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1100 W - 2005
International
Countertop
Commercial
Microwave
Ovens

This Base Manual covers general information.

Refer to individual Technical Sheet

for information on specific models.

This manual includes, but is

not limited to the following:

Service

This manual is to be used by qualified appliance
technicians only. Maytag does not assume any
responsibility for property damage or personal
injury for improper service procedures done by
an unqualified person.

16025963

March 2005

DECS11MA

P1330217M

DES11EA

P1330218M

DFS11EA

P1330220M

RCS511A

P1330214M

RS511MB

P1330211M

RS511P

P1330212M

RFS511SW2A

P1330223M

UCS11MA

P1330228M

UFS11EA

P1330230M

URCS511A

P1330226M

URS511MB

P1330224M

URS511P

P1330225M

US11EA

P1330229M

C O M M E R C I A L    M I C R O W A V E     O V E N

MENUMASTER

R

Summary of Contents for Menumaster DECS11MA

Page 1: ...ppliance technicians only Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person 16025963 March 2005 DECS11MA P1330217M DES11EA P1330218M DFS11EA P1330220M RCS511A P1330214M RS511MB P1330211M RS511P P1330212M RFS511SW2A P1330223M UCS11MA P1330228M UFS11EA P1330230M URCS511A P1330226M URS511MB P1330224M URS511P ...

Page 2: ...NS RESPONSIBILITY TO REVIEW ALL APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact Service Support ...

Page 3: ... Removed 18 Measurement With a Fully Assembled Oven 18 Record Keeping and Notification After Measurement 18 Troubleshooting Operating Instructions for the Holaday HI1501 HI1510 HI1710 and HI1801 19 Testing Procedures 20 24 Disassembly Procedures Disconnecting Wire Terminals 25 Outer Case 25 Door Assembly 26 Door Disassembly 26 Control Panel 27 Interlock Switches 27 High Voltage Capacitor 28 Diode ...

Page 4: ...4 16025963 2005 Maytag Services Important Safety Information ...

Page 5: ... 2005 Maytag Services 16025963 5 Important Safety Information ...

Page 6: ...6 16025963 2005 Maytag Services Important Safety Information ...

Page 7: ... of the equipment compartment Some types of failures will leave a charge in these capacitors and the discharge could cause a reflex action which could make you injure yourself 7 In the area of the transformer capacitor diode and magnetron there is HIGH VOLTAGE When the unit is operating keep this area clean and free of anything which could possibly cause an arc or earthing etc 8 Do not for any rea...

Page 8: ...d during servicing to avoid possible exposure to excessive microwave energy or electrical shock disconnect power to oven A Do not operate or allow oven to be operated with 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 Interlock operation Proper door closing Seal and sealing surfaces a...

Page 9: ...ision or similar equipment Reduce or eliminate interference by doing the following Clean the door and sealing surfaces of microwave oven according to instructions in Care and Cleaning section Place radio television etc as far as possible from the microwave oven Use a properly installed antenna on radio television etc to obtain stronger signal reception Earthing Instructions This appliance MUST be ...

Page 10: ...a 230 VAC 50 Hz 13 amp power supply Receptacle Plug 230 V 16 AMP Equipment requires a 230 VAC 50 Hz 16 amp power supply Do not use a extension cord If the product power cord is too short have a qualified electrician install a three prong receptacle This unit should be plugged into a separate dedicated 230 VAC 50 Hz power supply If other equipment is on the same circuit an increase in cooking times...

Page 11: ...el to discharge any static charge built up in your body Condition Cause Remedy Microwave oven does not work Inserting multiple plugs into one outlet and using them at the same time blown fuse or breaker Avoid using other electrical appliances when you use the microwave oven Microwave oven plug is not inserted tightly Insert microwave oven plug securely Output power is too low Low AC input voltage ...

Page 12: ...tion 8 Display obviously jumps in time while counting down 9 Display counts down too fast while cooking 10 Each indicator light does not turn on after setting cooking cycle 11 Display time of day does not reappear when cooking is finished Condition Check Result Cause Remedy No input can be programmed Check the connection between keypad and controller Continuity No continuity Failed controller Loos...

Page 13: ...k continuity of secondary switch with door opened Continuity No Continuity Malfunction of secondary switch Replace the fuse primary secondary monitor switches and controller Disconnect one side of the wire lead connecting transformer to high voltage capacitor and operate the unit Normal Fuse blows again Failed high voltage capacitor Failed high voltage transformer Replace high voltage capacitor Re...

Page 14: ...of secondary switch with door closed No Continuity Malfunction of secondary switch Replace the secondary switch Continuity Check connection between CN1 connector and controller Continuity No Continuity Failed controller Replace controller Loose connection Repair connection Abnormal Abnormal Failed fan motor Replace fan motor Failed oven light Replace oven light Fan motor or oven light does not ope...

Page 15: ...2 and verify on and off times Abnormal Normal Failed controller Replace controller Abnormal Failed magnetron Replace magnetron Measure the output power NOTE Simple output power test can be conducted by heating one liter of water for 33 seconds Refer to Power Test on page 24 of this manual Check for continuity of relay 3 with an omhmeter Remove wire leads from relay 3 and operate unit Power Level C...

Page 16: ...ge transformer Abnormal Normal Failed high voltage transformer Replace high voltage transformer Check high voltage capacitor Abnormal Normal Failed high voltage capacitor Replace high voltage capacitor Check high voltage diode Abnormal Normal Failed high voltage diode Replace high voltage diode Operates at full power when programmed for lower power Abnormal Failed controller Replace controller Che...

Page 17: ...rent if high voltage is applied R F Capacitors May short to chassis This condition will also cause loss of high voltage 2 Open Heater Filament Can be determined by a ohmmeter when transformer leads are disconnected Resistance is normally less than one ohm filament does not short internally Any tube removed should be checked since usage tends to make the filament more fragile Later handling and shi...

Page 18: ...for a fully assembled oven before the latch switch primary is interrupted while pulling the door 4 mW cm2 or less 1 Pour 275 cc 15 cc 9 oz 1 2 oz of 20 C 5 C 68 F 9 F water in a beaker which is graduated to 600 cc and place the beaker in the center of oven 2 Set the radiation monitor to 2450 MHz and use it following the manufacturer s recommended test procedure to assure correct results 3 While me...

Page 19: ... means of selection either 0 2 or 0 10 and 0 100 on the Holaday Instruments sensitivity ranges Test probe must be held by the grip portion of the handle otherwise a false reading may result if operators hand is between the handle and probe If oven is likely to have a large amount of leakage approach oven slowly with the probe while observing meter This is achieved by holding the probe two or three...

Page 20: ...momentarily deflect towards zero then return to over 5 MΩ If no deflection occurs or if continuous deflection occurs replace capacitor Terminal to Case Infinite resistance Magnetron Discharge Capacitor Remove wires from magnetron and connect ohmmeter to terminals Also check between each terminal and ground Between Terminals Less than 1 Ω Each terminal to ground measures Infinite resistance Note Th...

Page 21: ...ice Test Mode Open door Press and Hold pad 3 for 5 seconds to enter service test mode Press Pad 1 Press Pad 2 Press Pad 3 Press Pad 4 Press Pad 5 Press Pad 6 Press Pad 7 Press Pad 8 Press Pad 9 Press Pad 0 Stop Reset Pad SERVICE appears in the display Indicates number of hours magnetron has been turned on Indicates number of times magnetron tube has been turned on and off Indicates number of door ...

Page 22: ...ROST 20 MEDIUM 50 MED HI 70 TIME ENTRY STOP RESET START Trace 1 8 2 8 3 8 4 8 5 8 6 8 7 8 1 9 2 9 3 8 7 9 1 10 2 10 3 10 4 10 5 10 6 10 7 10 Measurement Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Electronic Control DES11EA US11EA Keyboard assemb...

Page 23: ...l 230 240VAC Current transformer output All Conditions Volts Tab 2 to Power Cord Blue Neutral 230 240VAC Oven light relay RY7 Standby Ready Cook Volts Volts Volts CN1 Pin 4 to Pin 1 Yellow to Black CN1 Pin 4 to Pin 1 CN1 Pin 4 to Pin 1 0 VAC 230 240VAC 230 240VAC Blower Stirrer motor relay RY1 Standby Ready Cook Volts Volts Volts CN1 Pin 5 to Pin 3 Brown to White CN1 Pin 5 to Pin 3 CN1 Pin 5 to Pi...

Page 24: ...to the 1000 ml line with cool tap water NOTE Water temperature should be approximately 60 F 16 C 2 Using the thermometer stir water for five to ten seconds measure and record the temperature T1 3 Place test container of water in the center of oven cavity and close door 4 Heat the water for a 33 second full power cycle NOTE Use a digital watch or a watch with a second hand for ovens with electromec...

Page 25: ...r Disconnecting Wire Terminals All wire terminals are locking type terminals Proceed as follows to disconnect wire terminals Insulated terminals Grasp insulator pod and pull back DO NOT PULL ON WIRE 1 Grasp Wire Insulator Pod 2 Pull Non insulated terminals Use a small blade screwdriver to depress locking tab and pull on terminal DO NOT PULL ON WIRE 1 Release locking tab Wire 2 Pull Outer Case 1 Di...

Page 26: ...r door panel Gently pry upward on choke cover to release tabs Work in clockwise direction to remove choke cover CAUTION To avoid property damage care must be taken when prying choke cover from oven door 4 Remove screw securing door handle to latch assembly 5 Slide latch assembly downward and pull away from door frame to release 6 Remove screws securing choke assembly to outer door panel NOTE When ...

Page 27: ...ary switch is operated by bottom latch arm Interlock Switch Removal 1 Disconnect power to oven and remove outer case see Outer Case procedure 2 Remove control panel see Control Panel section 3 Test interlock switches before removing see testing procedures 4 Disconnect and label wire connections 5 Remove mounting screws securing interlock switch to unit chassis 6 Replace component and reverse proce...

Page 28: ...lock switch Primary interlock switch 7 When proper switch sequence has been achieved tighten the switch bracket securely CAUTION A microwave leakage test must be performed anytime a door assembly is removed replaced disassembled or adjustment of switch bracket is performed High Voltage Capacitor High voltage capacitor should always be discharged by shorting a terminal to a chassis ground The capac...

Page 29: ...re replacing a blown monitor fuse test the primary interlock switch secondary interlock switch monitor switch and power relay contacts for proper operation If the monitor fuse is blown by a failed switch operation all switches and controller must be replaced Magnetron Magnetron is located on the side of the cavity 1 Disconnect power to oven and remove outer case see Outer Case section 2 Discharge ...

Page 30: ...aps into a lip in front of the oven and three slots in the back 1 Place your thumbs in the two indentations in front of the shield 2 Press lightly towards the back and carefully lower shield away from antenna 3 Pull shield out of the back slots and out of the oven Splatter shield Antenna 1 Remove splatter shield from oven cavity 2 Remove two mounting rivets on the top of oven cavity to remove crad...

Page 31: ...sing a suction cup to pry upward on front portion and remove tray from unit 3 Thoroughly clean and degrease sump area 4 Clean oven cavity bottom where new oven tray will make contact using mineral spirits or any non flammable degreasing solvent NOTE Detergents soap and water are not sufficient to remove oil and grease 5 Clean cavity with mild detergent to remove any remaining degreasing solvent an...

Page 32: ... 2005 Maytag Services 16025963 A 1 Appendix A ...

Page 33: ... oven Proper air flow around oven cools electrical components With restricted air flow oven may not operate properly and life of electrical parts is reduced B Allow at least 2 5 1 cm between air discharge on back of oven and back wall C Allow at least 2 5 1 cm of clearance around sides of oven No metal pans DO NOT power spray 2004 Amana Appliances Amana Iowa 52204 Part No 12804404 Revised 10 04 Fo...

Page 34: ...tes of heating time Allows 10 minutes of heating time 0 Clean Filter Message OP 00 OP 01 OP 02 OP 03 Do not display message Display message for 24 hours every 7 days Display message for 24 hours every 30 days Display message for 24 hours every 90 days 30 QUICK SET Pad Allows you to reheat for 30 seconds at 100 full power by simply pressing the 30 QUICK SET pad By repeatedly pressing this pad you c...

Page 35: ...Press QTY 2X pad 3 Press desired preprogrammed pad or pad sequence 4 Oven begins cooking Displayed cooking time is the total of original cooking time and added 2X time CLEAN FILTER CLEAN FILTER CLEAN FILTER CLEAN FILTER CLEAN FILTER This oven displays CLEAN FILTER at user defined intervals When the message displays Amana recommends cleaning the air filter thoroughly Cleaning the air filter will no...

Page 36: ...is opened 5 beep bursts until door is opened 2 Speaker Volume OP 20 OP 21 OP 22 OP 23 Eliminates beep Sets volume to low Sets volume to medium Sets volume to high 3 Key Beep OP 30 OP 31 Prevents beep when pad is pressed Allows beep when pad is pressed 4 Keyboard Enable Window OP 40 OP 41 OP 42 OP 43 15 seconds after oven door is opened keyboard disabled 30 seconds after oven door is opened keyboar...

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