User manual TOSHIBA L1333

[. . . ] PARTS RATING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERATING CYCLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONTROL OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . APPLIED CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Check opened status of SVS valve. Check code Main remote controller H07 Outdoor 7-segment display Check code H07 Auxiliary code -- I/F Protection for oil level drop detection All stop The operating compressor detected oil shortage continuously for 2 hours. <Check all the outdoor units in the corresponding line. > · Check full opening of service valve of balance pipe. · Check connection and installation of TK1, TK2, TK3, and TK4 sensors. · Check characteristics of TK1, TK2, TK3, and TK4 resistance values. <Check clogging of oil equation pipe between compressors. > · Check TS1, TS2 sensors (Miswiring and misinstallation of TS1 and TS2) · Check leakage of SV6 circuit. Leakage of check valve of bypass between liquid pipe and discharge gas pipe Mispiping of discharge/suction gas connection Miswiring of SVD/SVS valve/Misinstallation of coil · Check whether there is no setup missing of indoor unit in all cooling operation mode H08 H08 01: 02: 03: 04: TK1 sensor error TK2 sensor error TK3 sensor error TK4 sensor error I/F Oil level detective temp sensor error All stop · Resistance value of sensor is infinite or zero. · · · · · · · · · · · Check compressor 2 case thermo circuit. (Wiring, OFF at one side only) Check mispiping of discharge gas/suction gas main pipe. (Check leakage of SVDD valve and SVSS. ) Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between FS unit and indoor unit, and connection of connectors. Detected position Check code name Status Error detection condition Check item (position) 56 H14 H14 All stop · Resistance value of sensor is infinite or zero. (Open/Short) All stop · Resistance value of sensor is infinite or zero. Note) UART: Universal Asynchronous Receiver Transmitter 58 L20 L28 -- L28 -- -- Indoor I/F Duplicated central control addresses Quantity over of connected outdoor units L29 L29 01: 02: 03: 04: 05: 06: 07: IPDU1 error IPDU2 error IPDU1, 2 errors Fan IPDU error IPDU1 + Fan IPDU error IPDU2 + Fan IPDU error All IPDU error or communication error between IPDU and I/F P . C. I/F IPDU quantity error L30 L30 Detected indoor address Indoor -- L31 -- I/F Extended IC (Integrated Circuit) error All stop No. of IPDU units detected when power was turned on were less. Interlock in indoor unit from outside Corresponding · Outside error input terminal unit only stops. Detected signal to (CN80) for more 1 minute n Outside device is connected to connector (CN80): 1) Check outside device error. n Outside device is not connected to connector (CN80): 1) Check indoor P board error. . C. Operation continues. P board (I/F) parts error . C. Check indoor (I/F) P board. . C. Check code Main remote controller P01 Outdoor 7-segment display Check code -- Auxiliary code -- Indoor Indoor fan motor error Corresponding unit only stops. · · · · · · · · · · · Check full opening of outdoor service valves (Gas side, Liquid side). (Miswiring and misinstallation of SV41 and SV42) Check leakage of SV5 circuit. (Capillary clogging, valve operation error) Check mispiping of discharge gas/suction gas main pipe. (Check leakage of SVDD valve and SVSS. ) Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between FS unit and indoor unit, and connection of connectors. [. . . ] (The data at shipment from the factory is written in EEPROM by changing the type and capacity code. ) 1) Set to the item code (DN). (For example, 0001 indicates 4-way Air Discharge Cassette type. ): Refer to the attached table. 1 3 4 3) Push SET button. (OK if display goes on. ) 5 4) Using temperature setup / buttons, set to the item code (DN). (OK if display goes on. ) 7) Push TEST button to return to the normal stop status. [. . . ]