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SHARP R-21LC, R-21LT, R-21LV Owner's Manual

Summary

Introducing the comprehensive operation manual for 1000 Watt Light Duty Commercial Microwave Ovens (Models R-21LC, R-21LT, R-21LV). This guide is designed for commercial users, providing detailed instructions on safe and efficient appliance operation. It covers essential topics including precise timing settings, memory functions, autofrosting modes, professional cleaning guidelines, and critical safety precautions to ensure optimal performance. Use this manual to master all features and maintain your equipment seamlessly.

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Page 1 Text Content

1000 WATTS-LIGHT DUTY COMMERCIAL MICROWAVE OVEN

MODELS R-21LC, R-21LT, R-21LV OPERATION MANUAL

FOR CUSTOMER ASSISTANCE To aid in reporting this commercial microwave oven in case of loss or theft, please record below the model number and serial number located on the unit. We also suggest you record all the information listed and retain for future reference.

MODEL NUMBER SERIAL NUMBER DATE OF PURCHASE DEALER TELEPHONE SERVICER TELEPHONE TO PHONE: SERVICE and PARTS (for your nearest Sharp Authorized Servicer and Parts Distributor) United States 1-800-BE-SHARP(237-4277)

ADDITIONAL CUSTOMER INFORMATION 201-529-8711

TO WRITE: For additional information:

Commercial Microwave Oven Department Sharp Electronics Corporation Sharp Plaza, Box 650 Mahwah, NJ 07430-2135

For service problems, warranty information, missing items and other assistance:

Sharp Electronics Corporation Customer Assistance Center 1300 Naperville Drive Romeoville, IL 60446-1091

Please provide the following information when you write or call: model number, serial number, date of purchase, your complete mailing address (including zip code), your daytime telephone number (including area code) and description of the problem.

TO ACCESS INTERNET: WWW.sharpusa.com

Page Summary Contents For SHARP R-21LC, R-21LT, R-21LV Owner's Manual

Page 1 1000 WATTS-LIGHT DUTY COMMERCIAL MICROWAVE OVEN MODELS R-21LC, R-21LT, R-21LV OPERATION MANUAL FOR CUSTOMER ASSISTANCE To aid in reporting this commercial microwave oven in case of loss or theft, plea...
Page 2 CONTENTS For Customer Assistance Front cover Manual Operations Contents Time cooking Precautions to Avoid Possible Exposure to Multiple sequence cooking Excessive Microwave Energy Express Defrost Limi...
Page 3 LIMITED WARRANTY END-USER LIMITED WARRANTY SHARP ELECTRONICS CORPORATION warrants to the first end-user purchaser that this Sharp brand product (the "Product"), when shipped in its original ...
Page 4 IMPORTANT SAFETY INSTRUCTIONS When using electrical appliances basic safety precautions should be followed, including the following: WARNING - To reduce the risk of burns, electric shock, fire, injury...
Page 5 GROUNDING INSTRUCTIONS This appliance must be grounded. This oven is equipped with a cord having a grounding wire with a grounding plug. It must be plugged into a wall receptacle that is properly inst...
Page 6 PART NAMES MICROWAVE OVEN PARTS 1. Back splash cover 9. Door hinges 2. Side splash cover 10.Door seals and sealing surfaces 3. Oven light 11.Door handle 4. Ceramic shelf 12.Oven door with see-through ...
Page 7 PART NAMES CONTROL PANEL NO. X2 CHECK DEFON NO. X2 CHECKDEFON TIME GUIDE FOR ONE SERVING 10 - 30 sec. 30 - 60 sec. Bagel, Roll Hot Dog Muffin, Pastry Pizza Slice Pie Slice Small Sandwich 1 - 2 min. 2 ...
Page 8 STEPS FOR OPERATING FOR R-21LC Your oven can be programmed for up to 6 minutes on HIGH (100%) power. The cooking time input varies from 10 seconds to 30 seconds depending on the total length of the co...
Page 9 STEPS FOR OPERATING FOR R-21LT, R-21LV BEFORE OPERATION Before operating your new oven, make sure you 4) The program and the check are canceled when read and understand this operation manual com- any ...
Page 10 Note: 1. (For R-21LT) Memory program entry If you want to set memory 11-20, press You can change memory programs for memory the desired number pad twice. banks. See time cooking on page 11. 2. If the ...
Page 11 Memory check Checking magnification Suppose you want to know the magnification fac- You can check the information programmed into tor for double quantity in memory 1. each memory. Checking time and po...
Page 12 MANUAL OPERATIONS Time cooking R-21LT R-21LV Your oven can be programmed for up to 3 cooking Your oven can be programmed for only one stage on sequences and has 11 preset microwave power 100% power le...
Page 13 Express Defrost Use Express Defrost to defrost meat and poultry Note: If you do not open the door when an audible faster and better. Calculate total defrost time from signal sounds, the defrosting cyc...
Page 14 Counter check To clear the number of times Set counter to "0" before using oven for the first Each number of times can be cleared by touching time. See next column. SET pad during checking m...
Page 15 OTHER CONVENIENT FEATURES Signal setting Demonstration mode There is a choice of 2 different sounds and no sound To demonstrate,touch SELECTATIME, 0 and then on your oven. touch START and hold for 3 s...
Page 16 CARE AND CLEANING To replace the back splash cover (B), secure VERY IMPORTANT CAUTIONS the cover to the oven side walls with two clips *DO NOT OPERATE the oven without the (A) as shown in Fig.1. splas...
Page 17 COOKING GUIDE Utensils METAL 1) Frozen Precooked Foods in Foil Containers When cooking foods in foil containers, the container should be no more than 1/2" (1.3 cm) deep. The best method to use is...
Page 18 Guidelines for microwave heating Several factors should be kept in mind when selecting utensils to be used for microwave heating. 1. A plate with a narrow rim of about 1/2-inch (1.3 cm) is recommended...
Page 19 Casseroles 1. Arrange casseroles with larger pieces or bulk of food around the perimeter of the casserole; depress in center. 2. Casseroles should be heated covered with a non-metallic cover or plasti...
Page 20 Heating and cooking time guide Quantity Item Approximate Comment: Heating Time 100% Power (seconds) Pastries, Rolls and Baked Goods Biscuit Heat, uncovered, from room temperature Bun Heat, uncovered, ...
Page 21 Heating and Cooking Time Guide Con’t Quantity Item Approximate Comment: Heating Time 100% Power(seconds) 8 oz. (225 g) Macaroni (cheese sauce) 70-80 Heat, covered, from refrig. Stir after reheat. 8 oz...
Page 22 REMINDERS 1. Do not operate the oven empty. Either food or water should always be in the oven during operation to absorb microwave energy. 2. Limit use of metal to those specific examples given in thi...
Page 23 AUTO-TOUCH GUIDE for R-21LT, R-21LV For more complete information and safety precautions, refer to your Operation Manual. MEMORY CHECK COUNTER CHECK Suppose you want to know 1. Touch CHECK pad 2 CHECK...
Page 24 AUTO-TOUCH GUIDE for R-21LT, R-21LV For more complete information and safety precautions, refer to your Operation Manual. COOK WITH MEMORY TIME COOKING Suppose you want to cook Suppose you want to coo...

Manual Details

Brand Sharp
Pages 24
File Size 381.63 KB
Published May 29, 2026
70 views

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Frequently Asked Questions

Who should perform repairs or adjustments on the oven?

Only properly qualified service personnel should adjust or repair the unit.

What must be done if using express defrost mode for a custom setting?

Follow the steps: Touch SET pad twice, enter desired time and power level, then touch START pad.

How can users check for warranty information or assistance?

They should contact Sharp Electronics Corporation's Customer Assistance Center or use the provided manual details.

What are the critical safety precautions during operation?

Do not operate with the door open, do not tamper with safety interlocks, and ensure the door closes properly without damage to seals or latches.