Page 53: 17.1.2. CS-TE12HKE CU-TE12HKE 53
Page 58 and 59: 18 Exploded View and Replacement Pa
Page 60 and 61: 18.2. Outdoor Unit Note The above e

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