User manual TOSHIBA RAV-SM2804AT8-E SERVICE MANUAL

[. . . ] A09-004 SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE OUTDOOR UNIT <DIGITAL INVERTER> RAV-SM2244AT8-E RAV-SM2804AT8-E RAV-SM2244AT8Z-E RAV-SM2804AT8Z-E RAV-SM2244AT8ZG-E RAV-SM2804AT8ZG-E RAV-SM2244AT7 RAV-SM2244AT7Z RAV-SM2244AT7ZG RAV-SM2804AT7 RAV-SM2804AT7Z RAV-SM2804AT7ZG R410A PRINTED IN JAPAN, Jun, 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] board If and , and are different, an error of the pressure sensor is considered. YES Check miss-wiring, wrong installation and connection of connector. YES Isn't any indoor unit which has different refrigerant system connected?NO Correct wiring to regular wiring. (Using miss-wiring check function of the outdoor unit, check them. ) In cooling season, go to A . In heating season, go to B . A Cooling Does cooling indoor fan normally operate?NO Refrigerant shortage, clogging or pipe breakage is considered. NO Are parts related to the indoor fan motor normal?Fan YES Cleaning NO Repair the defective position. YES Check indoor P. C. board Defective Replace Are connection of connectors and coils normal?YES NO Repair the defective position. YES Is blocking found in entire valve? B Heating Replace PMV with new one. NO NO Is indoor fan system normal?· Fan breakage · Fan coming-off YES Cleaning NO Check outdoor P. C. board Defective Replace NO Does heating outdoor fan normally operate?YES Repair the defective position. YES Shortage of refrigerant/blocking/pipe breakage [L10] <Display 1> <Display 2> [Unset model type]: Only when service P board is used . C. ¡ ¡ ¡ ¡ ¡ l ¥ ¥ l l Cut jumper line according to the explanation sheet packaged with the service P board. . C. l l ­ 72 ­ Check code [L29] Outdoor LED display Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) There is a possibility that it is one of the following errors. sensor (TH) error, EEPROM error, Unset model type, Heat sink overheat error, Gas leak detection, 4-way valve inverse error <Display 1> <Display 2> ¡ ¡ ¡ ¡ l ¡ ¥ ¥ ¥ l ¥ ¡ [Heat sink temp. sensor (TH) error] Refer to [F13] column. l [Communication error between MCU] 1. Connection check between CN802 of MCC-1599 and CN504 of MCC-1597 and also connection check between CN505 of MCC-1597 and CN851 of MCC-1596. Defect Replace <Display 1> <Display 2> ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ l l ¥ ¥ ¥ ¡ ¥ ¥ ¥ ¥ ¥ ¡ [EEPROM error] Refer to [F31] column. l l <Display 1> <Display 2> l l <Display 1> <Display 2> [Unset model type] Refer to [L10] column. l ¥ ¥ l l l l <Display 1> <Display 2> ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ [Heat sink overheat error] Refer to [P07] column. l ¥ ¥ ¥ ¡ [Gas leak detection] Refer to [P15] column. l l <Display 1> <Display 2> l ¥ ¥ ¥ ¥ ¡ ¥ [4-way valve inverse error] Refer to [P19] column. l <Display 1> <Display 2> l ¥ ¥ ­ 73 ­ l l Check code [P03] Outdoor LED display <Display 1> <Display 2> Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) [Discharge temp. Recharge refrigerant. ¡ ¡ ¡ ¡ ¡ ¡ l ¥ ¥ l l l [P04] There is a possibility that it is one of the following errors. (2) power supply error (Vdc), (3) high-pressure protective operation, (4) case thermo operation. <Display 1> <Display 2> ¡ ¡ ¡ ¡ ¡ ¡ l ¥ l l l l [High pressure SW system error] Power supply error (Vdc), High pressure protective operation, Case thermostat operation. Doesn't high pressure switch operate?YES Reset the power supply and then do a trial operation according to the season. IPDU PC board Defective Replace Does cooling outdoor fan normally operate? [. . . ] 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 43 44 45 46 47 48 49 50 51 52 53 55 56 57 58 59 60 61 Part No. 43120224 43122065 43191651 43100323 43050407 43151301 4312C037 4316V135 43146680 43146725 43146700 37546847 43146722 43146698 43146734 43148208 43148209 43100345 43111337 43122095 43122105 4314G187 4314G188 4314G189 4314G191 4314G192 4314G193 4301P703 4301P729 43146676 43119390 43100347 43149318 43149320 43111334 43111335 43111336 43100329 43100332 43100335 43100338 43100341 43150321 43197164 43047669 43196113 43149324 43047692 43147451 43147649 4314Q008 43063317 43019904 43197183 43197184 43149325 43119477 43119478 43046494 4314Q004 Description Fan, Proprller, PE492 Bell Mouth Guard, Fan Guard, Fin Thermostat, Bimetal Switch, Pressure Motor, Fan, ICF-280-A100-1 Bush Valve, Packed, 12. 7 Valve, Ball, SBV-JA6GTC-1 Valve, 2-way, VPV-603D Coil, Solenoid, 2-way, AC220­240V Coil, Solenoid, STF-01AJ502E1 Valve, 4-way, STF-0731G Valve, Check, ZGV-S55B-A Accumulator Accumulator Panel, Back, Piping Rubber Base Ass'y, Motor Base Ass'y, Motor Condenser Ass'y, Lower Condenser Ass'y, Lower Condenser Ass'y, Lower Condenser Ass'y, Up Condenser Ass'y, Up Condenser Ass'y, Up Mark, TOSHIBA Mark, Inverter Joint, Check Hanger Panel, Front, Piping Rubber, Supporter, Pipe, DIA 19. 0 Rubber, Supporter, Pipe, DIA 8. 0 Insulator, Sound, Up Insulator, Sound, In Insulator, Sound, Out Cabinet Ass'y, Out Cabinet Ass'y, Up Cabinet Ass'y, Front Panel Ass'y, Side Cabinet Ass'y, Top Sensor Ass'y, Low Pressure, NSK-BC010F-067 Nut, Flange Nut, Flange Bushing Rubber, Cushion Bonnet Bonnet, 3/4 IN Strainer Strainer Holder, Thermostat Holder, Sensor Bolt, Compressor, M6 Bolt, Compressor, M6 Band, Fix Plate, Fix, Condenser Plate, Fix, Condenser Coil, PMV Ass'y, UKV-A040 Strainer Model name RAV-SM2244 RAV-SM2804 AT8-E AT8Z-E AT8ZG-E AT8-E AT8Z-E AT8ZG-E 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 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 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 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 2 2 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 3 1 1 1 1 1 3 3 2 2 2 1 1 2 2 3 1 1 1 1 1 3 3 2 2 2 1 1 2 2 3 1 1 1 1 1 3 3 2 2 2 1 2 2 3 1 1 1 1 1 3 3 2 2 2 1 1 1 2 2 3 1 1 1 1 1 3 3 2 2 2 1 1 2 2 3 1 1 1 1 1 3 3 2 2 2 1 ­ 125 ­ 15-2. Inverter Assembly RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E 702 705 704 718, 719 714 720 717 718, 719 711 709 722 716 712 720 708 710 703 721 701 709 713 720 715 (TE) (TS) (TO) (TD) (TL) 706 707 ­ 126 ­ Location No. 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 Model name Part No. [. . . ]