Table of Contents
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S
ERVICE
for
Thermador
Masterpiece Series
Built-in Wall Ovens
Models:
M271ES, ME271Ex, ME272ES, MED272Ex,
MEM271Ex, MEMW271Ex, M301Ex, ME301Ex,
ME302Ex, MED302Ex, MEW301ES,
MEM301ES, MEMW301ES, MEMCW301Ex
M
ANUAL
This manual contains information that is necessary for
servicing the following Thermador electric built-in wall
ovens:
M271ES, ME271Ex, ME272ES, MED272Ex,
MEM271Ex, MEMW271Ex, M301Ex, ME301Ex,
ME302Ex, MED302Ex, MEW301ES, MEM301ES,
MEMW301ES, MEMCW301Ex
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.
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Summary of Contents for Thermador Masterpiece ME271E Series
- Page 1 ERVICE ANUAL Thermador Masterpiece Series Built-in Wall Ovens This manual contains information that is necessary for servicing the following Thermador electric built-in wall ovens: M271ES, ME271Ex, ME272ES, MED272Ex, MEM271Ex, MEMW271Ex, M301Ex, ME301Ex, ME302Ex, MED302Ex, MEW301ES, MEM301ES, MEMW301ES, MEMCW301Ex This manual is designed to be used by qualified service personnel only.
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Page 2: Table Of Contents
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens TABLE OF CONTENTS Error Codes ................18 General ..................3 Error Code Table ..............18 Models................... 3 Service Mode / Setting Option Code ........19 Features and Options............3 Entering Service Mode ............19 Data Plate................ -
Page 3: General
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens ME302Ex Double oven with true convection/thermal GENERAL MED302Ex Double oven with true convection both cavities MEW301Ex Combination with true convection oven and There are 15 M/ME models in various combinations included in the warming drawer 2007 Thermador Masterpiece Built-in Wall Oven (BIWO) Series. -
Page 4: Data Plate
The product is warranted to be free from defects in materials and workmanship for a period of 12 months from date of purchase. Thermador will pay for all repair labor and replacement parts found to be defective due to materials and workmanship. Service must be provided by a Factory Authorized Service Agency, during normal Table 2 Thermador 30”... -
Page 5: Using Table 3 (Element Duty Cycles During Preheat)
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens which results in varied element cycle times rather than the standard 2.1.1 Using Table 3 (Element Duty Cycles During Preheat) fixed 60-second cycle. In Table 3, Duration is defined as the number of seconds an element is turned on (e.g., 12 indicates the element will be on for 12 seconds.) -
Page 6: Sequence Of Events
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Sequence of Events Figures 2 – 5 reflect the sequence of events which occur during Preheat for the various cooking modes. Figure 3 Sequence of Events during Preheat: Convection Broil/Broil modes Figure 2 Sequence of Events during Preheat: Convection Bake &... -
Page 7: Cooling Fans
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Figure 4 Sequence of Events during Preheat: True Convection Fi gure 5 Sequence of Events during Preheat: Self-clean mode Cooling Fans Cooling fans will run for two minutes after the oven has been shut off, regardless of the oven temperature. -
Page 8: Component Accessibility
The User Interface is serviceable from the front after sliding the oven Doors out from the wall ~ 4 inches. On double ovens, the Thermador logo is located on the upper oven Serviceable from Top outer door glass. The PC control module (relay board) is serviceable from the top The Masterpiece Series handles are interchangeable with the access panel after sliding the oven out from the wall ~16 inches. -
Page 9: Door Latch/Motor Assembly
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens To remove the door: automatically lock when mode and temperature selectors are set to CLEAN, and unlock when the oven cools to ~490°F. It is serviced as 1. Open door completely. -
Page 10: Replacing Lamps
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens On double ovens, if the button is pressed without first 3. Pull the halogen bulb straight out from its socket. OVEN LIGHT pressing , the lights in both cavities will turn on. If 4. -
Page 11: High Temperature Cutout (Htc)
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens High Temperature Cutout (HTC) Temperature Sensor The HTC is a normally closed switch which will interrupt the relay Use an ohmmeter to check the resistance of the sensor. Normal supply voltage in the event of a high temperature event caused by a ranges (based on cavity temperature) are shown in Table 4. -
Page 12: Broil Element
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens 1. Press ; the main User Settings menu will appear 2. Remove the 2 T20 screws on either side of the element INFO 2. Select 2 for Custom; the initial list of options will appear terminals. -
Page 13: Pc Control Module (Relay Board)
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens 3. Grasp one corner of the interface panel and lift upward, then pull it toward you (see Figure 12). 4. Repeat on the other side. 5. Disconnect the 3-wire yellow harness leading to PC control module. - Page 14 Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Use Table 5 as a reference guide to the plugs, pins, and wire colors found on the PC control module. PLUG NO PIN NO FROM/TO COMMUNICATION 5-position card-edge Control Module to Power Supply Module...
- Page 15 Service Manual for Thermador Masterpiece Series Built-in Wall Ovens PLUG NO PIN NO FROM/TO PLUG NO PIN NO FROM/TO 4-BK L1 to K106 Relay 3-BU High Temperature Cutout (HTC) 5-BK L1 to K106 Relay LOWER CAVITY ELEMENTS X201 1-BU **...
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Page 16: Power Supply Module
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens PLUG NO PIN NO FROM/TO Always reset the oven and test after changing the control module. In 2-RD L2 to K217 Relay some cases, a second reset may be necessary. 3-BN K216 to Light Transformer 4.10... -
Page 17: Convection Fan Motor
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens 4.12 Convection Fan Motor Tuck insulation up into the oven wall as necessary. While holding element terminals, lift element upward to clear The convection fan motor is 120V 29W. To test the motor, check for the outer edge of the compartment. -
Page 18: Error Codes
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens If the Hall effect sensor does not detect fan rotation, an error will display. To test the upper fan at the control module, check voltage CODE DESCRIPTION CAUSE/ACTION E000 Wrong module combination Control module and user across X105 / Pin 3 or 4 and neutral. -
Page 19: Service Mode / Setting Option Code
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens CODE DESCRIPTION CAUSE/ACTION Setting Option Code E118/E218 Cvt 1/Cvt 2 Cooling fan supervision Cooling fan speed is too low error or too high. Refer to Diagram 5. Locate the 4-digit code on the label near the PC control 2/4. -
Page 20: Demo Mode
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens DEMO MODE The display and lights will work on 120VAC when the black and red wires are tied together. TROUBLESHOOTING Use the Fault Tree Diagram and Fault Tree on the following pages to guide troubleshooting efforts. -
Page 21: Fault Tree Diagram
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Fault Tree Diagram Page 21 of 33... - Page 22 Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Page 22 of 33...
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Page 23: Fault Tree
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Fault Tree Page 23 of 33... - Page 24 Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Page 24 of 33...
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Page 31: Testing
Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Plug Pins Operates Explanation X206 1 (common), Lower oven door If latch position is not detected during Testing 6, 7 latch normal operation, E224/226 will be displayed. Test with wire harness off at pin header or with circuits open. -
Page 32: Strip Diagrams
Technical Support To reach Thermador technical support, call the toll free TechLine at 800 444-9091. Technicians are available to assist you Monday – Friday, between the hours of 5am and 5pm, Pacific Time. - Page 33 Service Manual for Thermador Masterpiece Series Built-in Wall Ovens Notes 58300000137141 ARA EN B BSH Home Appliances Corporation Page 33 of 33 5551 McFadden Ave., Huntington Beach, CA 92649 October 2008...
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