Sharp R-216LS service manual Before Servicing

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R216LS

PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY

PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY

(a)Do not operate or allow the oven to be operated with the door open.

(b)Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary: (1) interlock operation, (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and latches, (5) evidence of dropping or abuse.

(c)Before turning on microwave power for any service test or inspection within the microwave generating compartments, check the magnetron, wave guide or transmission line, and cavity for proper alignment, integrity, and connections.

(d)Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation and transmission systems shall be repaired, replaced, or adjusted by procedures described in this manual before the oven is released to the owner.

(e)A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner.

BEFOR SERVICING

BEFORE SERVICING

Before servicing an operative unit, perform a microwave emission check as per the Microwave Measurement Procedure outlined in this service manual.

If microwave emissions level is in excess of the specified limit, contact SHARP ELECTRONICS CORPORATION immediately @1-800-237-4277.

If the unit operates with the door open, service person should 1) tell the user not to operate the oven and 2) contact SHARP ELECTRONICS CORPORATION and Food and Drug Administration's Center for Devices and Radiological Health immediately.

Service personnel should inform SHARP ELECTRONICS CORPORATION of any certified unit found with emissions in excess of 4mW/cm2. The owner of the unit should be instructed not to use the unit until the oven has been brought into compliance.

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Contents Model R-216LS Microwave Measurement PRO Precautions for Using Lead Free SolderComponent Replacement Adjustment ProcedureBefore Servicing When the testing is completed After repairingBefore Servicing Leakage test Microwave Measurement ProcedurePreparation for testing RequirementsForeword Foreword and WarningDescription Product Description 1 SpecificationsOven Oven DiagramGeneral Information Grounding InstructionsTouch Control Panel OFF Condition Power Level CookingPower Output Reduction Description of Operating SequenceCooking Condition Schematic Door Closed Clock Appears on DisplayOven Schenatic Off ConditionDescription and Function of Components Troubleshooting Chart Troubleshooting GuideProcedure C High Voltage Rectifier Test Test ProceduresProcedure a Magnetron Assembly Test Procedure B Power Transformer TestProcedure F Primary Interlock System Test Procedure D High Voltage Capacitor TestProcedure E Temperature Fuse Oven Test Procedure F Secondary Interlock Switch TestProcedure G Monitor Switch Test Procedure H Blown Minitor Fuse TestPrimary Interlock Relay RY2 Control Unit Procedure I Noise Filter TestProcedure J Touch Control Panel Assembly Test Key UnitProcedure L Relay Test Procedure K KEY Unit TestProcedure N Foil Pattern on the Printed Wiring Board Test Procedure M Defrost TestR216LS Servicing for Touch Control Panel Touch Control Panel AssemblyPrecautions for Handling Electronic Components Outline of Touch Control PanelServicing Tools Other PrecautionsSoldering Precautions for Using LEAD-FREE SolderUsing lead-free wire solder Employing lead-free solderOuter Case Removal Component Replacement and Adjustment PROCE- DureMagnetron Removal Power Transformer RemovalPositive Lock Connector NO-CASE Type Removal ReinstallControl Panel Assembly Removal Graphic Sheet and Membrane Switch ReplacementTrol Panel Assembly Removal Power Supply Cord Replacement Turntable Motor RemovalCooling FAN Motor Removal Make Sure That the Axis of the Shaft is not Slanted InstallationAdjustment Make Sure That the FAN Blade Rotates Smooth After InstalledDoor Replacement After adjustment, check the followingAfter any service, make sure of the following Sealer Film Figure C-7. Door ReplacementPictorial Diagram Figure DiagramsLiquid Crystal Display Control Panel Circuit Figure S-2Code Printed Wiring Board Figure S-3DIP UnitMeno Parts Guide Oven Parts Parts Code Price NEW Description Rank Mark Oven PartsDoor and Control Panel Parts Door and Control Panel Parts „INDEX

R-216LS specifications

The Sharp R-216LS is a versatile microwave oven that combines affordability with a range of features designed to enhance your cooking experience. Compact yet powerful, this model is especially suitable for small kitchens or dorm rooms, where space is at a premium.

One of the standout features of the Sharp R-216LS is its impressive 800 watts of cooking power. This ensures quick and efficient heating, allowing users to prepare meals in a fraction of the time compared to conventional ovens. The microwave also features a variety of power levels, providing flexibility for different types of cooking and reheating tasks, from defrosting frozen food to cooking delicate items like baked goods.

The R-216LS comes equipped with a spacious 20-liter capacity, which is surprisingly roomy for its size. This allows for ample space to heat up large dishes or multiple servings at once. The interior is designed with easy cleaning in mind, featuring a non-stick coating that prevents food from adhering to the surfaces and simplifies maintenance.

In terms of usability, the Sharp R-216LS boasts a user-friendly interface with straightforward knobs and buttons. It includes a timer and a range of pre-programmed cooking options, enabling users to cook a variety of foods with just the touch of a button. This is particularly beneficial for those new to microwave cooking or for busy individuals looking to save time.

The microwave also incorporates advanced technologies, including inverter microwave technology, which provides a continuous stream of cooking power for more even heating and defrosting. This ensures that your food is cooked thoroughly without the risk of hot and cold spots.

Safety is another priority in the design of the R-216LS. It features a child safety lock, which prevents accidental operation, making it a perfect choice for families with young children. The model also has an automatic shut-off feature, ensuring that the microwave turns off when not in use.

In summary, the Sharp R-216LS is a compact microwave that offers a blend of power, convenience, and safety features, making it an excellent choice for anyone seeking a reliable cooking appliance. Whether for reheating leftovers, cooking meals, or defrosting ingredients, this microwave is designed to meet the diverse needs of modern kitchens. With its combination of thoughtful design and functionality, the R-216LS stands out as a worthy investment for those looking for efficiency and performance in their cooking appliances.
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