User manual TOSHIBA RAV HEAT PUMP RANGE SERVICE MANUAL

[. . . ] (A receiving beep is heard). Economy button (ECONO) · Push this button to set the economical operation mode of the air conditioner. Remote Functions (Cover Open) Mode select button (MODE) ON/OFF Button · Push this button to start operation. (A receiving beep is heard) · Push the button to stop operation. Each time you push the button, a mode is selected in a sequence that goes from AUTO, COOL, DRY, HEAT, FAN ONLY, and back to AUTO. [. . . ] · The average battery life during normal use is approximately one year. · Replace the batteries when there is no receiving beep from the indoor unit or if the transmission indicator on the remote control unit fails to show. 1-3-4. Cautions · · · · · · The air conditioner will not operate if curtains, doors or other materials block the signal from the remote controller to the indoor unit. If the infrared signal receiver on the indoor unit is exposed to direct sunlight, the air conditioner may not function properly. If the room using the air conditioner has fluorescent lighting with electronic starters, signals may not be properly received. If you are planning to use such fluorescent lamps, consult your local dealer. If other electrical appliances react to the remote control, either move these appliances or consult your local dealer. -8- 1-4 OPERATING MODES Once selected the operating mode is stored in the unit's microcomputer memory. Thereafter, the air conditioner will operate under the same conditions when you operate the ON/OFF button of the remote controller. 3 1 2 1-4-1. AUTO Operation When you set the air conditioner in AUTO mode, it initially selects cooling mode. Then depending on the room temperature the mode of operation may change. Operation Steps (1) · (2) · · (3) · · Stop: · Note: · · Supply Power On The OPERATION LED on the remote receiver starts flashing. The operating mode is selected in accordance with the room temperature and operation starts after approximately 3 minutes. ON/OFF button Push this button again to stop the air conditioner. If the AUTO mode is uncomfortable, you can select the desired conditions manually. The FAN speed display will show AUTO and the fan speed will be automatically controlled. -9- 1-4-2. HEAT Operation Operation Steps Supply Power On The OPERATION LED on the display panel of the indoor unit starts flashing. (3) FAN button · Select any of the "AUTO", "LOW", "MED" and "HIGH". (4) ON/OFF button · Push this button again to start the air conditioner. After a period of preheating the DEFROST LED extinguishes and heating operation starts. Stop: ON/OFF button · Push this button again to stop the air conditioner. 4 1 2 3 (A) 1-4-3. COOL Operation Supply Power On The OPERATION LED on the remote receiver starts flashing. Cooling 17°C or higher FAN button Select any of the "AUTO", "LOW", "MED" and "HIGH". ON/OFF button Push this button again to stop the air conditioner. Operation Steps (1) · (2) · · (3) · (4) · · Stop: · (B) 1-4-4. · FAN ONLY Operation The FAN ONLY mode does not control temperature. [. . . ] OUTDOOR HEAT-EXCHANGER SENSOR (TL) Out of place, break, short-circuit. Operation continuing Outdoor unit stops (indoor fan L) Full stop 1. (contactor OFF, compressor stops: AH8 Models) (contactor ON, compressor stops: AH Models) 2. Check the outdoor PC board. HIGH PRESSURE Full stop SWITCH High pressure switch does not reset. Check the outdoor PC board. WRONG WIRING OF REMOTE CONTROL UNIT Indoor unit does not operate at all. Full Stop 1. [. . . ]