User manual TOSHIBA RAV-SM1402BT-E SERVICE MANUAL

[. . . ] A05-018 SERVICE MANUAL/INTEGRATION SPLIT TYPE INDOOR UNIT <DIGITAL INVERTER> RAV-SM562UT-E RAV-SM562BT-E RAV-SM802UT-E RAV-SM802BT-E RAV-SM1102UT-E RAV-SM1102BT-E RAV-SM1402UT-E RAV-SM1402BT-E <SUPER DIGITAL INVERTER> RAV-SP1102UT-E RAV-SM562CT-E RAV-SM802CT-E RAV-SM1102CT-E RAV-SM1402CT-E · Service Manual for RAV-SMKRT and RAV-SMXT contact the Sales company or Dealer. OUTDOOR UNIT <DIGITAL INVERTER> RAV-SM562AT-E RAV-SM802AT-E <SUPER DIGITAL INVERTER> RAV-SP562AT-E RAV-SP802AT-E RAV-SM1102AT-E RAV-SP1102AT-E RAV-SM1402AT-E RAV-SP1402AT-E R410A PRINTED IN JAPAN, Jan. , 2006 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. NOTE A direct current motor is adopted for indoor fan motor in the Concealed Duct Standard Type air conditioner. Caused from its characteristics, a current limit works on the direct current motor. When replacing the highperformance filter or when opening the service board, be sure to stop the fan. [. . . ] YES NO Is connection of cabling connector normal?YES NO Correct connection of cabling connector. Check TE sensor. Defect Replace Does cooling outdoor fan normally operate?YES Do not TD and TO sensors come off the detection part?YES Are characteristics of TD, TO, TC sensor resistance values normal?NO ® Correct coming-off. Replace TD, TO, and TC sensors. * Refer to Characteristics-3 and 4. Check CDB. Defect Replace * For RAV-SM562AT-E, replace control P. C. board. ® ­ 97 ­ [C06 error] (Central controller) NO Is U3, U4 communication line normal?YES Are connections between connectors CN51 of connection interface P. C. board and connectors CN51 of indoor P. C. YES NO Is A, B communication line normal?YES YES Is there no connection error of power line?NO YES Is not power of source power supply turned on?NO Can central remote controller control normally other indoor units?Is handling of central remote controller reflected on the operation status of indoor unit?YES Can handy remote controller control normally other indoor units?Defect Replace NO (Same as others) Eliminate noise, etc. Check connections of A, B terminal blocks. Correct communication line of remote controller. Correct communication line. NO Correct connection of connector. Check central controller. Defect Replace Check connection interface P. C. Defect Replace ­ 98 ­ [E03 error] (Master indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal sent from the main remote controller (and central controller). In this case, check the communication cables of the remote controllers A and B, the central control system X and Y. [. . . ] Return a set of the refrigeration cycle assembly into the outdoor unit base plate, and assemble sound insulation board, partition plate assembly, fan motor assembly, and side cabinet (R/L) as original. 3-1 Thermostat fixing plate Side cabinet (R) Using screws (Self-tapping screw type-B Ø4 × 8mm, stainless), fix the thermostat fixing plate to the side cabinet (R). 3-2 Do not make cord heater loose. Do not put the heating part near the electric parts box. Perform cable process for collected cord heater and fan motor lead cables. After incorporating the inverter assembly as before, furthermore perform cable process for cord heater and power cord. For the cord heater, perform cable process so that there is no looseness or sag at the fan side. [. . . ]