Miele MasterChef H 394 B Technical Information
Miele MasterChef H 394 B Technical Information

Miele MasterChef H 394 B Technical Information

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TECHNICAL INFORMATION
MasterChef Ovens
2011 Miele USA
©

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Summary of Contents for Miele MasterChef H 394 B

  • Page 1 TECHNICAL INFORMATION MasterChef Ovens 2011 Miele USA ©...
  • Page 2: Table Of Contents

    MasterChef Ovens Technical Information Table of Contents 1.0   Construction and Design ..................6   1.1   Summary of Model Numbers ..................6   1.1.1 H 39x MasterChef Ovens ..................6     1.1.2 H 39x MasterChef Warming Drawers ..............6  ...
  • Page 3 MasterChef Ovens Technical Information 4.12   Self-Clean Thermostat (“P” Models Only) ..............30   4.13   Convection Fan ......................30   4.14   Rotisserie Motors ...................... 31   4.15   Oven Cavity Lights ....................31   4.16   Automatic Door Lock (“P” Models Only) ..............31   5.0  ...
  • Page 4 Figure 1-13: H 488x B/BP ..................... 19  Figure 1-14: H 489x B2/BP2 ....................20  Figure 2-1: Miele Installation Information Manual for Residential Appliances ....... 22  Figure 2-2: Installation Guide (Included with Each Oven) ............. 23  Figure 3-1: ”Power Failure” Message (H 39x Display Shown) ..........24 ...
  • Page 5 MasterChef Ovens Technical Information Figure 5-13: Front Cover Plate (H 478x) ................39  Figure 5-14: Rear Cover Plate (H 478x) ................39  Figure 5-15: Air Shield Panel ....................40  Figure 5-16: Upper (or Single Oven) Cooling Fan Removal ..........41  Figure 5-17: Lower Oven Cooling Fan Removal ..............
  • Page 6: Construction And Design

    MasterChef Ovens Technical Information Construction and Design Summary of Model Numbers 1.1.1 H 39x MasterChef Ovens Model Oven Type Size (Width) Number Single H 394 B (w/o MasterChef menu) H 395 B H 395 BP Single H 396 B 30” (all models) H 396 BP H 397 B2 H 397 BP2...
  • Page 7: H 4Xxx Masterchef Warming Drawers

    ESW 4822 Table 1-4: Summary of H 4xxx MasterChef Warming Drawers For use with custom panel 1.1.5 EBA Filler Strips Used when installing other Miele products with H 4xxx ovens. Model Number Product Usage Install CVA 266x into 70cm opening EBA4370...
  • Page 8: Appliance Overview

    MasterChef Ovens Technical Information Appliance Overview 1.2.1 Single Oven (Typical) Figure 1-1: Overview of Single Oven Control panel Child safety lock Door contact switch Upper heating element Catalytic liner Convection fan Light Six non-tip level runners Oven door...
  • Page 9: Double Oven (Typical)

    MasterChef Ovens Technical Information 1.2.2 Double Oven (Typical) Figure 1-2: Overview of Double Oven Control panel Door lock Child safety lock Door contact switch Upper heater element Rotisserie motors Light Roast probe socket Convection fan Six level runners Oven door...
  • Page 10: Overview Of User Controls

    MasterChef Ovens Technical Information Overview of User Controls 1.3.1 H 39x Single Oven Controls Figure 1-3: Overview of H 39x Single Oven Controls Display: shows the time or the functions. Touch controls: to select or set a function. ON: to turn the oven on. OFF: to turn the oven off.
  • Page 11: H 4Xxx Single Oven Controls

    MasterChef Ovens Technical Information 1.3.3 H 4xxx Single Oven Controls Figure 1-5: Overview of H 4xxx Single Oven Controls 1.3.4 H 4xxx Double Oven Controls Figure 1-6: Overview of H 4xxx Double Oven Controls...
  • Page 12: Component Overviews

    MasterChef Ovens Technical Information Component Overviews 1.4.1 H 39x B Single Oven (w/o Self-Clean or MasterChef Menu) Figure 1-7: Single Oven, no Self-Clean or MasterChef (H 394 B Shown) (1R12) Lower heating element (1R14) Convection heating element (1M2/2) Convection fan (1R30) Oven temperature sensor (2T1)
  • Page 13: H 39X Bp Single Oven (W/Self-Clean)

    MasterChef Ovens Technical Information 1.4.2 H 39x BP Single Oven (w/Self-Clean) Figure 1-8: Single Oven w/Self-Clean (H 396 BP Shown) (1R12) Lower heating element (1R14) Convection heating element (1M2/2) Convection fan (1M15, 2M15) Rotisserie motors (1R30) Oven cavity temperature sensor (2T1) Lighting transformer (3R30)
  • Page 14: H 39X B2 Double Oven (W/O Self-Clean)

    MasterChef Ovens Technical Information 1.4.3 H 39x B2 Double Oven (w/o Self-Clean) Figure 1-9: Double Oven w/o Self-Clean (H 398 B2 Shown) (2R12) Lower oven lower heating element (2R14) Lower oven convection heating element (2M2/2) Lower oven convection fan (4R30) Lower oven cavity temperature sensor (3F1) Lower oven cavity thermostat...
  • Page 15: H 39X Bp2 Double Oven (W/Self-Clean)

    MasterChef Ovens Technical Information (Z2) Interference suppression capacitor (1T1) Transformer (1S24) Upper oven door switch (1A1, 2A1) Display electronic (1R15) Upper oven broiler element (1R13) Upper oven upper heating element (1H3/1, 2H3/1) Upper oven light assembly Upper oven halogen bulb (1X5/8) Upper oven roast probe socket (2R30)
  • Page 16 MasterChef Ovens Technical Information (2R12) Lower oven lower heating element (2R14) Lower oven convection heating element (2M2/2) Lower oven convection fan (4R30) Lower oven cavity temperature sensor (3F1) Lower oven cavity thermostat (4F1) Lower oven self-clean thermostat (6R30) Lower oven catalyst temperature sensor (2M2/1) Lower oven cooling fan (3S60)
  • Page 17: H 468X B Single Oven (W/O Self-Clean)

    MasterChef Ovens Technical Information 1.4.5 H 468x B Single Oven (w/o Self-Clean) Figure 1-11: H 468x B (R12) Lower heating element (R14) Convection element (M2/2) Convection fan (K1/1) Oven relay (Z1) Interference suppression capacitor (X3/1) Terminal block (1T1) Transformer (1F1) Oven cavity thermostat (419°F/215°C) (M15) Grill motor with switch (S77)
  • Page 18: H 478X B/Bp Single Oven (With/Without Self-Clean)

    MasterChef Ovens Technical Information 1.4.6 H 478x B/BP Single Oven (with/without Self-Clean) Figure 1-12: H 478x B/BP (R12) Lower heater element (1H3/1) Light assembly (1M15) Rotisserie motor (2S60) Door lock position switch (2A1) Selection electronic EW (1A1) Control electronic EPX (1N1) Power electronic EPL (T1)
  • Page 19: H 488X B/Bp Single Oven (With/Without Self-Clean)

    MasterChef Ovens Technical Information 1.4.7 H 488x B/BP Single Oven (with/without Self-Clean) Figure 1-13: H 488x B/BP (R12) Lower heating element (1H3/1) Light assembly (1M15) Rotisserie motor (2S60) Door lock switch (2A1) Selection electronic EW (1A1) Control electronic EPX (1N1) Power electronic EPL (T1) Transformer...
  • Page 20: H 489X B2/Bp2 Double Oven (With/Without Self-Clean)

    MasterChef Ovens Technical Information 1.4.8 H 489x B2/BP2 Double Oven (with/without Self-Clean) Figure 1-14: H 489x B2/BP2...
  • Page 21 MasterChef Ovens Technical Information (3H3/1) Lower oven light assembly (2M2/2) Lower oven convection fan (2R14) Lower oven convection heating element (4S60) Lower oven interlock switch (4F1) Lower oven self-clean thermostat (968°F/520°C) (“P” models only) (2M23) Lower oven door lock motor (“P” models only) (2M2/1) Lower oven cooling fan (5R30)
  • Page 22: Installation

    MasterChef Ovens Technical Information Installation Installation Manual For installation information, refer to the Miele installation information manual for residential appliances or the model-specific operating manual. Figure 2-1: Miele Installation Information Manual for Residential Appliances...
  • Page 23: Installation Guide

    MasterChef Ovens Technical Information Installation Guide A single-page installation guide is included with each appliance. Figure 2-2: Installation Guide (Included with Each Oven)
  • Page 24: Commission And Operation

    MasterChef Ovens Technical Information Commission and Operation General Operation 3.1.1 Selecting and Starting a Program Touch the “ON” (“ON/OFF” on double ovens) control. Select the desired function (e.g., BAKE). Select the desired operation from the submenu (e.g., CONVECTION BAKE). Select the temperature (e.g., 425°F). 3.1.2 Turning Off the Appliance To turn off the oven, touch the "OFF"...
  • Page 25: Door Lock ("P" Models Only)

    MasterChef Ovens Technical Information 3.3.2 Door Lock (“P” Models Only) The door lock is operated via a motorized control. During the self-clean procedure, the door automatically locks after one (1) minute. The door remains locked until the self-clean process has completed and the oven temperature has dropped below 392°F (200°C).
  • Page 26: Description Of Function

    MasterChef Ovens Technical Information Description of Function Figure 4-1: Airflow Paths (Double Oven Shown) Opening between housing and upper holding plate insulation mat Opening between outer and interior glass pane Opening below the door Opening between vent strip and bottom plate Opening between bottom plate and lower insulation mat Convection fan Air duct...
  • Page 27: Cooling Air Intake

    MasterChef Ovens Technical Information Cooling Air Intake The cooling fan (Figure 4-1, Item 9) takes in the air through the opening below the door. The air flows between the outer and inner glass panes and into the area between the housing and upper holding plate insulation mat. Vapor Intake The cooling fan takes in the vapor through the vapor outlet (Figure 4-1, Item 8) and the exhaust duct (Figure 4-1, Item 10).
  • Page 28: Heater Element Activation

    MasterChef Ovens Technical Information 4.6.1 Heater Element Activation Elements are activated based on the program mode selected. Program Mode Bottom Convection Broil Rapid Heat Bake Convection Bake Surround Bake Browning Intensive Auto Roast Convection Roast Surround Roast Broil Maxi Broil Rotisserie Convection Broil Dehydrate...
  • Page 29: Oven Cavity Temperature Sensor

    MasterChef Ovens Technical Information Oven Cavity Temperature Sensor The oven cavity temperature sensor is located in the guide tube of the upper heater elements (Figure 4-2, Item 1). The sensor sends a signal back to the main electronic. The oven cavity temperature is calculated and displayed via the display electronic.
  • Page 30: Oven Cavity Thermostat

    MasterChef Ovens Technical Information Figure 4-4: Self-Clean Temperature Sensor (1) and Catalyst Vapor Outlet (2) 4.11 Oven Cavity Thermostat Each separate oven cavity is equipped with a high-temperature thermostat (thermal cutout). The thermostat is designed to interrupt the power in case the temperature exceeds 680°F (360°C) during normal operation.
  • Page 31: Rotisserie Motors

    MasterChef Ovens Technical Information 4.14 Rotisserie Motors Two 120VAC rotisserie motors are mounted to the rear wall of the oven. These motors drive the rotisserie shafts. 4.15 Oven Cavity Lights There are two oven cavity lights in each oven. Two transformers mounted in the top of the oven power the lights.
  • Page 32: Service And Maintenance

    Service and Maintenance Cleaning and Care Information ® 5.1.1 PerfectClean PerfectClean is a smooth, nonstick surface that cleans up easily with a sponge. The following items are coated with the exclusive Miele PerfectClean finish: Oven walls Roasting pans Anti-splash tray Oven runners Do not clean PerfectClean items in a dishwasher.
  • Page 33: Door Removal

    MasterChef Ovens Technical Information Door Removal 5.2.1 H 39x, H 488x, H 489x Important: DO NOT hold the door by the handle. When handling the door, it should be gripped firmly on the sides (glass and frame). 1. Open the door fully. 2.
  • Page 34: Runner Removal

    MasterChef Ovens Technical Information Runner Removal 5.3.1 H 39x, H 488x, H 489x 1. Remove the oven door (see Section 5.2.1). 2. Turn the two thumbscrews (Figure 5-3, Item 1) counterclockwise and remove. 3. Pull the runners (Figure 5-3, Item 2) away from the oven wall to remove. Figure 5-3: Runner Removal (H 39x, H 488x, H 489x) 5.3.2 H 468x...
  • Page 35: Halogen Light Bulb Replacement

    MasterChef Ovens Technical Information 5.3.3 H 478x 1. Remove the oven door (see Section 5.2.2). 2. Remove the 8-millimeter nuts securing the runners (one per side, located behind arrow in Figure 5-6). Figure 5-6: Runner Release (H 478x) 3. Remove the runners by pulling them out of the rear of the oven (Figure 5-7). Figure 5-7: Runner Removal (H 478x) Halogen Light Bulb Replacement 1.
  • Page 36: Removing The Appliance For Service

    MasterChef Ovens Technical Information Slide the light cover out (Figure 5-9). Figure 5-9: Sliding the Light Cover Out Note: Do not bend the metal clamps. Bending the clamps could damage the clamps and reflector. 6. Replace the halogen bulb. Note: Only use a 12V, 10W, 572°F (300°C) heat-resistant, Osram W818 bulb.
  • Page 37: Control Panel Removal

    MasterChef Ovens Technical Information Figure 5-10: Installation Screws Control Panel Removal 1. Remove the oven door(s) (Section 5.2). 2. Remove the installation screws (Figure 5-10). 3. Carefully move the oven outward about 3 inches. 4. Remove the five screws from the underside of the control panel (Figure 5- 11, Items 1 and 2).
  • Page 38: Safety Cover Removal

    MasterChef Ovens Technical Information Safety Cover Removal 1. Remove the control panel (Section 5.6). 2. Move the oven outward to allow access to the four safety cover retaining screws (Figure 5-12, Item 1). Remove the screws. 3. Pull the safety cover away from the oven. Figure 5-12: Safety Cover Retaining Screws Top Cover Removal (H 39x, H 488x, H 489x) 1.
  • Page 39: Front/Middle/Rear Cover Plate Removal (H 468X Only)

    MasterChef Ovens Technical Information Figure 5-13: Front Cover Plate (H 478x) 5. Remove the four T20 screws securing the rear cover plate. See Figure 5-14. 6. Lift the rear cover plate from the oven. Figure 5-14: Rear Cover Plate (H 478x) 5.10 Front/Middle/Rear Cover Plate Removal (H 468x Only) 1.
  • Page 40: Upper Rear Panel Removal (Double Ovens Only)

    MasterChef Ovens Technical Information 5.11 Upper Rear Panel Removal (Double Ovens Only) 1. Remove the oven for service (Section 5.5). 2. Remove the control panel (Section 5.6). 3. Remove the safety cover (Section 5.7). 4. Remove the top cover (Section 5.8). 5.
  • Page 41: Upper (Or Single Oven) Cooling Fan Removal

    MasterChef Ovens Technical Information 5.15 Upper (or Single Oven) Cooling Fan Removal 1. Remove the oven for service (Section 5.5). 2. Remove the upper rear panel, if applicable (Section 5.11). 3. Disconnect the cooling fan electrical connections (Figure 5-16, Item 1). 4.
  • Page 42: Door Latch Manual Release ("P" Models Only)

    MasterChef Ovens Technical Information Figure 5-17: Lower Oven Cooling Fan Removal 5.17 Door Latch Manual Release (“P” Models Only) Important: Ensure that the oven temperature is below 392°F (200°C), and attempt to unlock the door using the service mode (refer to Section 6.4) before performing this procedure.
  • Page 43: Upper Door Lock Motor And Switch Removal (P-Model Double Ovens Only)

    MasterChef Ovens Technical Information Caution: Ensure that the wire does not contact the coated surfaced, or irreversible damages to the surface can result. 3. Pull the door latch (Figure 5-18, Item 2) by moving the wire horizontally to the right. Figure 5-18: Door Latch Manual Release (“P”...
  • Page 44: Lower Door Lock Motor And Switch Removal (P-Model Double Ovens Only)

    MasterChef Ovens Technical Information Figure 5-20: Door Lock Motor and Bowden Cable 5.19 Lower Door Lock Motor and Switch Removal (P-Model Double Ovens Only) 1. Remove the oven for service (Section 5.5). 2. Remove the upper rear panel (Section 5.11). 3.
  • Page 45: Figure 5-21: Safety Cover Retaining Screws

    MasterChef Ovens Technical Information Figure 5-21: Safety Cover Retaining Screws Note: Use caution when lifting the front of the safety cover, as wiring is still connected. Note: A second person is required to lift the safety cover or to safely secure it into a position during latch, door lock switch and/or door close switch service/replacement.
  • Page 46: Lower Door Latch, Door Lock Switch And Door Closed Switch Access (P-Model Double Ovens Only)

    MasterChef Ovens Technical Information Figure 5-22: Accessing the Door Latch Assembly and Door Closed Switch 6. Remove the two Phillips screws securing the latch assembly to the cavity assembly (Figure 5-23, Item 2). Figure 5-23: Door Latch Assembly Note: To simplify access to the door closed switch retaining tabs, the right side cover can be removed, which will allow direct access to the underside of the locking tabs.
  • Page 47: Oven Cavity Back Panel Removal

    MasterChef Ovens Technical Information 5. Remove the two Phillips screws securing the latch assembly to the cavity assembly (Figure 5-23, Item 2). 6. From the rear of the oven, reach into the air shield opening to access the door lock switch and door closed switch. 5.22 Oven Cavity Back Panel Removal 1.
  • Page 48: H 468X/H 478X

    MasterChef Ovens Technical Information Figure 5-25: Top Heater/Broiler Element 5.23.2 H 468x/H 478x 1. Remove the oven for service (Section 5.5). 2. Remove the front and rear cover plates (Sections 5.9 and 5.10). 3. Remove the cavity temperature sensor from its socket on the upper heater element.
  • Page 49: Convection Fan (M2/2) Removal

    MasterChef Ovens Technical Information Figure 5-26: Convection Element and Fan 5.25 Convection Fan (M2/2) Removal 1. Remove the door(s) (Section 5.2). 2. Remove the oven for service (Section 5.5). 3. Remove the rear panel(s) (Sections 5.11 and 5.12). 4. Remove the oven cavity back panel (Section 5.22). 5.
  • Page 50: Cavity Temperature Sensor Removal

    MasterChef Ovens Technical Information Figure 5-27: Convection Fan Retaining Screws 5.26 Cavity Temperature Sensor Removal See Top Heater/Broiler Element Removal, Section 5.23. 5.27 Self-Clean Thermostat Removal (“P” Models Only) 1. Remove the door(s) (Section 5.2). 2. Remove the oven for service (Section 5.5). 3.
  • Page 51: Self-Clean Thermostat Resistance Values

    MasterChef Ovens Technical Information Figure 5-28: Self-Clean Thermostat Removal 5.28 Self-Clean Thermostat Resistance Values Temperature (°F (°C)) Resistance 32 (0) 1000Ω 68 (20) 1078Ω 77 (25) 1097Ω 86 (30) 1117Ω 122 (50) 1194Ω 212 (100) 1385Ω 302 (150) 1573Ω 392 (200) 1758Ω...
  • Page 52: Catalyst Insert Removal ("P" Models Only)

    MasterChef Ovens Technical Information Figure 5-29: Rotisserie Motors and Screws 5.30 Catalyst Insert Removal (“P” Models Only) 1. Remove the door(s) (Section 5.2). 2. Loosen the top heater element wing nut (Figure 5-30, Item 1). 3. Carefully pull the top heater element downwards. 4.
  • Page 53: Door Disassembly/Glass Removal (H 468X B)

    MasterChef Ovens Technical Information Figure 5-30: Catalyst Insert Removal 5.31 Door Disassembly/Glass Removal (H 468x B) 1. Remove the door (Section 5.2.2). 2. Remove the two retaining screws, as shown in Figure 5-31. 3. Lift the cover strip from the door. Figure 5-31: Top View of H 468x Door, Showing Cover Strip and Retaining Screws 4.
  • Page 54: Door Outer Glass Pane Removal (H 39X, H 478X And H 488X)

    MasterChef Ovens Technical Information Figure 5-33: Middle Panel Removal (H 468x) 5.32 Door Outer Glass Pane Removal (H 39x, H 478x and H 488x) 1. Remove the door (Section 5.2.1). 2. Lay the door, outer glass facing down, on a flat work surface. 3.
  • Page 55: Door Middle Glass Pane Removal (H 39X, H 478X And H 488X)

    MasterChef Ovens Technical Information 5.33 Door Middle Glass Pane Removal (H 39x, H 478x and H 488x) 1. Remove the door (Section 5.2). 2. Remove the door outer glass pane (Section 5.32). 3. H 478x: Remove the two T20 screws securing the top metal brackets (Figure 5-35, Item 1).
  • Page 56: Door Hinge Removal

    MasterChef Ovens Technical Information 4. Remove the spacer brackets (Figure 5-37, Item 2). 5. Remove the inner glass pane (Figure 5-37, Item 1). Figure 5-37: Door Inner Glass Pane Removal (H 39x, H 478x, H 488x) Note: To prevent cooking vapors from entering the door assembly, ensure that the seal remains seated when installing the inner glass pane into the door frame assembly.
  • Page 57: Technical Information 5.35.2 H 478X

    MasterChef Ovens Technical Information Figure 5-38: Door Hinge Removal (H 39x, H 488x) Note: During re-assembly, ensure that all seals and gaskets are seated in the correct positions. 5.35.2 H 478x 1. Remove the oven door (Section 5.2.2). 2. Remove the oven for service (Section 5.5). 3.
  • Page 58: Figure 5-40: Hinge Removal, Part 2 (H 478X)

    MasterChef Ovens Technical Information 7. Remove the hinge to the rear; see Figure 5-40. 8. Repeat for the other hinge. Figure 5-40: Hinge Removal, Part 2 (H 478x) 5.35.3 H 468x 1. Remove the oven door (Section 5.2.2). 2. Remove the oven for service (Section 5.5). 3.
  • Page 59: Fault Diagnosis

    MasterChef Ovens Technical Information Fault Diagnosis Electronics Overview 6.1.1 H 39x Models Figure 6-1: Overview of H 39x Series Electronic Boards...
  • Page 60: H 4Xxx Models

    MasterChef Ovens Technical Information 6.1.2 H 4xxx Models Figure 6-2: Overview of H 4xxx Series Electronic Boards Fault Code Summary NTC sensor short circuit F 05 NTC sensor open circuit F 06 Catalyst temperature sensor short circuit F 07 Catalyst temperature sensor open circuit F 09 Self-clean preheat fault (460°...
  • Page 61: Programming Mode

    MasterChef Ovens Technical Information Programming Mode Initial requirements: 1. Cancel/finish any programs that are running. 2. Switch off the appliance. 3. Close the door. Accessing: Note: The access procedure must be completed within 10 seconds. On double ovens, the programming mode is separate for each oven. Use the appropriate On/Off pad to access programming mode for the desired oven.
  • Page 62 MasterChef Ovens Technical Information Option Setting(s) English Deutsch Espanol LANGUAGE Francais Portuguese Small Size Large 12 Hour Clock Format 24 Hour CLOCK Clock Display Enter Time HH:MM H 39x H 4xxx Bake Bake Browning Convection Bake Sabbath Baking Surround Bake Maxi Broil Browning Sabbath Surround...
  • Page 63: Service Mode

    MasterChef Ovens Technical Information Table 6-2: Programming Mode Service Mode Initial requirements: 1. Turn off the oven. 2. Close the door(s). Accessing: Note: The access procedure must be completed within 10 seconds. On double ovens, the service mode is separate for each oven. Use the appropriate On/Off pad to access service mode for the desired oven.
  • Page 64: Table 6-3: Service Mode

    MasterChef Ovens Technical Information Function Options Description All Off Cooling Fan Heating Elements Rotisserie Motors Cycles specific components Convection Fan FUNCTION TEST for testing purposes. Buzzer Interior Light Display Door Lock None Temperature Interior Checks the status and values Door Switch of various switches and SENSOR TEST Temperature Catalyst...
  • Page 65: Temperature Test

    MasterChef Ovens Technical Information Temperature Test 6.5.1 Test Equipment 1. Electronic thermometer (mat. no 05595760) or thermocouple/multimeter 2. Special test lead (mat. no 05661240) 3. Holder for test lead (mat. no 05054650) 6.5.2 Test Procedure Before starting the test procedure, check the main voltage (208VAC-240VAC) and verify that the appliance is programmed correctly (H 39x - check if correct broil element(s) is installed, or H 4xxx - check voltage setting in service mode).

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