Electrolux EI30MH55GBA - Table of Contents

This Manual has been prepared to provide Electrolux Service Personnel with Operation and Service
Information for following Electrolux Microwave Ovens:
EI30MH55GBA, EI30MH55GSA, EI30MH55GWA, EI30MH55GBB, EI30MH55GSB & EI30MH55GWB
Table of Contents
Basic Information
1-2
Section 1 Basic Information .................................. 1-1
Table of Contents .................................................... 1-2
Safe Servicing Practices ........................................ 1-2
Warnings and Safety Information .......................... 1-3
Precautions To Be Observed Before And
During Servicing To Avoid Possible Exposure
To Excessive Microwave Energy............................ 1-5
Before Servicing ...................................................... 1-5
Danger Caution High Voltage ................................ 1-5
Before Servicing ...................................................... 1-6
Servicing the Inverter Unit...................................... 1-7
Microwave Measurement Procedure .................... 1-8
Product Specification.............................................. 1-9
Grounding Instructions .......................................... 1-9
Oven Diagram .......................................................... 1-10
Section 2 Operation
................................................ 2-1
Operating Sequence Description .......................... 2-2
Hot Air Exhaust Ventilation Methods .................... 2-4
Oven Schematic-Off Condition .............................. 2-5
Oven Schematic-Cooking Condition .................... 2-5
Component Descriptions........................................ 2-6
Touch Control Panel Operation.............................. 2-7
Description of LSI.................................................... 2-8
Humidity Sensor Circuit.......................................... 2-11
Section 3 Troub
leshooting and Testing ................ 3-1
Troubleshooting Guide .......................................... 3-2
Troubleshooting Guide Chart ................................ 3-3
Test Procedures ...................................................... 3-4
Section 4 Component
Teardown .......................... 4-1
Servicing .................................................................. 4-2
Precautions for Using Lead-Free Solder .............. 4-3
Warnings .................................................................. 4-4
Hood Louver Removal ............................................ 4-6
Outer Case Removal .............................................. 4-6
Hood Fan Motor Removal ...................................... 4-6
Magnetron Removal ................................................ 4-7
Hood Fan Thermal Cut-out Removal...................... 4-7
Oven Thermal Cut-out Removal ............................ 4-7
Inverter Unit and Fan Motor Replacement............ 4-8
Method for Removing Fan Blade .......................... 4-9
Method for Installing Fan Blade ............................ 4-9
Stirrer Motors Replacement .................................. 4-10
Stirrer Fan Assembly Installation .......................... 4-10
Hood Lamp Sockets Removal ................................ 4-10
Oven Lamp and Lamp Socket Removal ................ 4-11
Positive Lock ® Connector (No-Case Type).......... 4-11
Control Panel Assembly, Control Unit
and Key Unit Removal ............................................ 4-11
Humidity Sensor Removal ...................................... 4-12
Noise Filter Removal .............................................. 4-12
Table Tray Assembly Removal................................ 4-12
Stop Switch, Primary Interlock
Switch, Secondary Interlock Switch
and Monitor Switch ................................................ 4-13
Stop Switch, Primary Interlock
Switch, Secondary Interlock Switch
and Monitor Switch Adjustment ............................ 4-14
Door Replacement .................................................. 4-15
Section 5
Wire Diagrams ........................................ 5-1
Pictorial Diagram .................................................... 5-2
Power Unit Circuit.................................................... 5-3
LSI Unit Circuit ........................................................ 5-4
Printed Wiring Board .............................................. 5-5
Component Descriptions........................................ 2-6
Touch Control Panel Operation.............................. 2-7
Description of LSI.................................................... 2-8
Humidity Sensor Circuit.......................................... 2-11
Section 6 Parts List ................................................ 6-1
Parts List .................................................................. 6-2
Oven Parts Exploded View .................................... 6-4
Cabinet Parts Exploded View ................................ 6-5
Door Parts Exploded View...................................... 6-6
Packing and Accessories ...................................... 6-7