Benutzeranleitung / Produktwartung KHMS105E des Produzenten KitchenAid
Zur Seite of 68
LIT4317216 Printed in U.S.A. SER VICE MANUAL for the March, 1997 MICROW A VE OVEN HOOD COMBINA TION ( E Model Line).
ii THIS MANUAL CONTAINS INFORMATION NECES- SARY FOR SERVICING THE KITCHENAID MICRO- WAVE OVEN HOOD COMBINATION , MODELS: KHMS105E KHMC107E 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.
iii Original 03/97 Page iii Microwave Oven Hood Combo Service Manual — LIT 4317216 T ABLE OF CONTENTS Page Important Safety Information .............................................................................................................. v Theory Of Operation .
iv Page Component Description & Testing .................................................................................................. 3 - 1 Important Safety Instructions ........................................................................
v Original 03/97 Page v Microwave Oven Hood Combo Service Manual — LIT 4317216 IMPORT ANT SAFETY INFORMA TION KITCHENAID ASSUMES NO RESPONSIBILITY FOR ANY REPAIRS MADE ON OUR PRODUCTS BY ANYONE OTHER THAN AUTHORIZED KITCHENAID SERVICE TECHNICIANS. Fire Hazard Do not obstruct the flow of ventilation air.
vi CAUTION W ARNING T O SERVICE TECHNICIANS • Proper operation of the microwave ovens requires that the magnetron be properly assembled to the waveguide and cavity.
vii Original 03/97 Page vii Microwave Oven Hood Combo Service Manual — LIT 4317216 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.
viii R.F . LEAKAGE TEST When checking for R.F. Ieakage, use an ap- proved R.F. measuring device to assure less than 4 mw/cm 2 emission at 5 cm distance with a maximum scan rate of 2.5 cm/second, in compliance with U.S. Government Department of Health, Education and Welfare 21 CFR1030, performance Standard for Microwave Ovens.
Microwave Oven Hood Combo Service Manual — LIT 4317216 Page 1-1 1-1 Original 03/97 THEOR Y OF OPERA TION The microwave oven is powered by the 120- volt line.
1-2 The normally-closed (N.C.) contacts of relay 4 provide a potential circuit for the Base Thermal Fuse (see the following strip circuit). 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.
Page 2-1 2-1 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 COMPONENT ACCESS • The Operating Control System Oven Light Socket Control Circuit Board Temperature Probe Socket .
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. CAUTION: Because of the weight and size of the microwave oven, two people are required to safely move and install it.
Page 2-3 2-3 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 POWER CORD POWER CORD COVER BASE PLATE RED WHITE (2) RED (2) WHITE COOKTOP LIGHT ASSEMBLY WIRING WIRES CABINET CABI.
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. CAUTION: Because of the weight and size of the microwave oven, two people are required to safely move and install it.
Page 2-5 2-5 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 REMOVING THE DOOR CHOKE 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.
2-6 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 CONTROL P ANEL 1. Disconnect the electrical supply to the microwave oven. 2.
Page 2-7 2-7 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 REMOVING THE LINE FUSE Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit. Failure to do so could result in death or electrical shock.
2-8 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. 5. Remove the center screw from the fan cover and fold the cover back so you can access the switches (see the illustration below).
Page 2-9 2-9 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
2-10 MAKING ADJUSTMENTS 1. If necessary, adjust the interlock switch housing so that the switches operate prop- erly. NOTE: The Interlock Monitor Switch provides an added safety check on the Primary and Secondary Interlock Switches.
Page 2-11 2-11 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
2-12 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. Discharge the high voltage capacitor be- fore working inside the oven.
Page 2-13 2-13 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 REMOVING THE CA VITY THERMAL FUSE 1. Disconnect the electrical supply to the microwave oven. 2. Remove the microwave oven from its mounting location (refer to page 2-2 for the procedure).
2-14 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.
Page 2-15 2-15 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 PHILLIPS SCREW SENSOR COVER CONVECTION THERMISTOR WHITE WIRES CAUTION: WHEN REPLACING THE THERMISTOR, DO NOT CUT .
2-16 THE OPERA TING CONTROL SYSTEM 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 OVEN LIGHT SOCKET 1. Disconnect the electrical supply to the microwave oven.
Page 2-17 2-17 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 REMOVING THE CONTROL 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.
2-18 FAN COVER COVER SCREW FOLD BACK FLAT WASHER HEX NUT BLUE WIRE BROWN WIRE TEMPERATURE PROBE SOCKET REMOVING THE TEMPERA TURE PROBE SOCKET 4. From the top and back of the control panel, lift the top locking tab and pull the top of the panel out slightly, then lift the bottom tabs of the panel out of the slots and pull it forward.
Page 2-19 2-19 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
2-20 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. CAUTION: Because of the weight and size of the microwave oven, two people are required to safely move and install it.
Page 2-21 2-21 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 REMOVING THE BLOWER MOT OR CAP ACIT OR 2. Remove the microwave oven from its mounting location (refer to page 2-2 for the procedure). 3. Remove the vent grille and the cabinet from the microwave oven (refer to page 2-2 for the procedure).
2-22 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.
Page 2-23 2-23 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 CONVECTION THERMISTOR TOP PLATE MOUNTING SCREWS BRACKETS CIRCULATION PULLEY COVER TOP PLATE CONVECTION HEATING EL.
2-24 REMOVING THE GAS SENSOR 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 working inside the oven.
Page 2-25 2-25 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 REMOVING THE SYNCHRONOUS 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.
2-26 REMOVING A COOKT OP 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. 2. Remove the base plate from the micro- wave oven (refer to page 2-2 for the pro- cedure).
Page 2-27 2-27 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 THE HIGH VOL T AGE COMPONENTS The components for service in this section include the: Magnetron High Voltage Rectifier High Voltage Capacitor High Voltage Transformer The locations of the high voltage components are shown in the illustration below.
2-28 ACCESSING THE HIGH VOL T AGE COMPONENTS 3. Remove the vent grille, the cabinet, and base plate from the microwave oven (re- fer to page 2-2 for the procedure). 4. Remove the control panel from the micro- wave oven, unplug the wire connectors from the control board, and set the control panel aside (see page 2-17 for the proce- dure).
Page 2-29 2-29 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
2-30 REMOVING THE HIGH VOL T AGE RECTIFIER AND THE HIGH VOL T AGE CAP ACITOR WARNING Personal Injury Hazard Disconnect from the electrical supply be- fore servicing the unit.
Page 2-31 2-31 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 HIGH VOLTAGE CAPACITOR MOUNTING STRAP TAB & SLOT HIGH VOLTAGE RECTIFIER MOUNTING FLANGE RED WIRE INSULATED RE.
2-32 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. CAUTION: Because of the weight and size of the microwave oven, two people are required to safely move and install it.
Page 3-1 3-1 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
3-2 KitchenAid 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.
Page 3-3 3-3 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
3-4 THE THERMAL FUSES 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.
Page 3-5 3-5 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 THE BLOWER MOT OR CAP ACIT OR TESTING 1. Set the ohmmeter to the R x 10K scale. 2. Measure across the capacitor ter- minals. The ohmmeter should indicate several ohms, then gradually re- turn to infinity .
3-6 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.
Page 3-7 3-7 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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 thermistor.
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.
Page 3-9 3-9 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 BLOWER MOTOR FAN MOTOR SYNCHRONOUS MOTOR Blower Motor — Removes smoke and odors from the kitchen cooking area through outside venting or recirculation. Synchronous Motor — Distributes microwave energy into the oven during microwave cooking.
3-10 PROGRAMMING CHECKS If any of the switches are closed, you will see the following display: – f 2 – – f 1 – 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.
Page 3-11 3-11 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 CONTROL PANEL MTG SCREW LOCKING TAB (LIFT TO RELEASE) REMOVING THE CONTROL P ANEL THINGS T O KNOW COMBINA TION BAKE The combination bake temperature range is 150 ˚ F to 450 ˚ F.
3-12 CHARTS 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 circuit.
Page 3-13 3-13 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
3-14 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 wiring.
Page 3-15 3-15 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 TEST PROCEDURE OR CORRECTION 1. No power at wall plug. Console will not display data, or has incorrect data. 1. Check fuse or breaker box. 2. Replace line fuse. 3. Check thermal fuse.
3-16 CHECKING FOR MICROW A VE ENERGY LEAKAGE CAUTION 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.
Page 3-17 3-17 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
3-18 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 m.
Page 3-19 3-19 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 TEST CHARTS TEST PROCEDURE RESULT COMPONENT 1. Set the ohmmeter to the R x 1 scale, and measure the: a) Primary winding. b) Secondary winding. c) Filament winding 2.
3-20 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 returns to in- finity.
Page 3-21 3-21 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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.
3-22 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 short).
Page 3-23 3-23 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 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 “ TEMP PROBE ” keypad, refer to the illustration, and: 1.
3-24 TEST PROCEDURE RESULT COMPONENT Relay 2 WARNING: When you apply power to the unit, be careful not to touch any of the high voltage circuits. Set the ohmmeter to the R x 1 scale, and check for continuity between the two relay terminal pins. Use the following steps.
Page 3-25 3-25 Microwave Oven Hood Combo Service Manual — LIT 4317216 Original 03/97 PRIMAR Y , MONITOR, & SECONDAR Y SWITCH CHECKOUT PROCEDURE L1 RELAY #2 SECONDARY INTERLOCK SWITCH OVEN LIGHTS SWITCH MONITOR SWITCH N.C. N.O. C N DOOR CLOSED DOOR OPEN L1 RELAY #2 SECONDARY INTERLOCK SWITCH OVEN LIGHTS SWITCH MONITOR SWITCH N.
3-26 — NOTES —.
Ein wichtiger Punkt beim Kauf des Geräts KitchenAid KHMS105E (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie KitchenAid KHMS105E noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für KitchenAid KHMS105E - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von KitchenAid KHMS105E reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über KitchenAid KHMS105E erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon KitchenAid KHMS105E besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von KitchenAid KHMS105E verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit KitchenAid KHMS105E. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei KitchenAid KHMS105E gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
