Electrolux FMV156DBE service manual Defrost Center Test, 1ST Stage 2ND Stage, Level Time

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FMV156DBE

FMV156DSE

FMV156DQE

FMV156DCF

TEST PROCEDURES

PROCEDURE

COMPONENT TEST

LETTER

 

7.After that procedure, re-connect the power supply cord.

8.Check voltage between normal open terminal of the relay RY2 and the normal open terminal of the relay RY1 on the control unit with an A.C. voltmeter.

The meter should indicate 120 volts, if not check oven circuit.

RY1, RY2, RY4, and RY5 Relay Test These relays are operated by D.C. voltage

Check voltage at the relay coil with a D.C. voltmeter during the microwave cooking operation.

DC. voltage indicated

Defective relay.

DC. voltage not indicated

Check diode which is connected to the relay coil. If diode

 

 

is good, control unit is defective.

 

 

 

 

 

RELAY SYMBOL

OPERATIONAL VOLTAGE

CONNECTED COMPONENTS

 

 

RY1

Approx. 26.6V D.C.

 

Oven lamp / Fan motor / Turntable motor

 

 

RY2(COOK)

Approx. 26.0V D.C.

 

Power transformer

 

 

RY4

Approx. 26.6V D.C.

 

Hood motor

 

 

RY5

Approx. 26.6V D.C.

 

Hood lamp

 

 

9.Disconnect the power supply cord.

10.Open the door and block it open.

11.To discharge high voltage capacitor, wait for 60 seconds.

12.Reconnect all leads removed from components during testing.

13.Re-install the hood intake duct R.

14.Re-install the outer case (cabinet).

15.Reconnect the power supply cord after the outer case is installed.

16.Run the oven and check all functions.

ODEFROST CENTER TEST

(1)Open the door.

(2)Place one cup of water in the center of the turntable tray in the oven cavity.

(3)Close the door.

(4)Touch the " DEFROST" pad once.

(5)Touch the number pad "2".

(6)Touch the number pad "5".

(7)Touch the " START " button.

(8)The oven is in Defrost center cooking condition.

(9)The oven will operate as follows.

Menu

1ST STAGE

2ND STAGE

Steaks/Chops

LEVEL

TIME

LEVEL

TIME

 

 

 

 

 

 

0.5lbs

60%

57sec.

40%

17sec.

 

 

 

 

 

 

(8) If improper operation is indicated, the control unit is probably defective and should be checked.

PFOIL PATTERN ON THE PRINTED WIRING BOARD TEST

To protect the electronic circuits, this model is provided with a fine foil pattern added to the primary on the PWB, this foil pattern acts as a fuse.

1.Foil pattern check and repairs.

1)Disconnect the power supply cord.

2)Open the door and block it open.

3)To discharge high voltage capacitor, wait for 60 seconds.

4)Remove the control unit, referring to the procedure of " CONTROL PANEL ASSEMBLY, CONTROL UNIT AND KEY UNIT REMOVAL ".

5)Follow the troubleshooting guide given below for repair.

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Contents Table of Contents Over the Range Microwave Oven ModelsBefore Servicing When the testing is completed Dont Touch Before ServicingRequirements Microwave Measurement ProcedureLeakage test Electrolux Product Specification General InformationOven Diagram Control Panel Operation Description of Operating SequenceHorizontal Venting Vertical VentingRE-CIRCULATION Inside Venting Figure O-1. Oven Schematic-Off Condition Description and Function of Components FunctionsTroubleshooting Guide CK = Check / RE = Replace Microwave Output Power Procedure Component Test Letter Magnetron Assembly TestPower Transformer Test High Voltage Capacitor Test Magnetron Temperature Fuse TestCavity Thermal CUT-OUT Test Primary Interlock Switch Test Procedure Component Test LetterTEMPERATURE, Replace Temperature Fuse Door Sensing SwitchMonitor Switch Test Secondary Interlock Relay RY2Hood Thermal CUT-OUT Test ProcedureHood FAN Motor Test Before testing KEY Unit Test Relay Test1ST Stage 2ND Stage Foil Pattern on the Printed Wiring Board TestDefrost Center Test Level TimeRemoval Occurrence Cause or CorrectionSteps Occurrence Cause or Correction Procedure Component Test Letter Noise Filter Test Measuring Point Indication of OHM-METERDescription of LSI Touch Control Panel AssemblyLSI Signal coming from touch key Signal to sound buzzer 2.0 kHzOUT Oven lamp, fan motor and turntable motor driving signal Signal similar to P46Hood motor driving signal Key strobe signalHood lamp driving signal Segment data signalShapes of Electronic Components Other PrecautionsServicing Servicing of Touch Control PanelComponent Replacement and Adjustment Procedure Hood Exhaust Louver RemovalPictorial Diagram Power Transformer RemovalRe-install Hood FAN Motor RemovalHood FAN Thermal CUT-OUT Removal Magnetron RemovalHigh Voltage Rectifier and High Voltage Capacitor Removal Thermal CUT-OUT Cavity RemovalCooling FAN Motor Removal InstallationSide View Positive lock connector Positive Lock Connector NO-CASE Type RemovalControl Panel ASSEMBLY, Control Unit and KEY Unit Removal Turntable MotorKey unit location Control Unit and KEY Unit RemovalDoor Replacementdoor Assembly Removal Door Assembly RE-INSTALLChoke Cover Door DisassemblyDoor Frame Assembly Latch SPRING, Latch Head and Door PanelDiagram PictorialFigure S-2. Power Unit Circuit LSI Unit Circuit Figure S-4. Printed Wiring Board Cabinet Parts Parts ListElectric Parts Control Panel PartsMiscellaneous Door PartsSCREWS,NUTS, Washers and Other Oven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Packing and Accessories Non-replaceable itemsFMV156DBE FMV156DSE FMV156DQE FMV156DCF FMV156DBE FMV156DSE FMV156DQE FMV156DCF FMV156DBE FMV156DSE FMV156DQE FMV156DCF

FMV156DBE specifications

The Electrolux FMV156DBE is a modern and versatile microwave oven that combines sleek aesthetics with cutting-edge technology, making it a popular choice for contemporary kitchens. This model offers a range of advanced features designed to streamline cooking and enhance convenience while ensuring users can prepare meals efficiently.

One of the standout features of the Electrolux FMV156DBE is its powerful 1.6 cubic feet capacity, which provides ample space for cooking various dishes, from reheating leftovers to defrosting frozen goods. Its 1,000-watt power output allows for fast and efficient cooking, ensuring that food is heated evenly and thoroughly. The microwave also features multiple power levels, enabling users to customize cooking intensity based on their specific needs.

This model is equipped with the Sensor Cooking technology, which automatically adjusts cooking time and power based on the moisture released from the food. This intelligent feature helps to prevent overcooking or undercooking, delivering perfectly prepared meals every time. Additionally, the FMV156DBE includes a range of pre-programmed cooking settings that cater to different food types, further enhancing usability and efficiency.

Another notable aspect of the Electrolux FMV156DBE is its intuitive touch control panel, allowing for easy navigation through cooking options and settings. The illuminated LED display enhances visibility, making it simple to monitor cooking progress at a glance. The microwave also features a convenient kitchen timer and a clock function, adding to its overall functionality.

The microwave not only excels in cooking performance but also in design. It features a contemporary stainless-steel finish that adds a touch of elegance to any kitchen decor. The streamlined design ensures it can fit seamlessly into various kitchen layouts, while the built-in design options provide flexibility for installation.

Safety is also a priority with the Electrolux FMV156DBE, which includes a child lock feature, preventing unintended use by little hands. This quality makes it an ideal appliance for families with children.

In summary, the Electrolux FMV156DBE is a highly functional microwave oven that features advanced cooking technologies, an ample cooking capacity, and a stylish design. With its combination of performance, convenience, and safety features, it serves as a valuable addition to any modern kitchen.