Thermador CM302B Service Manual

Thermador CM302B Service Manual

Built-in
Table of Contents

Advertisement

SERVICE MANUAL
for
®
THERMADOR
BUILT-IN OVENS
Model CM302S
MODELS:
CM301B / CM301W / CM301S
CM302B / CM302W / CM302S
Lit. No. 94-30-006B
August, 2000

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CM302B and is the answer not in the manual?

Questions and answers

Summarization of Contents

GENERAL INFORMATION AND SAFETY
DATA PLATE LOCATION
Location of the oven's data plate, usually behind the cooling vent.
SAFETY AND OPERATIONAL PRECAUTIONS
SYMBOLS USED IN THE MANUAL
Explains warning, caution, tech tip, and service alert symbols.
AVOID MICROWAVE ENERGY EXPOSURE
Precautions to prevent exposure to microwave radiation during servicing.
TROUBLESHOOTING CAUTIONS
General safety precautions for troubleshooting microwave ovens.
AVOID ELECTRICAL SHOCK
Warnings and precautions related to avoiding electrical shock.
MICROWAVE RADIATION LEAKAGE MEASUREMENT
Steps for safely measuring microwave radiation leakage from the oven.
SERVICING OVEN COMPONENTS
COMPONENT LOCATIONS OVERVIEW
Identifies the location of various oven components.
REMOVING TRIM AND TOP PLENUM COVERS
Instructions for removing the oven's trim and top plenum covers.
REMOVING ELECTRONIC OVEN CONTROL BOARD
Step-by-step guide to remove the electronic oven control board.
REMOVING FUSEBLOCK AND MICROWAVE PCB
Instructions for removing the fuseblock and microwave PCB.
REMOVING LIGHT TRANSFORMER AND DOUBLE LINE BREAK RELAY
Steps to remove the light transformer and double line break relay.
REMOVING STIRRER MOTOR
Procedure for removing the stirrer motor from the oven.
REMOVING TRANSFORMER COOLING FAN AND AIR SWITCH
Guide to removing the transformer cooling fan and air switch.
REMOVING MAGNETRON FAN ASSEMBLY
Steps to remove the magnetron fan assembly.
REMOVING CROSSFLOW TOP COOLING BLOWER
Instructions for removing the crossflow top cooling blower.
REMOVING HIGH VOLTAGE MICROWAVE CAPACITOR
Procedure for removing the high voltage microwave capacitor.
REMOVING HIGH VOLTAGE DIODE
Steps to remove the high voltage diode.
REMOVING HIGH VOLTAGE MICROWAVE TRANSFORMER
Guide to removing the high voltage microwave transformer.
REMOVING MAGNETRON AND THERMAL CUTOUT
Instructions for removing the magnetron and its thermal cutout.
REMOVING CONTROL PANEL, DISPLAY BOARD, AND TOUCH PANEL GLASS
Steps to remove the control panel, display board, and touch panel glass.
REMOVING UPPER OVEN DOOR SWITCH
Procedure for removing the upper oven door switch.
REMOVING DOOR LATCH, HI-TEMP CUTOUT, MONITOR & SECONDARY SWITCHES
Steps to remove door latch, high-temp cutout, monitor, and secondary switches.
REMOVING HALOGEN LIGHT ASSEMBLY
Guide for removing the halogen lamp holder assembly.
REMOVING BROIL ELEMENT AND STIRRER BLADE ASSEMBLY
Instructions for removing the broil element and stirrer blade assembly.
REMOVING WAVEGUIDE
Steps for removing the waveguide.
REMOVING CONVECTION ELEMENT AND MOTOR
Guide to removing the convection element and motor.
REMOVING HIDDEN BAKE ELEMENT
Instructions for removing the hidden bake element.
REMOVING OVEN THERMAL SENSOR
Procedure for removing the oven thermal sensor.
REMOVING UPPER OVEN DOOR GASKET
Steps for removing the upper oven door gasket.
REMOVING AND REINSTALLING MICROWAVE OVEN DOOR
Procedure for removing and reinstalling the microwave oven door.
REMOVING UPPER OVEN DOOR HANDLE AND OUTER GLASS
Instructions for removing the oven door handle and outer glass.
REMOVING DOOR HINGE, ACTUATOR ARM, CENTER GLASS, RF SCREEN, AND INNER GLASS
Steps to remove door hinge, actuator arm, center glass, RF screen, and inner glass.
REMOVING OVEN MODULE (30" Convection Kit)
Steps to remove the 30" convection oven module.
TROUBLESHOOTING AND COMPONENT TESTING
GENERAL COMPONENT TESTING
General guidance on testing oven components.
TESTING BLOWER MOTOR AND AIR SWITCH
Testing procedures for blower motor and air switch.
TESTING CONVECTION FAN MOTOR AND LAMP TRANSFORMER
Testing procedures for convection fan motor and lamp transformer.
TESTING OVEN DOOR LATCH ASSEMBLY
Testing procedures for the oven door latch assembly.
TESTING HIDDEN BAKE AND BROIL ELEMENTS
Testing procedures for hidden bake and broil elements.
TESTING CONVECTION BAKE ELEMENT AND HI-TEMP CUTOUT
Testing procedures for convection bake element and hi-temp cutout.
WIRING DIAGRAMS
CM301 ELECTRONIC OVEN CONTROL WIRING
Wiring diagram for the CM301 electronic oven control.
CM302 ELECTRONIC OVEN CONTROL WIRING
Wiring diagram for the CM302 electronic oven control.

Table of Contents