Electrolux CFMV156DBD User manual

P/N 316439259Publication # 5995505418
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CFMV156DBD
CFMV156DSD
CFMV156DCE
In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should
be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage
and current. Contact with the following parts may result in a severe, possibly fatal, electrical shock. (High Voltage
Capacitor, High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness
etc..)
TABLE OF CONTENTS
Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY..................... INSIDE FRONT COVER
BEFORE SERVICING ....................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL................................................................................................................. 3
MICROWAVE MEASUREMENT PROCEDURE..................................................................................................... 4
FOREWORD AND WARNING ............................................................................................................................... 7
PRODUCT SPECIFICATIONS ............................................................................................................................... 8
GENERAL INFORMATION.................................................................................................................................... 8
OPERATION......................................................................................................................................................... 11
TROUBLESHOOTING GUIDE ............................................................................................................................. 15
TEST PROCEDURE ............................................................................................................................................ 17
TOUCH CONTROL PANEL ASSEMBLY .............................................................................................................. 27
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE................................................................. 31
PICTORIAL DIAGRAM......................................................................................................................................... 39
POWER UNIT CIRCUIT ....................................................................................................................................... 40
LSI UNIT CIRCUIT ............................................................................................................................................... 41
PRINTED WIRING BOARD.................................................................................................................................. 42
PARTS LIST ........................................................................................................................................................ 43
PACKING AND ACCESSORIES .......................................................................................................................... 47
S64M242FM156C
CFMV156DBD
CFMV156DSD
CFMV156DCE
OVER THE RANGE
MICROWAVE OVEN
MODELS
CFMV156DCE
ELECTROLUX
SERVICE MANUAL
This document has been published to be used for after sales service only. The contents are subject to
change without notice.
ElEctrolux canada corporatIon
6150 McLaughlin Road,Mississauga, Ontario, Canada L5R 4C2
Canada 866•294•9911 (English or French)

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CFMV156DBD
CFMV156DSD
CFMV156DCE
PRECAUTIONS TO BE OBSERVED BEFORE AND
DURING SERVICING TO AVOID POSSIBLE EXPO-
SURE TO EXCESSIVE MICROWAVE ENERGY
(a) Do not operate or allow the oven to be operated with the 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: (1) interlock operation, (2) proper door closing, (3)
seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and
latches, (5) evidence of dropping or abuse.
(c) Before turning on microwave power for any service test or inspection within the microwave generating
compartments, check the magnetron, wave guide or transmission line, and cavity for proper alignment,
integrity, and connections.
(d) Any defective or misadjusted components in the interlock, monitor, door seal, and microwave genera-
tion and transmission systems shall be repaired, replaced, or adjusted by procedures described in this
manual before the oven is released to the owner.
(e) A microwave leakage check to verify compliance with the Federal Performance Standard should be
performed on each oven prior to release to the owner.
(RD8100U)
BEFORE SERVICING
Before servicing an operative unit, perform a microwave emission check as per the Microwave
Measurement Procedure outlined in this service manual.
If microwave emissions level is in excess of the specified limit, contact ELECTROLUX CANADA
CORPORATION immediately.
If the unit operates with the door open, service person should 1) tell the user not to operate the oven
and 2) contact ELECTROLUX CANADA CORPORATION and NHW, CANADA or ELECTROLUX
HOME PRODUCTS, INC. and FOOD & DRUG ADMINASTRATION centers for Devices & Radio-
logical Health immediately.
In the USA, please contact the Food and Drug Administration's Center for Devices and Radiologi-
cal Health immediately.
Service personnel should inform ELECTROLUX CANADA CORPORATION or ELECTROLUX HOME
PRODUCTS, INC. of any certified unit found with emissions in excess of 4mW/cm2. The owner of
the unit should be instructed not to use the unit until the oven has been brought into compliance.
(RD2110U)

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CFMV156DBD
CFMV156DSD
CFMV156DCE
WARNING TO SERVICE PERSONNEL
Microwave ovens contain circuitry capable of pro-
ducing very high voltage and current, contact with
following parts may result in a severe, possibly
fatal, electrical shock.
(Example)
High Voltage Capacitor, High Voltage Power
Transformer, Magnetron, High Voltage Rectifier
Assembly, High Voltage Harness etc..
Read the Service Manual carefully and follow all
instructions.
Before Servicing
1. Disconnect the power supply cord , and then
remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
WARNING: RISK OF ELECTRIC SHOCK.
DISCHARGE THE HIGH-VOLTAGE
CAPACITOR BEFORE SERVICING.
The high-voltage capacitor remains charged about 60
seconds after the oven has been switched off. Wait for
60 seconds and then short-circuit the connection of the
high-voltage capacitor (that is the connecting lead of the
high-voltage rectifier) against the chassis with the use of
an insulated screwdriver.
Whenever troubleshooting is performed the power supply
must be disconnected. It may, in some cases, be necessary
to connect the power supply after the outer case has been
removed, in this event,
1. Disconnect the power supply cord, and then remove
outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect the leads to the primary of the power
transformer.
5. Ensure that these leads remain isolated from other
components and oven chassis by using insulation
tape.
6. After that procedure, reconnect the power supply cord.
When the testing is completed,
1. Disconnect the power supply cord, and then remove
outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Reconnect the leads to the primary of the power
transformer.
5. Reinstall the outer case (cabinet).
6. Reconnect the power supply cord after the outer case
is installed.
7. Run the oven and check all functions.
After repairing
1. Reconnect all leads removed from components during
testing.
2. Reinstall the outer case (cabinet).
3. Reconnect the power supply cord after the outer case
is installed.
4. Run the oven and check all functions.
Microwave ovens should not be run empty. To test for the
presence of microwave energy within a cavity, place a cup
of cold water on the oven turntable, close the door and set
the power to HIGH and set the microwave timer for two (2)
minutes. When the two minutes has elapsed (timer at zero)
carefully check that the water is now hot.If the water remains
cold carry out Before Servicing procedure and re-examine
the connections to the component being tested.
When all service work is completed and the oven is fully
assembled, the microwave power output should be checked
and microwave leakage test should be carried out.
Don't Touch !
Danger High Voltage

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CFMV156DBD
CFMV156DSD
CFMV156DCE
MICROWAVE MEASUREMENT PROCEDURE (CANADIAN)
After adjustment of the door switches are completed individually or collectively, switch test and microwave leakage test
must be performed with survey instrument and test result must be confirmed to meet the requirement of the performance
standard
for microwave ovens as undermentioned.
A. Requirements:
Every microwave oven shall function in such a manner that when the oven is fully assembled and operating with it's
service
controls and user controls adjusted to yield the maximum output, the leakage radiation, at all points at least 5 cm. from
the
external surface of the oven, does not exceed:
1) 1.0mW/cm2 with the test load of 275 ± 15 ml of water at an initial temperature 20 ±5oC.
2) 5.0mW/cm2 when the outer enclosure is removed with a test load of 275 ± 15 ml of water at an initial temperature
20±5oC.
3) 5.0mW/cm2 without a test load.
B. Preparation for testing:
Before beginning the actual measurement of leakage, proceed as follows:
1) Make sure that the actual instrument is operating normally as specified in its instruction booklet.
Important:
Survey instruments that comply with the requirement for instrumentation as prescribed by CSA and NHW performance stand-
ard for microwave ovens must be used for testing recommended instruments are , NARDA 8100 and NARDA 8200.
2) Place the oven tray in the oven cavity.
3) Place the load of 275±15 ml of tap water initially at 20±5oC in the center of the oven cavity.
The water container shall be a low form of 600 ml beaker with an inside diameter of approx. 8.5 cm (3-1/2 in.) and made
of an electrically nonconductive material such as glass or plastic.
The placing of this standard load in the oven is important not only to protect the oven, but also to insure that any leakage
is measured accurately.
4) Set the cooking control on Full Power Cooking Mode, Close the door and select a cook cycle of several minutes. If the
water begins to boil before the survey is completed, replace it with 275 ml of cool water.
C. Leakage test with enclosure installed :
1) Grasp the probe of the survey instrument and hold it perpendicular to the gap between the door and the body of the
oven.
2) Move the probe slowly, not faster than 2.5 cm/sec. along the gap, watching for the maximum indication on the meter.
3) Check for leakage at the door screen, sheet metal seams and other accessible positions where the continuity of the
metal has been breached (eg., around the switches, indicator, and vents).
While testing for leakage around the door pull the door away from the front of the oven as far as is permitted by the
closed latch assembly.
4) Measure carefully at the point of highest leakage and make sure that the highest leakage is no greater than 4mW/cm2,
and that the secondary interlock switch does turn the oven OFF before any door movement.
C. Leakage test without enclosure:
1) Remove the enclosure (cabinet).
2) Grasp the probe of the survey instrument and hold it perpendicular to all mechanical and electric parts of the oven that
is accessible to the user of the oven including, but not limited to, the waveguide, cavity seams, magnetron gap between
the door and the body of the oven.
3) Move the probe slowly, not faster than 2.5 cm/sec. along the gap, watching for the maximum indication on the meter.
4) Measure carefully at the point of highest leakage and make sure that the highest leakage is under 5mW/cm2.
CAUTION: Special attention should be given to avoid electrical shock because HIGH VOLTAGE is generated during this
test

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CFMV156DBD
CFMV156DSD
CFMV156DCE
MICROWAVE MEASUREMENT PROCEDURE (USA)
A. Requirements:
1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave
oven should not exceed 1mW/cm2at any point 5cm or more from the external surface of the oven, measured prior to
acquisition by a purchaser, and thereafter (through the useful life of the oven), 5 mW/cm2at any point 5cm or more
from the external surface of the oven.
2) Safety interlock switches:
Primary interlock relay switch shall prevent microwave radiation emission in excess of the requirement as above
mentioned. Secondary interlock relay and door sensing switch shall prevent microwave radiation emission in excess
of
5 mW/cm2 at any point 5cm or more from the external surface of the oven.
B. Preparation for testing:
Before beginning the actual measurement of leakage, proceed as follows:
1) Make sure that the actual instrument is operating normally as specified in its instruction booklet.
Important:
Survey instruments that comply with the requirement for instrumentation as prescribed by the performance standard for
microwave ovens, 21 CFR 1030.10(c)(3)(i), must be used for testing.
2) Place the oven tray in the oven cavity.
3) Place the load of 275±15 ml (9.8 oz) of tap water initially at 20±5O C (68OF) in the center of the oven cavity.
The water container shall be a low form of 600 ml (20 oz) beaker with an inside diameter of approx. 8.5 cm (3-1/2 in.)
and made of an electrically nonconductive material such as glass or plastic.
The placing of this standard load in the oven is important not only to protect the oven, but also to insure that any leakage
is measured accurately.
4) Set the cooking control on Full Power Cooking Mode.
5) Close the door and select a cook cycle of several minutes. If the water begins to boil before the survey is completed,
replace it with 275 ml of cool water.
C. Leakage test:
Closed-door leakage test (microwave measurement):
1) Grasp the probe of the survey instrument and hold it perpendicular to the gap between the door and the body of the
oven.
2) Move the probe slowly, not faster than 1 in./sec. (2.5 cm/sec.) along the gap, watching for the maximum indication on
the meter.
3) Check for leakage at the door screen, sheet metal seams and other accessible positions where the continuity of the
metal has been breached (eg., around the switches, indicator, and vents).
While testing for leakage around the door, pull the door away from the front of the oven as far as is permitted by the
closed latch assembly.
4) Measure carefully at the point of highest leakage and make sure that the highest leakage is no greater than 4mW/cm2,
and that the primary interlock switch/secondary interlock relay does turn the oven OFF before any door movement.

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CFMV156DBD
CFMV156DSD
CFMV156DCE
NOTES

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CFMV156DBD
CFMV156DSD
CFMV156DCE
PRODUCT DESCRIPTION
GENERAL INFORMATION
OPERATION
TROUBLESHOOTING GUIDE AND
TEST PROCEDURE
TOUCH CONTROL PANEL
COMPONENT REPLACEMENT
AND ADJUSTMENT PROCEDURE
WIRING DIAGRAM
PARTS LIST
SERVICE MANUAL
ELECTROLUX
OVER THE RANGE
MICROWAVE OVEN
CFMV156DBD / CFMV156DSD
CFMV156DCE
FOREWORD
This Manual has been prepared to provide Electrolux Home Products
Service Personnel with Operation and Service Information for the ELEC-
TROLUX OVER THE RANGE MICROWAVE OVENS, CFMV156DBD,
CFMV156DSD, and CFMV156DCE.
It is recommended that service personnel carefully study the entire
text of this manual so that they will be qualified to render satisfactory
customer service.
Check the interlock switches and the door seal carefully. Special atten-
tion should be given to avoid electrical shock and microwave radiation
hazard.
WARNING
Never operate the oven until the following points are ensured.
(A) The door is tightly closed.
(B) The door brackets and hinges are not defective.
(C) The door packing is not damaged.
(D) The door is not deformed or warped.
(E) There is not any other visible damage with the oven.
Servicing and repair work must be carried out only by trained service
personnel.
DANGER
Certain initial parts are intentionally not grounded and present
a risk of electrical shock only during servicing. Service person-
nel - Do not contact the following parts while the appliance is
energized;
High Voltage Capacitor, Power Transformer, Magnetron, High
Voltage Rectifier Assembly, High Voltage Harness;
If provided, Vent Hood, Fan assembly, Cooling Fan Motor.
All the parts marked “ * ” on parts list are used at voltages more
than 250V.
Removal of the outer wrap gives access to voltage above 250V.
All the parts marked “ ∆” on parts list may cause undue microwave
exposure, by themselves, or when they are damaged, loosened or
removed.
NOTES
ELECTROLUX CANADA CORPORATION

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CFMV156DBD
CFMV156DSD
CFMV156DCE
ITEM DESCRIPTION
Power Requirements 120 Volts / 13.0 Amperes
60 Hertz
Single phase, 3 wire grounded
Power Output 950 watts (IEC TEST PROCEDURE)
Operating frequency of 2450MHz
Case Dimensions Width 29-15/16"
Height 15- 9/16"
Depth 16-1/4"
Cooking Cavity Dimensions Width 17-11/16"
Height 14-15/16"
1.5 Cubic Feet Depth 9-7/8"
Hood lamp 2 bulbs, 20W x 2, Incandescent light bulbs
Hood fan Approx. 300 C.F.M. (High mode)
Control Complement Touch Control System
Clock ( 1:00 - 12:59 )
Timer (0 - 99 min. 99 seconds)
Microwave Power for Variable Cooking
Repetition Rate;
P-HI .................................................. Full power throughout the cooking time
P-90..................................................................... approx. 90% of Full Power
P-80..................................................................... approx. 80% of Full Power
P-70..................................................................... approx. 70% of Full Power
P-60..................................................................... approx. 60% of Full Power
P-50..................................................................... approx. 50% of Full Power
P-40..................................................................... approx. 40% of Full Power
P-30 .................................................................... approx. 30% of Full Power
P-20..................................................................... approx. 20% of Full Power
P-10..................................................................... approx. 10% of Full Power
P-0..................................................... No power throughout the cooking time
Popcorn pad, Reheat pad, Cook pad,
Defrost pad, Number selection pads
Power Level pad, Timer / Clock pad
Light button, Fan button,
Clear/Off button, START/ Plus 1 Min button,
Oven Cavity Light 20W x 1 Incandescent light bulb
Safety Standard UL Listed FCC Authorized
DHHS Rules, CFR, Title 21, Chapter 1, Subchapter J
Canadian Standards Association.
Health CANADA, Industry CANADA.
Weight Approx. 55 lbs.
PRODUCT SPECIFICATION
GENERAL INFORMATION
GROUNDING INSTRUCTIONS
This oven is equipped with a three prong grounding plug. It must be plugged into a wall receptacle that is properly installed
and grounded in accordance with the National Electrical Code and local codes and ordinances.
In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the
electric current.
WARNING: Improper use of the grounding plug can result in a risk of electric shock.

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CFMV156DBD
CFMV156DSD
CFMV156DCE
OVEN DIAGRAM
3-Pronged Plug
Grounded
Receptacle Box
Grounding Pin
3-Pronged Receptacle
10
11
12
8
7
14
6
9
3
4
5
1
9
13
2
Electrical Requirements
The oven is equipped with a 3-prong grounding plug. DO NOT UNDER ANY CIRCUMSTANCES CUT OR REMOVE THE
GROUNDING PIN FROM THE PLUG.
The power supply cord and plug must be connected to a separate 120 Volt AC, 60 Hz, 15 Amp. or more dedicated line,
using a grounded receptacle.The receptacle should be located inside the cabinet directly above the Microwave Oven/Hood
system mounting location.
1. Oven door with see-through window.
2. Door hinges.
3. Waveguide cover.
4. Turntable motor shaft.
5. Oven lamp.
It will light when oven is operating or door is
open.
6. Door latches.
The oven will not operate unless the door is
securely closed.
7. Auto Touch control panel
8. Time display: Digital display, 99 minutes 99
seconds.
9. Ventilation openings.
10.Light Cover.
11.Grease filters.
12.Removable turntable.
The turntable will rotate clockwise or
counterclockwise.
Only remove for cleaning.
13.Removable turntable support.
14. Power supply cord

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CFMV156DBD
CFMV156DSD
CFMV156DCE
NOTE: Some one-touch cooking features such as "Plus 1 Min" are disabled after three minutes when the oven is not used.
These features are automatically enabled when the door is opened and closed or Clear-Off button is pressed.
CONTROL PANEL