Haier BD-478A service manual Safety Precautions

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SAFETY PRECAUTIONS

Safety Precautions

Read all of the instructions before using this appliance. When using this appliance, always exercise basic safety precautions, including the following:

1.Use this appliance only for its intended purpose as described in this uses and care guide.

2.This freezer must be properly installed in accordance with the installation section. Instructions before it is used, See grounding instructions in the installation section.

3.Never unplug your freezer by puling on the power cord, Always grasp the plug firmly and pull straight out from the outlet.

4.Repair or replace immediately, all electric service cords that have become frayed or otherwise damaged, Do not use a cord that shows cracks or abrasion damage along its length, the plug or the connector end.

5.Unplug your freezer before cleaning or before making any repairs, Note: If for any reason this product requires service, we strongly, recommend that a certified technician perform the service.

6.If your old freezer is not being used, we recommend that you remove the door and leave the shelves in place; this will reduce the possibility of danger to children.

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Contents BD-478A Contents Product Code Illumination and Series Introduction First letter of Freezer in Chinese spellingFeatures FeaturesSpecifications BD-388A BD-478ASafety Precautions Safety Precautions Net Dimension 1420*715*810 1690*715*8101420*715*1470 1690*715*1470 Installation and Accessory Parts ·Proper Air CirculationElectrical Requirement Installation and Accessory Parts Defrosting and Draining The Freezer Food Storage BasketSystem Flow Chart Adjustable temperature dial Function ScheduleMaintenance Service and Trouble Shooting Brief description of principle about BD-318A/428AServicing freezer Reasons of electricity leakage of freezerMaintenance Service and Trouble Shooting Maintenance Service and Trouble Shooting Troubleshooting by sounds Troubleshooting by touch System noise repair Poor freezing effect analysis and solutions How to handle the seal bar for poor sealing Why freezer cannot be used at low temperature environment How to know there is problem with compressor MotorPage Page Procedure for fan change Procedure for temperature controller changeCommon freezer problems Operation of freezer is not normal Service procedure Repair equipment RequirementsEvacuation and fill machine is special only for R134a use Changing procedure of R134a compressor Compressor installation and brazing procedures Application and maintenance of freezer Product charactersPage Safety notice of product MaintenanceStandard procedure of maintenance 12.5 Freezer repair tool and equipment It is not allowed to fill R134a by R12 filling equipmentProcedure for filling equipment ⑧ Switch off motorFreezer noise sources CompressorFilling Resonance sound of compressor components How is the sound of water flowing generated? Gas flowing soundWhy the freezer’s noise increases after using Why freezer noise changes greater at night? Why freezer’s noise increases after stop use for sometime?How to reduce freezer’s noise? Sometime?Why freezer noise measured at home is incorrect? What are the national stipulations for freezer Noise?Page Why the noises of it type freezers are different? AnswerHow to determine that the sound is noise or Normal? Noise test There are stipulations in Items 6.5.7.1 and 6.3.6.1.of GB/TMaintenance Service and Trouble Shooting 12.8Measuring technology of freezer performance parameter Temperature with load Test method and instrumentGround resistor Maintenance Service and Trouble Shooting Maintenance Service and Trouble Shooting Maintenance Service and Trouble Shooting Exploded View List of Parts QTY BD-388A/478A 392% 600% Lamp switch BD-388A/478A 010% 020%