Manuale d’uso / di manutenzione del prodotto 1997 "E" del fabbricante Whirlpool
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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.
iii © 1997 Whirlpool Corporation Cooking Products Service Manual Original March, 1997 4322167 Page iii Page Important Safety Information .................................................................................................................
iv Page Component Description & Testing .................................................................................................................. 3 - 1 Important Safety Instructions ........................................................
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.
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.
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.
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.
1-1 © 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.
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.
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 .
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.
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 SC.
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).
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.
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).
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.
2-8 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.
2-9 © 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.
2-10 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.
2-11 © 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.
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.
2-13 © 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 CAUT.
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.
2-15 © 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.
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.
2-17 © 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.
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).
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.
2-20 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.
2-21 © 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 CIRCULATI.
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).
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.
2-24 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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
3-15 © 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.
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.
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 mi.
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.
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.
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.
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.
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.
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 .
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 .
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.
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 .
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.
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 TH.
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 M.
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).
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.
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.
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.
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&q.
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.
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.
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.
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 16-3/1.
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.
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Whirlpool 1997 "E" è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Whirlpool 1997 "E" - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Whirlpool 1997 "E" imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Whirlpool 1997 "E" ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Whirlpool 1997 "E", ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Whirlpool 1997 "E".
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Whirlpool 1997 "E". Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Whirlpool 1997 "E" insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
