User manual TOSHIBA RAV-SM801KRT-E SERVICE MANUAL

[. . . ] FILE NO. SVM-05034 SERVICE MANUAL HI WALL TYPE (INDOOR UNIT) RAV-SM561KRT-E RAV-SM801KRT-E R410A CONTENTS 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONSTRUCTION VIEWS (EXTERNAL VIEWS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SYSTEMATIC REFRIGERATING CYCLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Check high-pressure switch circuit wiring. Failure of electronic expansion valve 3. Overcurrent protection circuit operation of outdoor unit fan driver 3. The circuit is activated even after compressor's 3P connector is disconnected. Check outdoor unit CDB board. P03 Abnormal discharge temperature (over specified value) Indicated when an error is detected Indicated when an error is detected P04 P22 Failure of high-pressure protection circuit OFF (Temperature over specified value detected by TE sensor) High-pressure switch (normal models) OFF Failure of outdoor unit DC fan Indicated when an error is detected P26 P29 OFF Inverter overcurrent protection circuit activated (short time) Main circuit short voltage operation OFF Failure of IPDU position detect circuit Improper mounting, disconnection OFF or short-circuit of outdoor unit temp. sensor TD Improper mounting, disconnection OFF or short-circuit of outdoor unit temp. sensor TE, TS Improper mounting, disconnection or short-circuit of outdoor unit outside air temp. sensor TO Operation continued Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected F04 F06 F08 *1 ROA-P*** is not detected by 1HS models. Fan continues rotating in a failure mode detected by outdoor unit because there is no communication between outdoor unit and follower indoor unit in twin group. ­ 34 ­ Troubleshooting (Continued) 2. Troubleshooting by Remote Controller Check Indication Main Remote Controller (RBC-AMT31E) (1) Checking When an error occurs in the air conditioner, a check code and an indoor unit number appear on the LCD of remote controller. Check code is displayed only during operation. If indication disappears, check errors following "Checking Error Log" below. Check code Faulty indoor unit No. (2) Checking Error Log When an error occurs in the air conditioner, error log can be checked following the steps below. Error log can be checked in both operation ON and OFF states. Step Operation Press [SET] and [TEST] at the same time for 4 seconds or more. The LCD indication changes as shown below. Indication of "SERVICE CHECK" shows that the unit is in the error log mode. "01" (order of error log) is displayed. · The address of faulty indoor unit is displayed in the UNIT No. / buttons displays stored error log sequentially. Check code "01" shows the latest error, and "04" shows the oldest. Note Do not press [CL] as this button clears entire error log of indoor unit. After checking the error log, press [TEST] to return to the normal indication. A B C Numbers appearing on the LCD <Seven-segment display> Hexadecimal number ­ 35 ­ TCC-LINK Central Control Remote Controller (TCB-SC642TLE) (1) Checking When an error occurs in the air conditioner, a Indication of unit number check code and an indoor unit number appear on UNIT No. Check code is displayed only during operation. [. . . ] Address setting is completed automatically. *** 3) Multiple group operation A (single) B (triple) C (double) 2-1 F/M 1-1 F/M 2-1 F/S 3-3 H/S 3-1 F/M 2-2 F/S 1-2 F/S 3-2 F/S *** Address change required *** Change sub unit addresses at the same time manually from remote controller. 2-1 1-1 1-2 1-3 3-1 3-2 3-3 3-4 H: F: M: S: Header indoor unit Follower indoor unit Main indoor unit Sub indoor unit ­ 73 ­ 3. Address Setting When determining indoor unit addresses with wiring completed without piping construction (Manual setting by remote controller) <Address setting procedure> Connect a remote controller to the indoor unit whose address you want to set one to one. Turn ON the power. 1 Press , , and on the R/C simultaneously for 4 seconds or more. [. . . ]