Electrolux EI30SM55JB, Technical & Service Manual

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Basic Information
This Manual has been prepared to provide Electrolux Service Personnel with Operation and
Service Information for Electrolux Microwave Oven EI30SM55JB, EI30SM55JS and EI30SM55JW.
Table of Contents
Section 1 Basic Information
Safe Servicing Practices .......................................... 1-1
Table of Contents .................................................... 1-2
Warnings and Safety Information ............................ 1-3
Precautions To Be Observed Before And During
Servicing To Avoid Possible Exposure To
Excessive Microwave Energy .................................. 1-4
Before Servicing ...................................................... 1-4
Danger High Voltage ............................................... 1-4
Before Servicing ...................................................... 1-5
When Testing Is Completed .................................... 1-5
Microwave Measurement Procedure USA .............. 1-6
Microwave Measurement Procedure Canada ......... 1-7
Product Specification ............................................... 1-8
Grounding Instructions ............................................ 1-9
Discharging Capacitor ............................................. 1-9
Oven Diagram ......................................................... 1-10
Special Instructions for the Turntable Support
and Turntable Glass Tray ........................................ 1-11
Section 2 Operation Section 2 Operation
Operating Sequence Description ............................. 2-1
Off Condition ............................................................ 2-1
Cooking Condition ................................................... 2-1
Variable Cooking ..................................................... 2-3
Power Output Reduction ......................................... 2-3
Cook Top Lamp ....................................................... 2-3
Ventilation Methods ................................................. 2-3
Sensor Cooking Condition ....................................... 2-4
Cooking Sequence .................................................. 2-4
Component Descriptions ......................................... 2-5
Door Open Mechanism ........................................ 2-5
Door Sensing Switch, Secondary Interlock
Switch
................................................................... 2-5
Monitor Switch ...................................................... 2-5
Thermal Cut-Out (Cavity) ..................................... 2-6
Turntable
Motor .................................................... 2-6
Cooling Fan Motor ................................................ 2-6
Hood Fan Motor ................................................... 2-6
Thermostat (60°C On) .......................................... 2-6
Thermostat (70°C Off) .......................................... 2-6
Antenna
Motor ...................................................... 2-6
Hood Lamp ........................................................... 2-6
Touch Control Panel Assembly ............................... 2-7
Humidity Sensor Circuit ........................................... 2-8
Section 3 Troubleshooting and Error Codes
Warnings and Cautions ........................................... 3-1
Troubleshooting Guide Chart .................................. 3-2
Test Procedures ...................................................... 3-3
Section 4 Component Teardown and Testing
Warnings and Cautions ........................................... 4-1
Removal Of Oven From Wall ................................... 4-2
Hood Louver Removal ............................................. 4-2
Outer Case Removal ............................................... 4-2
Power Transformer Removal ................................... 4-3
Positive Lock® Connector (No-Case
Type) Removal ........................................................ 4-3
Hood Fan Motor, Hood Duct, Oven Lamp Socket
And AH Sensor Removal ......................................... 4-4
Magnetron Removal ................................................ 4-5
High Voltage Rectifier And High
Voltage Capacitor Removal ..................................... 4-5
Hood Fan Thermostat (60ºC ON and
70ºC OFF) Removal ................................................ 4-6
Cooling Fan Motor Removal .................................... 4-6
Turntable Motor Removal ........................................ 4-7
Antenna Motor Removal .......................................... 4-8
Oven Lamp Removal ............................................... 4-8
Stirrer Cover And Stirrer Fan Installation ................. 4-8
Servicing For Touch Control Panel .......................... 4-8
Panel Sub Assembly And Control Unit Removal ..... 4-10
Door Sensing Switch / Secondary Interlock Switch
And Monitor Switch Removal .................................. 4-10
Door Sensing Switch / Secondary Interlock Switch
And Monitor Switch Adjustment ............................... 4-11
Door Replacement ................................................... 4-12
Door Disassembly ................................................... 4-13
Cook Top Lamp Socket Removal ............................ 4-13
Section 5 Wire Diagrams
Circuit Components ................................................. 5-1
Glass Touch Key Unit Diagram ............................... 5-2
Control Unit Circuit .................................................. 5-3
Oven Wiring Schematic Off Condition ..................... 5-4
Section 6 Parts List
Parts List .................................................................. 6-1
Parts List .................................................................. 6-2
Oven And Cabinet Parts Exploded View ................. 6-3
Door Assembly and Control Unit ............................. 6-4
Packing And Accessories ........................................ 6-5