User manual TOSHIBA RAV-SM454SDT-E SERVICE MANUAL

[. . . ] A08-007 SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE INDOOR UNIT <DIGITAL INVERTER> RAV-SM404SDT-E RAV-SM454SDT-E RAV-SM564SDT-E OUTDOOR UNIT <SUPER DIGITAL INVERTER> RAV-SP404AT-E RAV-SP404ATZ-E RAV-SP404ATZG-E RAV-SP564AT-E RAV-SP564ATZ-E RAV-SP564ATZG-E RAV-SP454AT-E RAV-SP454ATZ-E RAV-SP454ATZG-E RAV-SP804AT-E RAV-SP804ATZ-E RAV-SP804ATZG-E R410A PRINTED IN JAPAN, Jan. , 2009 ToMo Adoption of New Refrigerant This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer. WARNING Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be sure to have a service person do it. The cleaning diagram for the air filter is there for the service person, and not for the customer. CONTENTS SAFETY CAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] YES Are resistance values between phases at fan motor connector CN333 motor side of indoor P. C. 1 Correct NO Replace indoor fan motor. Incorrect Replace indoor fan motor. 1 · Are not coil windings between (Red lead) and (White lead), between (White lead) and (Black lead), between (Black lead) and (Red lead) opened or shorted? The resistance should be the resistance value below. 27 to 40 · Is not grounded between cabinet and , , . It should be 10M or more. Is resistance value of fan motor connector CN334 motor side of indoor P. C. 2 Correct Incorrect Replace indoor fan motor. 2 Resistance value confirmation of the fan motor position detection circuit Is not status between (Yellow lead) and (Pink lead) opened or shorted?5k to 20k. Is output of indoor fan motor position detection signal correct?3 YES NO Replace indoor fan motor. 3 Confirmation of the fan motor position detection signal · Using a voltage tester, measure voltage between CN334 and on the indoor P. C. board (MCC-1570) under condition that CN333 and CN334 are mounted and the power supply is turned on. When rotating the fan slowly with hands, the pin voltage should shake between 0 and 5V. · Between and : 5V Check indoor P. C. Defect Replace ­ 87 ­ [F02 error] Is connection of TC sensor connector (CN101 on Indoor P. C. YES NO Correct connection of connector. Are characteristics of TC sensor resistance value normal?YES NO Replace TC sensor. Refer to Characteristics-2. Check indoor P. C. Defect Replace [F01 error] Is connection of TCJ sensor connector (CN102 on Indoor P. C. YES NO Correct connection of connector. Are characteristics of TCJ sensor resistance value normal?YES NO Replace TCJ sensor. Refer to TCJ sensor (Temperature-Resistance value characteristic table) Check indoor main P. C. Defect Replace ­ 88 ­ [C06 error] (TCC-LINK central controller) NO Are U3 and U4 communication lines normal?YES Correct communication line. 1 Is connection of connector normal?YES NO Correct connection of connector. 1 TCC-LINK central: CN51 of TCC-LINK adapter P. C. board (MCC-1440) and CN050 of indoor P. C. board NO Are A and B communication lines normal? [. . . ] 701 702 703 704 705 706 707 708 710 711 712 Part No. Description Model Name RAV-SP 404AT-E 404ARZ-E 404ATZG-E 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 454AT-E 1 1 1 1 1 1 1 1 1 1 1 454ATZ-E 454ATZG-E 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 43050422 Sensor, TE 43050423 Sensor, TS 43050427 Sensor, TO 43050430 Sensor, TD 43062228 Base, P . C. board 43160566 Terminal, Block 6P 20A , 4316V293 P Board Ass'y, SW, MCC-1530 . C. 4316V367 P . C. board Ass'y, MCC-5009 43160571 Fuse, Holder, 250V, 15A 43160590 Fuse, AC250V, 6. 3A 43158192 Reactor ­ 169 ­ 15-2-2. RAV-SP564AT-E, RAV-SP564ATZ-E, RAV-SP564ATZG-E 12, 13, 14 19, 20 4 39, 40 21, 22 34 35 15, 18 33 16, 17 10, 30, 36 32 37, 38 2 31 41, 42 6 24 3 9 26, 27 25 8 1 23 29 28 7 11 5 ­ 170 ­ Location No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Part No. [. . . ]