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.

[Fig. 11-1] (P.10)

• 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.

[Fig. 11-2] (P.10)

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.

[Fig. 11-3] (P.10)

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)

Navigating through the screens

• To go back to the Main menu................[ MENU] button

• To return to the previous screen........... [ RETURN] button

Indicates whether control power is supplied. Make sure that this LED is always lit.

Indicates whether power is supplied to the wired remote controller. The LED is lit only for the indoor unit that is

connected to the outdoor unit that has an address of 0.

Indicates whether the indoor and outdoor units are communicating. Make sure that this LED is always blinking.