This Service Handbook includes only the contents about the Plasma Quad Connect. For indoor units or other interfaces connected to this product, refer to the service handbook of each device. Connectable indoor units ■ MAC-100FT-E Connectable indoor units are the MSZ series, PKA series, PKFY series, PEFY series, PEAD series and SEZ series with CN105, the connector for the optional parts for remote control.
Precautions on failure diagnosis [Precautions for setting up, or use of the Plasma Quad Connect] ■ Meanings of symbols used in this manual Be sure not to do. Never splash water on the unit. Never touch with wet hand. Be sure to follow the instruction. Warning (Improper handling may have serious consequences, including serious injury or death.) ■...
System Construction ■ When only the Plasma Quad Connect is connected to an indoor unit [Plasma Quad Connect] [Power supply cord] [Indoor unit/Plasma Quad Connect connecting wire] [Indoor unit] ■ When the Plasma Quad Connect and other interfaces are connected to an indoor unit [Powersupply cord] [Plasma Quad Connect] [Plasma Quad Connect /...
Procedure of failure diagnosis Check the following items when the Plasma Quad Connect or the other connected inter- face does not work properly. 4.1 Checking method when the Plasma Quad Connect does not work properly Perform operation check of the Plasma Quad Connect according to the following flow chart. 4.1.1 When only the Plasma Quad Connect is connected Operation check of the Plasma Quad Connect (when only the Plasma Quad Connect is connected)
4.1.2 When the other interface is also connected Operation check of the Plasma Quad Connect (when the other interface is also connected) Turn the air conditioner ON. Perform failure diagnosis of the air conditioner Does the air conditioner (main unit) work? (main unit).
4.2 Failure diagnosis method of the Plasma Quad Connect Perform failure diagnosis of the Plasma Quad Connect according to the following procedure. Failure diagnosis of the Plasma Quad Connect Turn off the breaker of the Plasma Quad Connect. Short-circuit the JPS/JPG on the printed circuit board in the electrical box with a crocodile clip, etc.