Electrolux EI30BM55HB - Table of Contents

This Manual has been prepared to provide Electrolux Service Personnel
with Operation and Service Information for ELECTROLUX MICROWAVE
OVENS, EI30BM55HB, EI30BM55HS, EI30BM55HW and EI30BM55HZ.
Table of Contents
Basic Information
1-2
Section 1 Basic Information
.................................. 1-1
Table of Contents .................................................... 1-2
Safe Servicing Practices ........................................ 1-3
Warnings and Safety Information .......................... 1-4
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
Microwave Measurement Procedure .................... 1-7
Product Specification.............................................. 1-8
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
Humidity Sensor Circuit.......................................... 2-8
Section 3
Troubleshooting 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
Removal of Oven From Wall .................................. 4-6
Hood Louver Removal ............................................ 4-6
Outer Case Removal .............................................. 4-6
Hood Fan Motor Removal ...................................... 4-6
Magnetron Removal ................................................ 4-7
High Voltage Rectifier & High Voltage Capacitor.. 4-7
Hood Fan Motor, Hood Duct, Oven
Lamp Socket and Humidity Sensor
Replacement ............................................................ 4-8
Power Transformer Removal .................................. 4-9
Hood Fan Thermostat (60ºC ON and
70ºC Off) Removal .................................................. 4-9
Turntable Motor Removal........................................ 4-9
Cooling Fan Motor Removal .................................. 4-10
Positive Lock ® Connector (No-Case Type).......... 4-11
Oven Lamp Removal .............................................. 4-11
Cook Top Lamp Socket .......................................... 4-11
Stirrer Antenna Motor Removal ............................ 4-11
Stirrer Cover and Stirrer Antenna
Installation................................................................ 4-12
Right Panel Assembly and Power Unit
Removal.................................................................... 4-12
Door Sensing Switch, Secondary Interlock Switch
and Monitor Switch Removal ................................ 4-12
Door Sensing Switch, Secondary Interlock Switch
and Monitor Switch Adjustment ............................ 4-13
Door Replacement .................................................. 4-14
Door Disassembly .................................................. 4-15
Section 5
Wire Diagrams ........................................ 5-1
Pictorial Diagram .................................................... 5-2
Power Unit Circuit.................................................... 5-3
Glass Touch Key Unit and Display Unit Circuit .... 5-4
Printed Wiring Board .............................................. 5-5