Thermador ME301J Series User Manual

SERVICE MANUAL
for
Thermador Masterpiece
J-Series
Built-in Wall Ovens
Models:
ME301Jx, MED271JS, MED301Jx, ME302Jx,
MED272JS, MED302Jx, MEDMC301Jx,
MEDMCW71JS, MEDMCW31Jx
This manual contains information that is necessary for
servicing the following Thermador electric built-in wall
ovens:
ME301Jx, MED271JS, MED301Jx, ME302Jx,
MED272JS, MED302Jx, MEDMC301Jx,
MEDMCW71JS, MEDMCW31Jx
This manual is designed to be used by qualified
service personnel only. Due to the complexity and the
risk of high-voltage electrical shock, Thermador does
not recommend that customers service their own
units.
This material is intended for the sole use of BSH
authorized persons and may contain confidential and
proprietary information. Any unauthorized review, use,
copying, disclosure, or distribution in any format is
prohibited.

Thermador ME301J Series Specifications

General

Width	30 in
Self-Cleaning	Yes
Color	Stainless Steel
Number of Oven Racks	3
Precision Cooking System	Yes
Temperature Probe	Yes
Interior Light	Yes
Door Style	French Door
Installation Type	Built-In
Height	29 in
Type	Electric
Oven Features	Convection
Control Type	Touch
Depth	24 inches

Summary

IMPORTANT SAFETY INFORMATION

Safety Before Servicing the Appliance

Crucial safety precautions before beginning appliance service.

Component Accessibility

Serviceable from Front

Lists components accessible from the front of the oven.

Serviceable from Top

Lists components accessible from the top after unit removal.

Serviceable from Rear

Lists components accessible from the rear after panel removal.

SERVICE AND REPAIR

Doors

Information about the oven doors and their components.

Removing and Replacing the Door(s)

Step-by-step guide for removing and replacing oven doors.

Door Latch/Motor Assembly

Stuck Latch

Replacing the Latch/Motor Assembly

User Interface

PC Control Module (Relay Board)

Error Codes

Error Code Table

Table listing error codes, descriptions, and causes/actions.

Service Mode / Setting Option Code

Option Codes

Table of option codes for different oven models.

Entering Service Mode

Procedure to enter the oven's service mode.

Setting Option Code

Exiting Service Mode

Resetting the Oven

Fault Tree Diagram

Communication Schematic

Fault Tree

OVEN DEAD cont'd

Failure During Operation

OVEN DISPLAY DEAD

OVEN KEYS NOT FUNCTIONAL

OVEN DOES NOT HEAT

E005: Loss of functional communication...

OVEN DOES NOT RETAIN HEAT (HEATING TOO LOW)

Testing

Wire Color Key

ELEMENT STRIP DIAGRAMS

Upper Oven Strip Diagram

Lower Oven Strip Diagram