15.2 Breakdown Self Diagnosis Function
15.2.1Self Diagnosis Function (Three Digits Alphanumeric Code)
Once abnormality has occurred during operation, the unit will stop its operation, and 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, the Timer LED will no more blink. The last error code (abnormality) will be stored in IC memory.
15.2.2To Make a Diagnosis
1Timer LED start to blink and the unit automatically stops the operation.
2Press the CHECK button on the remote controller continuously for 5 seconds.
3“-
Note: Display only for “-
4Press the “TIMER” ▲ or ▼ button on the remote controller. The code “H00” (no abnormality) will be displayed and signal will be transmitted to the main unit.
5Every press of the button (up or down) will increase abnormality numbers and transmit abnormality code signal to the main unit.
6When the latest abnormality code on the main unit and code transmitted from the remote controller are matched, power LED will light up for 30 seconds and a beep sound (continuously for 4 seconds) will be heard. If no codes are matched, power LED will light up for 0.5 seconds and no sound will be heard.
7The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds.
8The LED will be off if the unit is turned off or the RESET button on the main unit is pressed.
15.2.3To Display Memorized Error Code (Protective Operation)
1Turn power on.
2Press the CHECK button on the remote controller continuously for 5 seconds.
3“-
Note: Display only for “-
4Press the “TIMER” ▲ or ▼ button on the remote controller. The code “H00” (no abnormality) will be displayed and signal will be transmitted to the main unit. The power LED lights up. If no abnormality is stored in the memory, three beeps sound will be heard.
5Every press of the button (up or down) will increase abnormality numbers and transmit abnormality code signal to the main unit.
6When the latest abnormality code on the main unit and code transmitted from the remote controller are matched, power LED will light up for 30 seconds and a beep sound (continuously for 4 seconds) will be heard. If no codes are matched, power LED will light up for 0.5 seconds and no sound will be heard.
7The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds.
8The same diagnosis can be repeated by turning power on again.
15.2.4To Clear Memorized Error Code after Repair (Protective Operation)
1Turn power on (in standby condition).
2Press the AUTO button for 5 seconds (A beep receiving sound) on the main unit to operate the unit at Forced Cooling Operation modes.
3Press the CHECK button on the remote controller for about 1 second with a pointed object to transmit signal to main unit. A beep sound is heard from main unit and the data is cleared.
15.2.5Temporary Operation (Depending On Breakdown Status)
1Press the AUTO button (A beep receiving sound) on the main unit to operate the unit. (Remote control will become possible.)
2The unit can temporarily be used until repaired.
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