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21
9. Test run
*1 If the beeper does not sound again after the initial two beeps to confirm the self-check start signal was received and the OPERATION INDICATOR lamp does not
come on, there are no error records.
*2 If the beeper sounds three times continuously “beep, beep, beep (0.4 + 0.4 + 0.4 sec.)” after the initial two beeps to confirm the self-check start signal was
received, the specified refrigerant address is incorrect.
• On IR wireless remote controller
The continuous buzzer sounds from receiving section of indoor unit.
Blink of operation lamp
• On wired remote controller
Check code displayed on the LCD.
• If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause.
On the IR wireless remote controller with conditions above, following phenomena takes place.
• No signals from the remote controller are accepted.
• OPE lamp is blinking.
• The buzzer makes a short ping sound.
Note:
Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
9.4. AUTO RESTART FUNCTION
Indoor controller board
This model is equipped with the AUTO RESTART FUNCTION.
When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed are memorized by the indoor controller board. The auto
restart function sets to work the moment the power has restored after power failure, then, the unit will restart automatically.
Set the AUTO RESTART FUNCTION using the remote controller. (Mode no.01)
10. Easy maintenance function
Maintenance data, such as the indoor/outdoor unit’s heat exchanger temperature and compressor operation current can be displayed with “Smooth maintenance”.
* This cannot be executed during test operation.
* Depending on the combination with the outdoor unit, this may not be supported by some models.
1 [Fig. 10-0-1] (P.9)
• Select “Service” from the Main menu, and press the [SELECT] button.
• Select “Check” with the [F1] or [F2] button, and press the [SELECT] button.
• Select “Smooth maintenance” with the [F1] or [F2] button, and press the [SELECT] button.
2 [Fig. 10-0-2] (P.9)
Select each item.
• Select the item to be changed with the [F1] or [F2] button.
• Select the required setting with the [F3] or [F4] button.
“Ref. address” setting ………. “0”-“15”
“Stable mode” setting……….. “Cool” / “Heat” / “Normal”
• Press the [SELECT] button, fixed operation will start.
* Stable mode will take approx. 20 minutes.
3[Fig. 10-0-3] (P.9)
The operation data will appear.
The Compressor-Accumulated operating (COMP. run) time is 10-hour unit, and the Compressor-Number of operation times (COMP. On/Off) is a 100-time unit (fractions
discarded).
Symptom
Cause
Wired remote controller LED 1, 2 (PCB in outdoor unit)
PLEASE WAIT
For about 2 minutes
following power-on
After LED 1, 2 are lighted, LED 2 is turned off,
then only LED 1 is lighted. (Correct operation)
• For about 2 minutes after power-on, operation of the
remote controller is not possible due to system start-up.
(Correct operation)
PLEASE WAIT Error code
After about 2 minutes
has expired following
power-on
Only LED 1 is lighted. LED 1, 2 blink.
• Connector for the outdoor unit’s protection device is not
connected.
• Reverse or open phase wiring for the outdoor unit’s power
terminal block (L1, L2, L3)
Display messages do not appear
even when operation switch is
turned ON (operation lamp does
not light up).
Only LED 1 is lighted. LED 1, 2 blinks twice,
LED 2 blinks once.
• Incorrect wiring between indoor and outdoor units
(incorrect polarity of S1, S2, S3)
• Remote controller wire short
Navigating through the screens
• To go back to the Main menu…………[MENU] button
• To return to the previous screen………[RETURN] button
KJ79P806H01.book 21 ページ ２０２１年１２月１３日 月曜日 午後２時１５分
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