SiBE06-708 Introductionv1. Introduction1.1 Safety CautionsCautions andWarnings Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “ Warning” and “ Caution”. The “ Warning”items are especially important since they can lead to death or serious injury if they are notfollowed closely. The “ Caution” items can also lead to serious accidents under someconditions if they are not followed. Therefore, be sure to observe all the safety caution itemsdescribed below. About the pictogramsThis symbol indicates the item for which caution must be exercised.The pictogram shows the item to which attention must be paid.This symbol indicates the prohibited action.The prohibited item or action is shown in the illustration or near the symbol.This symbol indicates the action that must be taken, or the instruction.The instruction is shown in the illustration or near the symbol. After the repair work is complete, be sure to conduct a test operation to ensure that theequipment operates normally, and explain the cautions for operating the product to thecustomer.1.1.1 Cautions Regarding Safety of WorkersWarningBe sure to disconnect the power cable plug from the plug socket beforedisassembling the equipment for repair.Working on the equipment that is connected to the power supply may cause anelectrical shook.If it is necessary to supply power to the equipment to conduct the repair orinspecting the circuits, do not touch any electrically charged sections of theequipment.If the refrigerant gas is discharged during the repair work, do not touch thedischarged refrigerant gas.The refrigerant gas may cause frostbite.When disconnecting the suction or discharge pipe of the compressor at thewelded section, evacuate the refrigerant gas completely at a well-ventilatedplace first.If there is a gas remaining inside the compressor, the refrigerant gas orrefrigerating machine oil discharges when the pipe is disconnected, and it maycause injury.If the refrigerant gas leaks during the repair work, ventilate the area. Therefrigerant gas may generate toxic gases when it contacts flames.The step-up capacitor supplies high-voltage electricity to the electricalcomponents of the outdoor unit.Be sure to discharge the capacitor completely before conducting repair work.A charged capacitor may cause an electrical shock.Do not start or stop the air conditioner operation by plugging or unplugging thepower cable plug.Plugging or unplugging the power cable plug to operate the equipment maycause an electrical shock or fire.
