13.3. BREAKDOWN SELF DIAGNOSIS FUNCTION
13.3.1. 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 appear the operating buttons.
3.Press the CHECK button on the remote controller for continuously 5 seconds or more to appear
4.Press the “TEMP” or button on the remote controller to appear “H00” on the display. Signal is transmitted to the main unit.
5.Press the “TEMP” 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.
Mote: 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.
Error Code | Operation | Temporary items |
H23 | Cooling | Emergency Operation |
|
| with limited power |
H27, H28 | Cooling, Heating |
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