Whirlpool 1997 "E" manuale d’uso

March, 1997 SER VICE MANUAL for the 1997 “E” Models OVER-THE-RANGE MICROW A VE OVEN HOOD COMBINA TION Printed in U.S.A. LIT4322167[...]

ii THIS MANUAL CONTAINS INFORMATION NECES- SARY FOR SERVICING THE WHIRLPOOL MICRO- WAVE OVEN HOOD COMBINATION , MODELS: MH7130XE MH7135XE MH9115XE THE MANUAL IS DESIGNED TO BE USED ONLY BY QUALIFIED SERVICE PERSONNEL. THE SERVICE INFORMATION IS ORGANIZED TO HELP YOU EAS- ILY FIND WHAT YOU NEED. CHECK YOUR LOCAL BUILDING CODE FOR THE PROPER MODE OF [...]

iii © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page iii Page Important Safety Information ............................................................................................................................... v Theory Of Operation ..............................................................[...]

iv Page Component Description & Testing .................................................................................................................. 3 - 1 Important Safety Instructions .................................................................................................................... 3 - 1 The Thermal Fuses ..............[...]

v © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page v IMPORT ANT SAFETY INFORMA TION WHIRLPOOL ASSUMES NO RESPONSIBILITY FOR ANY REPAIRS MADE ON OUR PRODUCTS BY ANYONE OTHER THAN AUTHORIZED WHIRLPOOL SERVICE TECHNICIANS. Fire Hazard Do not obstruct the flow of ventilation air. Electrical Shock Hazard It[...]

vi CAUTION W ARNING T O SER VICE TECHNICIANS • Proper operation of the microwave ovens requires that the magnetron be properly assembled to the waveguide and cavity. Never operate the magnetron unless it is properly installed. • Be sure the “RF” seal is not damaged, and assembled around the magnetron dome properly when installing the magnet[...]

vii © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page vii CAUTION: BEFORE TOUCHING ANY OVEN COMPONENTS OR WIRING, ALWAYS UNPLUG THE OVEN FROM ITS POWER SOURCE AND DISCHARGE THE CAPACITOR BY USING A 20,000-OHM DISCHARGE RESIS- TOR. OR USE AN INSULATED PLASTIC- HANDLE SCREWDRIVER AND SHORT ACROSS THE CAPA[...]

viii R.F . LEAKAGE TEST CAUTION EQUIPMENT • Electromagnetic energy leakage monitor (NARDA 8100B, HOLADAY H1501). • 600 ml glass beaker. • Glass thermometer 100 ° C or 212 ° F. TEST On every service call, checks for microwave energy emission must be made according to the following manner. 1. Remove the cooking rack from the oven cavity, if t[...]

1-1 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March 1997 4322167 Page 1-1 THEOR Y OF OPERA TION The microwave oven is powered by the 120- volt line. Whenever the door is closed and a cooking function is programmed through the control panel’s keypad, relay contacts on the control board close, and complete a circuit fro[...]

1-2 The normally-closed (N.C.) contacts of relay 4 provide a potential circuit for the Base Thermal Fuse. If the base of the oven exceeds 133 ˚ F, the thermal fuse contacts close, and a circuit for the low-speed side of the blower motor is completed, which turns the motor on. The low-speed blower will operate until the base temperature drops below[...]

2-1 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-1 COMPONENT SECTIONS Base Thermal Fuse ................................................. Closes @ 133˚F/56˚C, resets @ 104˚F/40˚C. Magnetron Thermal Fuse ...................................... Opens @ 228˚F/109˚C, resets @ 140˚F/60˚C. Cavit[...]

2-2 GENERAL REMOVING THE MICROW A VE OVEN & CABINET WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 4. Support the front of the microwave oven and remove the two bolts and washers from the top of the oven. 5. Using two people, remove th[...]

2-3 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-3 POWER CORD POWER CORD COVER BASE PLATE CONNECTORS CABINET TAB SLOTS CABINET SCREW VENT GRILLE SCREWS (2) CABINET SCREWS VENT GRILLE BASE PLATE SCREWS (6) COOKTOP LIGHT ASSEMBLY WIRING SLOTS Removing The Cabinet[...]

2-4 THE PROTECTION CONTROL SYSTEM REMOVING THE OVEN DOOR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 2. Remove the two screws from the top of the cabinet for the vent grille and remove the grille (see the illustration on page 2-3). 3. O[...]

2-5 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-5 REMOVING THE OVEN DOOR COMPONENTS WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave o[...]

2-6 REMOVING THE CONTROL P ANEL WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 2. Remove the two screws from the top of the cabinet for the vent grille and remove the grille (see the illustration on page 2-3). 3. Remove the screw from the [...]

2-7 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-7 REMOVING THE LINE FUSE WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 2. Remove the two screws from the top of the cabinet for the vent[...]

2-8 REMOVING/ADJUSTING THE INTERLOCK SWITCHES WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. REMOVING A SWITCH 1. Disconnect the electrical supply to the microwave oven. 2. Remove the two screws from the top of the cabinet for the vent gri[...]

2-9 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-9 PRESS BODY IN THIS DIRECTION TO REMOVE SWITCH FROM HOUSING. 2. 1. RAISE THIS LOCKING ARM TO RELEASE SWITCH FROM HOUSING. 1. PUSH THIS LOCKING ARM BACK TO UNLOCK SWITCH. 2. ROTATE SWITCH ON THIS PIN AND REMOVE SWITCH FROM HOUSING. NOTE: THESE POST[...]

2-10 REMOVING THE BASE THERMAL FUSE WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. 2. Remove the two screws from the top of the cabinet for the vent grille and remove the grille (s[...]

2-11 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-11 REMOVING THE MAGNETRON THERMAL FUSE WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwa[...]

2-12 REMOVING THE CONVECTION THERMIST OR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. 2. Remove the microwave oven from its mounting location (see page 2-2). 3. Remove the vent g[...]

2-13 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-13 REMOVE FIVE AIR DUCT SCREWS PHILLIPS SCREW SENSOR COVER CONVECTION THERMISTOR WHITE WIRES CAUTION: WHEN REPLACING THE THERMISTOR, DO NOT CUT AND SPLICE THE WHITE WIRES, OR AN IMPROPER SIGNAL WILL BE SENT FROM THE THERMISTOR TO THE MICROCOMPUTER[...]

2-14 REMOVING THE CA VITY THERMAL FUSE WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. 2. Remove the microwave oven from its mounting location (see page 2-2). 3. Remove the vent gri[...]

2-15 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-15 THE OPERA TING CONTROL SYSTEM REMOVING THE OVEN LIGHT SOCKET WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electri[...]

2-16 REMOVING THE CONTROL CIRCUIT BOARD & THE TURNT ABLE INDICA T OR CIRCUIT BOARD WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. 2. Remove the two screws from the top of the c[...]

2-17 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-17 REMOVING THE F AN MOT OR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. 2.[...]

2-18 REMOVING THE POWER CORD WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. 2. Remove the microwave oven from its mounting location (see page 2-2). 3. Remove the vent grille and ca[...]

2-19 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-19 REMOVING THE BLOWER MOT OR CAP ACIT OR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 2. Remove the microwave oven from its mounting [...]

2-20 REMOVING THE CONVECTION HEA TING ELEMENT WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. 2. Remove the microwave oven from its mounting location (see page 2-2). 3. Remove the v[...]

2-21 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-21 REMOVE FIVE AIR DUCT SCREWS CONVECTION THERMISTOR TOP PLATE MOUNTING SCREWS BRACKETS CIRCULATION PULLEY COVER TOP PLATE CONVECTION HEATING ELEMENT YELLOW WIRES UNCLIP ELEMENT HERE HEATING ELEMENT HEATING ELEMENT MOUNTING SCREWS VIEWED FROM UNDE[...]

2-22 WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. REMOVING THE GAS SENSOR 1. Disconnect the electrical supply to the microwave oven. 2. Remove the microwave oven from its mounting location (see page 2-2). 3. Remove the vent grille and ca[...]

2-23 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-23 REMOVING THE STIRRER MOT OR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 2. Remove the microwave oven from its mounting location (s[...]

2-24 REMOVING THE TURNT ABLE MOT OR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 3. Remove the base plate from the micro- wave oven and unplug the cooktop light connector (see the illustration on page 2-3). 4. Unplug the connector and re[...]

2-25 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-25 REMOVING THE COOKT OP LIGHT SOCKETS WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 3. Remove the bulbs from the sockets and unplug th[...]

2-26 THE HIGH VOL T AGE COMPONENTS ACCESSING THE COMPONENTS MAGNETRON HIGH VOLTAGE CAPACITOR HIGH VOLTAGE RECTIFIER HIGH VOLTAGE TRANSFORMER WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. Discharge the high voltage capacitor be- fore worki[...]

2-27 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-27 REMOVING THE MAGNETRON WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. WARN[...]

2-28 REMOVING THE HIGH VOL T AGE RECTIFIER AND THE HIGH VOL T AGE CAP ACIT OR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the microwave oven. WARNING Personal Injury Hazard Disconnect from power su[...]

2-29 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 2-29 REMOVING THE HIGH VOL T AGE TRANSFORMER WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock. 1. Disconnect the electrical supply to the mic[...]

2-30 — NOTES —[...]

3-1 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-1 W arning T o Service T echnicians! To avoid possible exposure to microwave radiation or energy, visually check the oven for damage to the door and door seal before operating any oven. Use a microwave survey meter to check the amount of leakage be[...]

3-2 Whirlpool microwave ovens have a monitoring system designed to assure proper operation of the safety interlock systems. The interlock monitor switch will immediately cause the oven fuse to blow if the door is opened and the primary door interlock switch and/or the secondary interlock switch contacts fail in a closed position. CAUTION: REPLACE B[...]

3-3 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-3 CAUTION • High voltages are present during the cook cycle. Extreme caution should be observed at all times. • Abrasive cleansers, steel-wool pads, gritty wash cloths, etc. can damage the control panel and the interior and exterior oven surfac[...]

3-4 The base thermal fuse is located directly be- hind the control panel. It is a normally-open fuse that, when closed, activates the blower motor at a low speed. There are three thermal fuses in the OTR Microwave Oven. They are: the magnetron thermal fuse, the cavity thermal fuse, and the base thermal fuse. The magnetron and cavity thermal fuses a[...]

3-5 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-5 BLOWER MOTOR CAP ACITOR AIR DUCT THE BLOWER MOT OR CAP ACIT OR The blower motor capacitor is located below the air duct at the indicated location. It is in use any time the blower (vent) motor is oper- ating. The capacitor helps to maintain a con[...]

3-6 RD WH YL RED WHT YEL SENSOR COVER MOUNTING SCREW GAS SENSOR BOARD THE GAS SENSOR TESTING 1. Set the ohmmeter to the R x 1 scale. 2. Remove the 3-pin connector from the control circuit board and mea- sure the resistance between the: a) Red & white wire terminals. You should measure 20 Ω @ 68 ˚ F. b) White & yellow wire terminals. You [...]

3-7 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-7 THE CONVECTION THERMIST OR thermistor signal going back to the microcom- puter causes the heater relay to open and close, and cycles the heating element on and off. NOTE: Verify that the heating element is work- ing correctly before replacing a t[...]

3-8 THE CONVECTION HEA TING ELEMENT and the heater relay on the microcomputer board. During a convection, or combination cooking cycle, the heater cycles on and off to maintain the programmed cavity temperature. The heating element surrounds the convec- tion fan blade and is not visible through the oven cavity. The 1400-watt convection heating elem[...]

3-9 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-9 BLOWER MOTOR STIRRER MOTOR FAN MOTOR TURNTABLE MOTOR MOT ORS Blower Motor — Removes smoke and odors from the kitchen cooking area through outside venting or recirculation. Stirrer and Turntable Motors — Distribute microwave energy evenly duri[...]

3-10 PROGRAMMING CHECKS If the sensor is defective, or if the wires are not properly connected, you will see the following display: TOUCH P ANEL CONTINUITY TEST 1. Unplug the microwave oven ’ s power sup- ply cord. 2. Open the oven door. 3. Plug the power cord back into the AC receptical. You should see the following display if any of the interlo[...]

3-11 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-11 TEST PROCEDURE OR CORRECTION Shorted wire in power cord, wiring harness, or overload circuit. Line fuse blows when power cord is plugged into a wall receptacle. 1. Check wiring with ohm- meter for continuity. 2. Use separate 15- to 20- ampere c[...]

3-12 TEST PROCEDURE OR CORRECTION 1. High voltage transformer. Little or no heat is produced in the oven load. 1. Check the high voltage transformer. 2. Check the high voltage rectifier diode. 3. Check the high voltage capacitor. 4. Check the magnetron. 5. Check the power selec- tor. 1. Primary interlock switch. 1. Check primary interlock switch. 2[...]

3-13 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-13 TEST PROCEDURE OR CORRECTION 1. Blower motor. 2. Control board. 3. Open or loose wiring in circuit to blower motor. Blower motor will not oper- ate. 1. Check blower motor. 2. Check control board. 3. Use ohmmeter to check continuity, and repair [...]

3-14 Use the following procedure to checkout the operation of the microwave oven. 1. Fill a 1-cup (260 ml) glass measuring cup with warm water (between 90 ˚ F/32 ˚ C and 100 ˚ F/38 ˚ C). 2. Open the oven door, place the container of water into the oven, and close the door. 3. Press the COOK keypad, and set the cooking time for 4-minutes. 4. Pre[...]

3-15 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-15 On every service call, checks for microwave energy emission must be made according to the following manner. 1. Remove the cooking rack from the oven cavity, if the microwave oven is so equipped. 2. Place a 275 ML (9. oz.) glass of water in the [...]

3-16 MAKING THE MEASUREMENTS Measuring The Oven With The Cabinet Installed MEASUREMENT NOTES: • When measuring for leakage, use the 2 " (5 cm ) spacer that is provided with the probe. • Leakage with the outer panels removed should be less than 5 mW/cm.sq . • Leakage for a fully assembled oven (before the lamp switch primary is interrupte[...]

3-17 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-17 MEASURING MICROW A VE POWER OUTPUT USING THE IEC-705 RA TING ST ANDARD When determining the microwave oven ’ s power output using the IEC-705 rating standard, the following conditions must be met: • When making microwave power output mea- s[...]

3-18 TEST CHARTS TEST PROCEDURE RESULT COMPONENT 1. Set the ohmmeter to the R x 1 scale, and measure the: a) Primary winding. b) Secondary to ground. c) Filament winding. 2. Set the ohmmeter to its R x 1000 scale, and mea- sure the: a) Primary to ground. b) Filament to ground. Magnetron (with wire leads un- plugged). NOTE: A microwave energy leakag[...]

3-19 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-19 TEST PROCEDURE RESULT COMPONENT Terminal-To-Terminal Set the ohmmeter to the R x 10 k scale, and measure the resistance across the capacitor terminals. High-Voltage Capacitor a) Normal - The meter indi- cates several ohms, then gradually return[...]

3-20 Ambient Resistance Temp. ( ˚ F) Value 60 75.24 k Ω ( ± 11 k Ω ) 68 62.57 k Ω ( ± 8 k Ω ) 70 59.79 k Ω ( ± 8 k Ω ) 80 45.80 k Ω ( ± 7 k Ω ) 90 36.94 k Ω ( ± 6 k Ω ) TEST PROCEDURE RESULT COMPONENT N.O. and C Terminals Set the ohmmeter to the R x 1 scale, and measure the resistance between the normally-open (N.O.) and t[...]

3-21 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-21 TEST PROCEDURE RESULT COMPONENT a) Normal = 155 K to 350 K ohms @ 68 ˚ F. Set the ohmmeter to the R x 10 K scale. Remove the 6-pin connector from the circuit board and measure across terminals 5 & 6. b) Abnormal = Infinity, or zero ohms (a[...]

3-22 TEST PROCEDURE RESULT COMPONENT Touch Keyboard (see below). Measure the resistance between the terminal pins of the keypad (shown below) that you wish to check. For example: To measure the “ CLOCK ” keypad, refer to the il- lustration, and: 1. Find the first terminal number along the top bar (pin 5). 2.Find the second terminal num- ber in [...]

3-23 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 3-23 Power Level 1 4 Seconds 18 Seconds 2 6 Seconds 16 Seconds 3 8 Seconds 14 Seconds 4 10 Seconds 12 Seconds 5 12 Seconds 10 Seconds 6 14 Seconds 8 Seconds 7 16 Seconds 6 Seconds 8 18 Seconds 4Seconds 9 20 Seconds 2Seconds 10 22 Seconds 0Seconds TE[...]

3-24 CONTINUITY TEST CHART DOOR OPEN L1 SECONDARY INTERLOCK SWITCH PRIMARY INTERLOCK SWITCH MONITOR SWITCH N L1 SECONDARY INTERLOCK SWITCH PRIMARY INTERLOCK SWITCH MONITOR SWITCH N DOOR CLOSED PRIMAR Y , MONITOR, & SECONDAR Y SWITCH CHECKOUT PROCEDURE NOTE: The following chart and strip circuits show the continuity and position of the door swit[...]

4-1 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-1 WIRING DIAGRAMS Models MH7130XE & MH7135XE TECH TIPS PRIMARY INTERLOCK SWITCH PRIMARY INTERLOCK SWITCH SENSOR T.T. LED BL PK BK BK BK W L GN N 20A LINE FUSE RELAY 2 RELAY 1 LOW-VOLTAGE TRANSFORMER 1 RELAY 3 RELAY 4 RELAY 5 PH 1 VR 2 CN2 CN1 C[...]

4-2 Model MH9115XE BK = Black BR = Brown RD = Red YL = Yellow GN = Green BL = Blue PK = Pink WH = White NOTES: 1. Oven is Off. 2. Door is Open. CAVITY THERMAL PROTECTOR MAGNETRON THERMAL PROTECTOR BK BK BK L GN N W W 15A LINE FUSE BK RELAY #2 RELAY #1 LOW-VOLTAGE TRANSFORMER 1 2 RELAY #3 RELAY #4 RELAY #5 RELAY #6 8 3 4 5 6 7 PRIMARY INTERLOCK SWIT[...]

4-3 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-3 STRIP CIRCUITS 2. DOOR IS OPEN — OVEN LIGHT IS ON N L1 20A LINE FUSE CAVITY THERMAL FUSE MAGNETRON THERMAL FUSE BK RD BK BK W RD LOW-VOLTAGE TRANSFORMER MICROCOMPUTER BOARD 1 3 1. UNIT IS PLUGGED IN — CLOCK IS WORKING RELAY 1 L1 20A LINE FUSE[...]

4-4 4. BLOWER MOT OR IS ON “HIGH” 5. OVEN IS OFF — CA VITY TEMPERA TURE IS ABOVE 133˚F BLOWER MOTOR IS ON “LOW” 6. COOKTOP LIGHTS ARE ON “HIGH” OR “LOW” N L1 20A LINE FUSE CAVITY THERMAL FUSE MAGNETRON THERMAL FUSE BK BK BK RELAY 4 BASE THERMAL FUSE W BL Y Y LOW-VOLTAGE TRANSFORMER W BLOWER MOTOR RD MICROCOMPUTER BOARD 3 1 11 CAP[...]

4-5 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-5 N L1 20A LINE FUSE CAVITY THERMAL FUSE MAGNETRON THERMAL FUSE BK BK BK BK BK STIRRER MOTOR FAN MOTOR TURNTABLE MOTOR OVEN LAMP W W/BL W W W LOW-VOLTAGE TRANSFORMER MICROCOMPUTER BOARD 5 BR RD RD BK W W RELAY 1 RELAY 5 RELAY 2 RD SECONDARY SWITCH [...]

4-6 SPECIFICA TIONS Rated Power Consumption ...................... 1500-watts, maximum (microwave oven only). 1750-watts, maximum (microwave oven, cooktop lamps, ventilation fan). Microwave Output ...................................... 850-watts (IEC 705 Test Procedure). Adjustable 85-watts through 850-watts in 10-steps. Frequency .................[...]

4-7 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-7 SPECIFICA TION CHARTS MODEL NUMBER MH7130XEQ MH7130XEZ MH7135XEB CONTROL SYSTEM: Timer: Yes Yes Yes Type Electronic Electronic Electronic Limits 99 Min. - 99 Sec. 99 Min. - 99 Sec. 99 Min. - 99 Sec. Scale Linear (Digital) Linear (Digital) Linear [...]

4-8 MODEL NUMBER MH7130XEQ MH7130XEZ MH7135XEB Temperature Sensor Probe: No No No Type No No No Range No No No Scale No No No Levels No No No Operation No No No Timed Override No No No Exhaust Fan: Yes Yes Yes High Yes Yes Yes Low Yes Yes Yes Manual Off Yes Yes Yes Auto Off Yes Yes Yes Note Automatic Turn On At 133 ˚ F/56 ˚ C. Automatic Turn On A[...]

4-9 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-9 MODEL NUMBER MH7130XEQ MH7130XEZ MH7135XEB OVEN INTERIOR FEATURES: Size 19" W x 8-9/16" H x 14-5/8" D 19" W x 8-9/16" H x 14-5/8" D 19" W x 8-9/16" H x 14-5/8" D Capacity 1.3 Cubic Feet 1.3 Cubic Feet [...]

4-10 MODEL NUMBER MH7130XEQ MH7130XEZ MH7135XEB EXTERIOR FEATURES: Outside Dimensions 29-15/16" W x 16-7/16" H x 15-3/8" D 29-15/16" W x 16-7/16" H x 15-3/8" D 29-15/16" W x 16-7/16" H x 15-3/8" D Cabinet Finish White Textured Almond Textured Black Textured Construction Unitized Chassis With Wrapper &[...]

4-11 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-11 MODEL NUMBER MH7135XEQ MH9115XEB MH9115XEQ CONTROL SYSTEM: Timer: Yes Yes Yes Type Electronic Electronic Electronic Limits 99 Min. - 99 Sec. 99 Min. - 99 Sec. 99 Min. - 99 Sec. Scale Linear (Digital) Linear (Digital) Linear (Digital) Operation [...]

4-12 MODEL NUMBER MH7135XEQ MH9115XEB MH9115XEQ Temperature Sensor Probe: No Yes Yes Type No Electronic Electronic Range No 90 ˚ F - 200 ˚ F9 0 ˚ F - 200 ˚ F Scale No Digital Digital Levels No 111 111 Operation No Direct Entry Direct Entry Timed Override No 60 Min. If No Increase In Temp. Occurs 60 Min. If No Increase In Temp. Occurs Exhaust Fa[...]

4-13 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-13 MODEL NUMBER MH7135XEQ MH9115XEB MH9115XEQ OVEN INTERIOR FEATURES: Size 19" W x 8-9/16" H x 14-5/8" D 18-3/16" W x 8-5/32" H x 12-5/8" D 18-3/16" W x 8-5/32" H x 12-5/8" D Capacity 1.3 Cubic Feet 1.1[...]

4-14 MODEL NUMBER MH7135XEQ MH9115XEB MH9115XEQ EXTERIOR FEATURES: Outside Dimensions 19" W x 8-9/16" H x 14-5/8" D 29-7/8" W x 16-3/16" H x 14" D 29-7/8" W x 16-3/16" H x 14" D Cabinet Finish White Textured Black Textured White Textured Construction Unitized Chassis With Wrapper & Mounting Plate Uni[...]

4-15 © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page 4-15 MODEL & SERIAL NUMBER EXPLANA TION MODEL NUMBER M H 7 13 0 X E Q 0 INTERNATIONAL SALES IND. OR MARKETING CHANNEL, IF PRESENT PRODUCT GROUP M = MICROWAVE PRODUCT IDENTIFICATION B = BROWNER C = CONVECTION G = GRILL / CRISPER H = OTR HOOD COMB[...]

4-16 WHIRLPOOL MICROW A VE HOOD W ARRANTY LENGTH OF WARRANTY ONE YEAR FULL WARRANTY From Date of Installation. SECOND THROUGH FIFTH YEAR LIMITED WARRANTY From Date of Installation. WHIRLPOOL WILL PAY FOR: FSP ® replacement parts and repair labor costs to correct defects in materials or workmanship. Service must be provided by an authorized Whirlpo[...]