Page 2 - SAFETY PRECAUTIONS
This device is to be serviced only by properly qualified service personnel.Consult the service manual for proper service procedures to assure continued safety operation and for precautions to betaken to avoid possible exposure to excessive microwave energy. PRECAUTIONS TO BE OBSERVED BEFORE ANDDURIN...
Page 3 - CONTENTS
(Page) SAFETY PRECAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front cover SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
Page 4 - SPECIFICATIONS
1-1 1-1 1-1 1-1 SPECIFICATIONS Power Requirement Magnetron , 0 This microwave oven is designed for commercial use only. It is not recommended for built-in Installation. ITEM MODEL Power Requirement Power Output Microwave Frequency Magnetron Timer Outside Dimensions Cavity Dimensions Net Weight Shipp...
Page 5 - CAUTIONS; MICROWAVE RADIATION
¥ DO NOT operate on a 2-wire extension cord during repair and use. ¥ NEVER TOUCH any oven components or wiring during operation. ¥ BEFORE TOUCHING any parts of the oven, always remove the power plug from the outlet. ¥ For about 30 seconds after the oven stops, an electric charge remains in the high ...
Page 6 - INSTALLATIONS; INSTALLING; IMPORTANT
INSTALLATIONS INSTALLING 1. Empty the microwave oven and clean inside it with a soft, damp cloth. Check for damage such asmisaligned door, damage around the door or dentsinside the cavity or on the exterior. 2. Put the oven on a counter, table, or shelf that is strong enough to hold the oven and the...
Page 7 - Display
4-1 FEATURES CONTROL PANEL Display Some items in display can be seen but will not glow. Pads Use to enter heating time without changing preprogrammed number pads.Use to begin heating with preprogrammed times and power levels or to enter times for “Manual Time Entry” cooking.Use to select power level...
Page 8 - Pads
4-2 FEATURES CONTROL PANEL Display Some items in display can be seen but will not glow. RCS511A / URCS511A Window Door Screen Electronic Control Safety Door Lock System Pads Use to enter heating time without changing preprogrammed number pads.Use to begin heating with preprogrammed times and power l...
Page 11 - OPERATING INSTRUCTIONS; FEATURES
4-5 OPERATING INSTRUCTIONS FEATURES CONTROL PANEL Display Some items in display can be seen but will not glow. Pads Use to enter heating time without changingpreprogrammed number pads. Use to begin heating with preprogrammed Use to enter times for “Manual Time Entry” times and power levels or to ent...
Page 13 - Operation; CAUTION; nterrupting Operation; Manual Time Entry
4-7 Operation Pads 1 2 3 4 5 6 7 8 9 0 HeatingTimes 10 sec. 20 sec. 30 sec. 45 sec. 1 min. 1:30 min. 2 min. 3 min. 4 min. 5 min. Pads 01 02 03 04 05 06 07 08 09 10 1. Press Pad. CAUTION I nterrupting Operation • Open oven door to interrupt operation. Oven fan continues to operate. Close door and pre...
Page 14 - PROGRAMMING; Preprogrammed Number Pads
4-8 PROGRAMMING Preprogrammed Number Pads Oven has 10 preprogrammed number pads. Followinstructions below to program heating times and powerlevels for customized cooking. 1. Open oven door. ¥ If door is closed or STOP/RESET pad is pressed before finishing programming sequence, oven exitsprogramming ...
Page 15 - User Options
4-9 User Options Follow the instructions below to customized themicrowave ovenÕs operation. End-of-cycle signal,maximum heating time and other options can bechanged to meeting your cooking needs. 1. Open oven door. ¥ If door is closed or STOP/RESET pad is pressed before finishing programming sequenc...
Page 16 - SCHEMATIC DIAGRAM
Page 17 - CIRCUIT DESCRIPTION; GENERAL DETAILS
CIRCUIT DESCRIPTION GENERAL DETAILS • The low voltage transformer supplies the necessary voltage to the micom controller when power cord isplugged in. • When the door is closed, the primary switch is ON, the secondary switch is ON, and the monitor switch opens(contact COM and NO). WHEN SELECTING COO...
Page 18 - SERVICE INFORMATION; TOOLS AND MEASURING INSTRUMENTS; NECESSARY TOOLS
CAUTIONS ¥ Be sure to check microwave leakage prior to servicing the oven if the oven is operative prior toservicing. ¥ The service personnel should inform the manufacturer, importer, or assembler of anycertified oven unit found to have a microwaveemission level in excess of 5 mW/cm 2 and should rep...
Page 19 - NOTES WHEN MEASURING; WARNING : AVOID CONTACTING ANY
MEASUREMENT WITH OUTER CASEREMOVED ¥ When you replace the magnetron, measure for microwave energy leakage before the outer case isinstalled and after all necessary components arereplaced or adjusted. Special care should be taken in measuring the following parts. (Circled area of Fig. below) - Around...
Page 20 - A. OUTER CASE REMOVAL; MEASUREMENT OF MICROWAVE POWER OUTPUT
• Microwave power output measurement is made with the microwave oven supplied at its rated voltage andoperated at its maximum microwave power setting witha load of (1000±5) g of potable water. • The water is contained in a cylindrical borosilicate glass vessel having a maximum material thickness of ...
Page 24 - A. PRIMARY INTERLOCK SWITCH TEST; B. SECONDARY INTERLOCK SWITCH TEST; WARNING : FOR CONTINUED PROTECTION AGAINST EXCESSIVE RADIATION; COMPONENTS; INTERLOCK CONTINUITY TEST
A. PRIMARY INTERLOCK SWITCH TEST When the door release button is depressed slowlywith the door closed, an audible click should be heard at the same time or successively atintervals. When the button is released slowly, thelatches should activate the switches with anaudible click . If the latches do n...
Page 25 - COMPONENT TEST PROCEDURE
5-8 CAUTIONS 1. DISCONNECT THE POWER SUPPLY CORD FROM THE OUTLET WHENEVER REMOVING THE OUTER CASE FROM THE UNIT. PROCEED WITH THE TEST ONLY AFTER DISCHARGING THE HIGHVOLTAGE CAPACITOR AND REMOVING THE WIRE LEADS FROM THE PRIMARY WINDING OF THEHIGH VOLTAGE TRANSFORMER. (SEE PAGE 2-1) 2. ALL OPERATION...
Page 28 - TROUBLE SHOOTING
TROUBLE SHOOTING WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IFTHE FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF THEMICROWAVE OVEN. THIS CAN ELIMINATE AN UNNECESSARY SERVICE CALL. 5-11 CAUTIONS 1. Check grounding before checking for tr...
Page 29 - CONDITION
1. Incomplete segments. ¥ Segment missing.¥ Partial segment missing.¥ Digit flickering (NOTE: Slight flickering is normal.) 2. Colon does not turn on or blink.3. A distinct change in the brightness of one or more numbers in display.4. One or more digits in the display are not lighting.5. Display ind...
Page 30 - and no input is accepted.
5-13 CONDITION CONDITION CHECK RESULT CAUSE REMEDY 1. Fuse blows. Continuity. No continuity. Continuity. Shorted contact atthe primary switch. Replace fuse,primary, monitor,secondaryswitches, andRELAY(RY3 ) of P.C.B Assembly. No continuity. Malfunction of themonitor switch. Replace fuse,primary, mon...
Page 32 - NOTE : • Make sure the wire leads correct position.
5-15 CONDITION CONDITION CHECK RESULT CAUSE REMEDY No microwaveoscillation. No continuity. Continuity. Abnormal Defective highvoltagetransformer. Replace highvoltagetransformer. Normal Defective PCBassembly. Replace PCBassembly. Disconnect thewire leads from and check continuity of relay 3 Check hig...
Page 33 - EXPLODED VIEW; INTRODUCTION
DOOR PARTS CONTROL PANEL PARTS LATCH BOARD PARTS BASE PLATE PARTS OVEN CAVITY PARTS INTERIOR PARTS 6-1 EXPLODED VIEW INTRODUCTION MODEL : RS511MB RFS511GURS511MB
Page 35 - DOOR PARTS
#EV# 6-3 1384 W136 1006 1007 W108 W105 1386 1009 W207 W206 1385 1004 1005 1013 1000 1002 DOOR PARTS MODEL : RS511MB RFS511GURS511MBRCS511ARS511PRFS511SW2AURS511PURCS511A
Page 36 - CONTROL PANEL PARTS
6-4 2012 2400 2005 2006 2381 2000 W130 W102 CONTROL PANEL PARTS MODEL : RFS511G #EV#
Page 40 - OVEN CAVITY PARTS
6-8 7037 9000 3001 5045 W121 W109 W158 W121 W109 3009 W105 W109 3004 5024 W109 W108 OVEN CAVITY PARTS MODEL : RS511MB RFS511GURS511MBRCS511ARS511PRFS511SW2AURS511PURCS511A #EV#
Page 41 - LATCH BOARD PARTS
6-9 4003 4000 4009 W102 W160 4002 4004 4008 4001 LATCH BOARD PARTS MODEL : RS511MB RFS511G URS511MB RCS511A RS511P RFS511SW2A URS511P URCS511A #EV# W117
Page 42 - INTERIOR PARTS
6-10 5016 W109 5102 3031 W101 W136 5014 W109 W108 W101 W108 W130 W101 5202 5041 5103 5059 5201 5010 W101 W108 W109 5104 W109 5001 5051 5302 W109 5019 5061 9000 3381 3028 W101 5008 5020 5067 5009 W104 W101 3006 4810WRC002A 0CZZW1H009A 5000 After Before 6021W3B001L 6851W1A001G 5013 3007 5203 3383 Disc...
Page 43 - BASE PLATE PARTS
6-11 6001 6000 W121 W108 6013 W121 3026 3901 3902 W162 BASE PLATE PARTS MODEL : RS511MB RFS511GURS511MBRCS511ARS511PRFS511SW2AURS511PURCS511A #EV#
Page 45 - PRINTED CIRCUIT BOARD