Service Manual Therm Pro BIWO_RevA3
Contents
1. Cvt 1 Cvt 2 Door latch does not lock Refer to Diagram 2 4 Service Manual for Thermador Professional Series Built in Wall Ovens CODE DESCRIPTION CAUSE ACTION E312 Defective control module PCB temp sensor Table 8 Error codes 6 SERVICE MODE Only the PODx models with a display have Service Mode capabilities 1 Set oven mode knob s to OFF 2 Set upper oven temperature knob to 100 3 Press SELECT and 4 simultaneously for 5 seconds P5 1 will appear in the display A button press or change in mode knob will prompt a response Service mode will terminate when the upper oven temperature knob is turned an oven cavity exceeds 400 or when idle time exceeds 5 minutes 7 OPTION CODE The Option Code on Pro Series ovens is programmed in memory and will automatically transfer to the User Interface board and PC Control Module when necessary Option Codes are provided in Table 9 for information purposes only MODEL OPTION CODE MODEL OPTION CODE PO301 0550 POQ302 1050 POD301 0551 POD302 1051 PODC302 1251 POM301 0550 POMW301 0550 KN Table 9 Option codes Page 18 of 21 8 DEMO MODE The display and lights will work on 120VAC when the black and red wires are tied together X105 X105 X105 X106 E Upper oven 9 TROUBLESHOOTING Test with wire harness off at pin header or with circuits open Plug Pins Operates Explanation X102 4 5 Upper oven No fail code If2. the duration and Tables 2 3 and 4 Element duty cycle during preheat by cavity start point by preheat mode for cavity types A C and D 2 2 Sequence of Events Technicians should have ample time to troubleshoot element problems during the 10 minute preheat period Figures 2 8 that follow reflect the sequence of events that occurs during preheat for the various cooking modes Page 4 of 21 Service Manual for Thermador Professional Series Built in Wall Ovens Rotisserie Mode Bake Roast Warm Proof Pizza Pie Sabbath Mode Rotisserie Only LLLLLLLLLLLL LLL K121 Relay K114 Relay DLB Relay K106 K206 Closes Closes Contacts Relay Closes K114 Relay DLB Relay K102 K202 K106 K206 soe oe bere es Close Closes Contacts Relay Closes Relay Closes G EE eh NE Rotisserie Cooling Fan 120 Volts Flow Motor Runs 120 Volts Flow fram from L1 to Inner Cooling Fan 120 Volts Flow 120 Volts Flow ge eee L2 to Inner Broil Broil Element Runs 120 Volts Flow from from L1 to from L1 to H Element L2 to Bake Inner Bake Element Inner Brail YES Z NO Broil Elements Element Hall Effect Sensor Sends Hall Effect i Completed Signal to Control 1 Incomplete Circuit SEH Sensor Sends Relays K102 K202 and K106 K206 Alternately Open and Close Circuit door 1 1 door open or i Signal to Control 1 closed Signals 1 K106 K206 Opens and Closes failure X107 1 X207 1 Board Completed Incomplete Circuit Circu
3. up If the oven does not appear to be functioning properly it will not heat or the display does not look normal a power reset should be performed preferably by the customer before service is requested 4 8 1 Removing the User Interface Slide unit out from wall 4 inches Remove 2 T20 bolts from each side 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 See Figure 11 T3 User Interface variations The temperature selector is an encoder with 23 positions position O OFF and position 22 CLEAN Rotary switches are used for cooking mode selectors and the number of switch positions will vary by model either 6 or 12 The user interface control board clock and rotary setting devices are assembled onto a chassis and the entire assembly is serviced as a single unit Figure 12 Each side of the user interface bracket has a tab that rests in a slot on the chassis u profile Page 11 of 21 To remove the User Interface Board and chassis from the stainless steel panel 1 Remove all knobs 2 Rotate clock bezel counterclockwise 3 Remove 10 binding head T20 screws securing the interface chassis to the bracket these screws are unique to the interface notice the serrated underside After installing a new User Interface Board always reset the oven and test
4. upper plenum access panel as shown in Figure 19 Figure 19 Location of Thermador Built in Oven Service Guide 5 1 How Error Codes are Communicated On models without a digital display error codes are communicated through a series of 3 LEDs on the User Interface see Figure 20 blinking at a frequency of 5 seconds on and 5 seconds off Figure 20 LEDs used to communicate error codes on the PO301 user interface left and PO302 user interface right Service Manual for Thermador Professional Series Built in Wall Ovens LED communicates the left digit of the error code LED2 communicates the middle digit of the error code LEID communicates the right digit of the error code For example Error Code 115 is displayed by 1 blink of LED1 1 blink of LED2 and 5 blinks of LED3 After a 1 second pause the end of the code series will be signaled by LED1 LED2 and LEDS turning on for 1 second The sequence will then repeat On models with digital display digital error codes will show to the right of the clock see Figure 21 and blink at a frequency of 2 seconds on 5 second off Clear the error by touching the and buttons simultaneously TOUCH TO CLEAR ERROR Figure 21 Error code 115 displayed on POD302 PODC302 user interface 5 2 Error Code Table The following table is included in the PO3802 POD302 PODC302 Service Guide The same error code information applies to PO301 POD301 POM301 POMW301 models except
5. 00 when the temperature knob is set to 325 4 7 Broil Element s All single oven models as well as the upper cavity of double oven models have a 12 pass broil element that consists of an Inner Broil Element 240V 3600 W and an Outer Broil Element 240V 1400W In the lower cavity of double oven models the 10 pass Inner Broil Element is used 240V 3600W Refer to the Element Strip Diagram to test the element at the control module or 1 Remove the 4 T20 screws securing the element to the broil reflector 2 Remove the 2 T20 screws on either side of the element terminals 3 Pull the element toward you so that the terminal wires are inside the oven cavity Disconnect the wires from the inner broil element terminals Use an ohmmeter to check for resistance of 16 ohms Disconnect the wires from the outer broil element terminals if applicable 7 Use an ohmmeter to check for resistance of 41 ohms SE 4 8 User Interface Figure 11 reflects the 5 variations of the T3 User Interface used in the Pro Series ovens Three have an LED display Page 10 of 21 Service Manual for Thermador Professional Series Built in Wall Ovens Oh 13S1 POD301 POM301 POMW301 T3D1A PODC302 NOTICE 13D1B POD302 and 2 without display T3S2 P0301 T3D2 P0302 The Pro User Interfaces require a relatively long start up There will not be a response if attempting to operate the unit during the first 20 seconds after power
6. 4 Relay to Bake Element BAKE amp OUTER COOLING X102 1 YE K003 DLB Relay to Inner Broil Element Gg lt gr 2 Not Used N A Gren _ 3 Blank N A SS Seri 4 RD L2 to K003 DLB Relay 5 RD L2 to K003 DLB Relay 1 BU K002 DLB Relay to Ring Element L2 to K002 DLB Relay 3 Blank N A 4 RD L2 to K001 DLB Relay 5 Blank N A K001 DLB Relay to Bake Element K001 DLB Relay to Outer Broil Element X104 1 VT K107 Relay to Inner Broil Element Figures 15 and 16 Relay locations on the double and single oven control modules 2 Blank N A Front Use Table 7 as a reference guide to the plugs pins and wire colors 3 BK L1 to K107 Relay found on the PC Control Module 4 BK L1 to K106 Relay 5 BK L1 to K106 Relay 6 Blank N A 7 Not Used N A K106 Relay to Inner Broil Element High Temperature Cutout HTC 2 Not Used N A High Temperature Cutout HTC UPPER SINGLE CAVITY SMALL LOAD K121 Relay to Rotisserie Motor PLUG NO PINNO FROM TO COMMUNICATION 5 position card edge Control Module to Power Supply Module connector WH connector YE connector YE w C EN LI C connector WH GN UPPER SINGLE CAVITY ELEMENTS X101 1 OR K102 Relay to Ring Element 2 BK L1 to K102 Relay 3 Blank N A 4 BK L1 to K104 Relay 5 Blank N A 1 GR 2 YE K112 Relay to Convection Fan 3 BU WH K114 Relay to Cooling Fan L 4 BU K115 Relay to Cooling Fan H 5 Not Used N A Softlight Triac to Lights Page 13 of 21 Service Manual for Thermador Professio
7. 97 426 4 3504 5 4 450 69 220 8 2 630 9 6 B45 13 0 900 13 6 Table 6 Normal temperature sensor resistance readings On models with a display real time cavity temperature can be measured while in Service Mode refer to the section entitled Service Mode or the Service Guide for instructions After entering Service Mode press the max button once to display the real time upper cavity temperature a second press will display the upper cavity probe temperature For lower oven readings press the LIGHT button 4 6 1 Setting Temperature Offsets If it becomes necessary to adjust the ongoing operating temperature of one or both oven cavities offsets may be programmed on models with a display Oven temperature offsets can be entered to raise or lower the cavity temperature during Bake Convection Bake Roast Convection Roast and Speed Convection modes To access the 5 incremental offset selections simultaneously press FAST PREHEAT and for cavity 1 or FAST PREHEAT and for cavity 2 for 5 seconds After confirming that Uoper or Lower is correctly illuminated in the Service Manual for Thermador Professional Series Built in Wall Ovens display press 4 to enter a positive offset or to enter a negative offset A 25 offset will result in a cavity temperature of 350 when the temperature knob is set to 325 for any of the cooking modes listed above Similarly a 25 offset will result in a cavity temperature of 3
8. In some cases a second reset may be necessary 4 9 PC Control Module To access the PC Control Module pull the unit out from the wall 15 16 inches and remove the access panel 3 T20 screws on the top of the unit See Figure 13 Figure 13 PC Control Module is visible after removing access panel Whenever possible conduct troubleshooting tests at the control module Refer to Figures 14 16 for plug and relay locations NOTICE More than 75 of the control modules returned to the factory are fully functional Before diagnosing a bad control module be sure to disconnect and reconnect each wire wire harness Service Manual for Thermador Professional Series Built in Wall Ovens Rear X110 et X210 Front Figure 14 Plug locations on the double oven control module PC Control Board Relay Diagram PO302 POD302 PODC302 ELEMENTS BAKE ELEMENT Rear ELEMENT ELEMENT MOTOR K112 baal S a S 5 K121 S S i Ze x Ka DLB DLB RING CONV MOTORIZED ELEMENT FAN PESTELE COOLING FAN iL K115 K117 K102 K206 Koo4 E D Koos Je D K006 K204 K202 K217 ER Front RING BAKE CONV ELEMENT ELEMENT FAN BAKE amp OUTER RING NOT BROIL ELEMENTS BROIL MOTORIZED BROIL ELEMENT DOOR LATCH ELEMENT Page 12 of 21 Service Manual for Thermador Professional Series Built in Wall Ovens PC Control Board Relay Diagram PO301 POD301 POM301 POMW301 PLUG NO PINNO FROM TO eg 6 BU K10
9. SERVICE MANUAL for Thermador Professional Series Built in Wall Ovens Models PO301 POD301 PO302 POD302 PODC302 POM301 POMW301 This manual contains information that is necessary for servicing the following Thermador electric built in wall ovens P0301 POD301 PO302 POD302 PODC302 POM301 POMW301 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 Service Manual for Thermador Professional Series Built in Wall Ovens TABLE OF CONTENTS 5 1 How Error Codes are CGommuntcaied 17 We e ME 3 Oe Error Code T able scercsticen cide nadie ieiactatanedek eeeeieccenesecce 17 EE EIER 3 0 Te A te EE 18 1 2 Features and Options tieramen 3 7 Option Code oiia a aa 18 PSs Data Pilde crai recat eiee teaasteast esoteric eae 3 B DEMO MOC ege ee EE 19 ta Waray EE 4 J MFOUDIESHOOUNG isiin aaa 19 GN Operati 1 E 4 10 Wiring Diagrams and Schematics ssceeeeeesseeeseeeneees 19 Sc Element DUV Gy CleS sxxtasect od ace A EE 4 11 Additional E le 21 22 CJUNO EVES eea 4 11 1 TE e 21 3 Component Accessibility cccccccsssseesssssseesecenseesseeseeeeees 6 11 2 PeGhNiCal SUDDOM arsin cree eet 21 3 1 Serviceable from Front 6 3 2 Serviceable from Top 7 3 3 Serviceable from Hear ei 7 A SERVICE ANd REDA secsrcocessatectoeseietcadas recetaseu
10. ake Denen Broil Element Outer Broil Element Figures 22 25 Element strip diagrams Page 20 of 21 Service Manual for Thermador Professional Series Built in Wall Ovens 11 ADDITIONAL REFERENCES 11 1 QuickFinder For further information please refer to the following documents on QuickFinder Wiring Diagram Built in Oven Service Guide Installation Instructions Use and Care Manual MCES MCEB Convection Microwave Use and Care Manual MCES MCEB Convection Microwave Installation Instructions MCES MCEB Convection Microwave Service Manual WD27 WD830 Traditional Warming Drawer Use and Care Manual Exploded views parts lists and related service and parts notes are also available on QuickFinder NOTICE Not all service parts are shown on the QuickFinder exploded views review the parts list for additional information 11 2 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 BSH Home Appliances Corporation Page 21 of 21 5551 McFadden Avenue Huntington Beach CA 92649 58300000126968 ARA EN A September 2007
11. ases a second reset may be necessary 4 10 Power Supply Module The power supply module 9 6V 12 5W provides DC voltage to the control module and user interface 4 11 Halogen Light Transformer s One transformer 120V 12V 40VA is utilized per cavity Triac switches 120 VAC to the transformer There are 4 terminals on the new transformer as shown in Figure 17 The resistance between the primary terminals should measure 12 8 ohms and the resistance between the secondary terminals should measure 0 32 ohms Service Manual for Thermador Professional Series Built in Wall Ovens Secondary LINE Terminals Primary LOAD Terminals Terminal Block Figure 17 Halogen light transformer 4 12 Convection Fan Motor The convection fan motor is 120V 29W To test the motor check for 120V across X105 Pin 2 upper single or X205 Pin 1 PODC and chassis ground or neutral The motor is accessible from the rear after removing the rear outer sheet metal panel 1 Disconnect the 2 wires from the motor terminals 2 Remove 3 T20 screws from the arms of the motor assembly 3 Use a tap and a hammer to dislodge the assembly from the clips that secure it to the rear of the unit Position tap on the arm secured by the rightmost clip Page 15 of 21 4 13 Bake Element Upper Oven Refer to the Strip Element Diagram to test the element 240V 2000W at the control module or disconnect the wires from the terminals and use a me
12. bly See Figure 10 lf the latch becomes stuck in the locked position turning the unit off and back on will open the latch if the cavity temperature lt 450 If latch is stuck in partially locked position turn the mode selection knob to CLEAN then to OFF In models with a display the latch can be tested in Service Mode To remove the latch motor assembly 1 Remove 3 T20 screws securing trim piece to frame do not remove 2 screws on either side of latch 2 Pull trim forward about 1 then slightly to the right or left to clear the screw tab see Figure 10 3 Slip hands under trim and lift upper plate while sliding trim and latch toward you Service Manual for Thermador Professional Series Built in Wall Ovens Figure10 Door latch motor assembly 4 3 Lamps Softlight is a feature in all oven Pro Series oven cavities and a triac is used to switch the voltage The lights will gradually fade in when turned on and fade out when turned off lf this feature is not working properly check the pin out of X105 to verify that pin 6 Softlight triac output is utilized rather than pin 5 relay output On double ovens verify that pin 4 on X205 Softlight triac output is utilized rather than pin 3 relay output If the pin out is correct replace the control module There are 4 halogen lamps in each Pro Series cavity 1 on each side and 2 on the oven ceiling Double oven lights are operated by a series of button pushes as sh
13. d Hall Effect Sensor Sends Relays K102 K202 and K106 K206 Open and Close Signal to Control X107 1 X207 1 Completed Incomplete Circuit Circuit Signals Flashes E118 E218 Board and Shuts Unit Off Figures 2 8 Sequence of events 3 COMPONENT ACCESSIBILITY 3 1 Serviceable from Front Door Door latch motor assembly Cavity lamps High Temperature Cutout HTC Convection ring element and convection fan assembly except motor Temperature sensor Inner and outer broil elements Page 6 of 21 The User Interface is serviceable from the front after sliding the oven out from the wall 4 inches 3 2 Serviceable from Top The PC Control Module is serviceable from the top access panel after sliding the oven out from the wall 16 inches With the unit pulled completely away from the wall the following components are serviceable from the top after removing the top panel Halogen light transformers Terminal block Power supply 3 3 Serviceable from Rear With the unit pulled completely away from the wall and the back panel s removed the following components can be serviced from the rear Convection fan motor Bake element Cooling fan s Rotisserie motor 4 SERVICE AND REPAIR A CAUTION Sheet metal parts often have sharp edges Avoid injury by handling these parts with care Turn off the electrical power circuit to the oven at the main junction box before servicing this uni
14. double line break relay and double line break does not close L2 120 volts will not X103 2 4 relay coil reach upper oven bake broil convection elements Upper door latch Will accept all modes except self motor clean When oven set to self clean display will be on constantly doors will not lock and self clean will not start E106 will appear Ee eaa e convection motor motor will not work ee rotate Upper oven door If latch position is not detected during latch normal operation E124 126 will be displayed Controls function normal When sensor sensor opens E101 code will appear If sensor shorts E104 will appear Cooling fan is on constantly Cooling fan Will accept modes In 45 seconds motors E118 will appear in upper oven display or E218 will appear in lower oven display when hall sensor does not detect fan rotation Lower oven No fail code If double line break relay does not close L2 120 volts will not reach lower oven bake broil convection elements double line break relay coil Service Manual for Thermador Professional Series Built in Wall Ovens X207 Lower oven sensor Sends display signal to display X2 Sends communication signals to display Table 10 Troubleshooting Plug Pins Operates _ _ Explanation X205 Lower door latch Will accept all modes except self motor clean When oven set to self clean will not lock and self clean will not start E206 will appear aaa Tex oven No fa
15. for the E2xx codes which only apply to models with 2 cavities Diagrams referenced in the table can be found in the appropriate Service Guide CODE DESCRIPTION CAUSE ACTION E000 Wrong module combination Control module and user interface are mismatched Set Option Code properly Page 17 of 21 CODE DESCRIPTION CAUSE ACTION E003 Electronics too hot User interface exceeds 185 F 85 C E005 Communication error Loss of communication between user interface and control module Start up E009 ROM check error in user interface E010 Data memory error in user interface 1 error Check connection of all communication lines and assembly Inspect touch PCB kand akadna sensor Ee control module inputs E014 ON OFF key does not work E032 Continuous pushing of keys 10 seconds of multiple keys being pressed E101 E201 Cvt 1 Cvt 2 Temp sensor open Refer to Diagram 2 4 E104 E204 Cvt 1 Cvt 2 Temp sensor shorted Refer to Diagram 2 4 unlock bial eld EE too high part of the control module Refer to Diagram 1 E118 E218 Cvt 1 Cvt 2 Cooling fan supervision Cooling fan speed is too low error or too high Refer to Diagram 2 4 E122 Cvt 1 Probe sensor temp too high E123 Cvt 1 Probe sensor temp too low SS E state Refer to Diagram 2 4 state Refer to Diagram 2 4 212 F 100 C E309 ROM Check error in control module sss i sSCis E310 Datamemoryerrorincontrolmodule E106 E206
16. g hours Roast C45 15 me 0 Broil 60 0 Convection Bake 42 18 30 0 ess ALE i 7 Convection Roast 45 15 33 0 Thermador assumes no responsibility for any repairs made on our Convection Broil E 60 0 products by anyone other than authorized service technicians wam 1 12 x 12 i Proof 18 0 18 30 Self clean l 42 18 42 0 Find the complete product warranty statement in the Use and Care Speed Convection 60 0 60 54 0 Manual Sabbath 60 0 i8 0 2 OPER ATION CAVITY D ELEMENT DUTY CYCLE DURING PREHEAT _ BAKE ELEMENT BING ELEMENT INNER BROIL ELEMENT OUTER BROIL ELEMENT E MODE eee Port DURATION sech POINT DURATION aean Roast a5 s EE 0 2 1 Element Duty Cycles Broil 60 o Convection Bake 42 18 30 A EE Convection Roast 45 i5 33 o A new PID algorithm controls the way in which the elements cycle on True Convection EE 3 o 0 Warm 36 12 12 D and off during each cooking mode duty cycle Every minute the oven Dehydrate S l 30 0 S R temperature is compared to the set point and a recalculation occurs Self clean 48 12 48 0 S which results in varied element cycle times rather than the standard Speed Convection _ _60 0 60 0 e 0 lt 5 fixed 60 second cycle pizza so i o Maxi Rotisserie 60 0 60 0 Rotisserie 60 0 Sabbath 60 0 18 0 During preheating however a 2 point control is still used and there is a defined element on time The tables below reflect
17. il code Lower oven convection leone motor motor will not work Relay will snap closed Control functions normal When sensor opens E201 code will appear If sensor shorts E204 will appear Glass control panel is completely dead 3 position connector ground voltage data line should If no communication between electronic modules E005 will display Connector positions 1 2 should display will be on constantly doors e common Lower oven door If latch position is not detected during ft 7 latch normal operation E224 226 will be displayed Cooling fan is on constantly measure 9 6 VDC measure 5 VDC 10 WIRING DIAGRAMS AND SCHEMATICS The wire color key Table 11 and element strip diagrams Figures 22 25 are shown below For schematics please refer to the Built in Oven Service Guide Wiring Diagram which can be found on QuickFinder or in the upper oven plenum near the control module Dk Black DN Brown BU Blue DN Green Op Orange PD Pe _ BN WH Brown White BU WH Blue White OR BK Orange Black VT WH Violet White YE BK Yellow Black Table 11 Wire color key Page 19 of 21 Service Manual for Thermador Professional Series Built in Wall Ovens ELEMENT STRIP DIAGRAMS PO301 POD301 Seet Bake Element Bake Element Broil Element ELEMENT STRIP DIAGRAMS POM301 POMW301 Bake Element ELEMENT STRIP DIAGRAMS PO302 POD302 PODC302 CAVITY 1 UPPER B
18. it Signals Flashes E118 E218 Completed Incomplete Circuit Board and Shuts Unit Off Circuit Signals Flashes E118 E218 Board and Shuts Unit Off Convection Broil Broll Mode True Convection Speed Convection Mode PERRERA ELD ee ae pra ela Bese E K112 Relay K114 Relay DLB Relay K102 K202 K106 K206 K104 K204 Pern Closes o Relay Closes Closes Closes Contacts Close Relay Closes Relay Closes Relay Closes Convection Cooling Fan 120 Volts Flow AA Cooling 120 Volts Flow 120 Volts Flow 120 Volts Flow 120 Volts Flow Fan Runs Runs 120 Volts Flow from from L1 to Inner E RS from L2 to from L1 to Bake from L1 to Inner om L1 to Ring Moe ieee as L2 to Inner Broil Broil Element Broil Element Element Dakeilnner Element Broil Ring Elements J Relays K102 K202 K106 K206 and K104 K204 Alternately Open and Close Element Hall Effect Sensor Sends K106 K206 Opens and Closes Signal to Control X107 1 xX207 1 Hall Effect Sensor Sends Signal to Control X107 1 207 1 Completed Circuit Incomplete Circuit Signals Board Flashes E118 E218 Completed Incomplete Circuit and Shuts Unit Off Circuit Signals Flashes E118 E218 Board and Shuts Unit Off Page 5 of 21 Maxi Convection Broil Maxi Broil Mode Maxi Convection Broil Only Geesse 7 K112 Relay K114 Relay DLB Relay K106 Relay K107 Relay Closes Closes Contacts Closes Closes EE 7 See 4 Close Convecti
19. n Wall Ovens be used to reach the reset button located on the top center of the HTC after the latch plate has been removed 4 5 Convection Fan and Ring Element All models in the Pro Series are configured with one or more oven cavities that have both the convection fan and ring element cavity type D The lower cavity of the PODC302 has the convection fan only cavity type C and the lower cavities of the PO302 and POD302 offer strictly thermal heating cavity type A The fan may be used with or without the ring element to circulate heat evenly throughout the cavity in various cooking modes The ring element 240V 2000W and or fan blade are easily accessed on the rear wall of the oven cavity behind the convection baffle The convection fan motor is accessible only from the rear of the unit Refer to the Element Strip Diagram to test the element at the control module or 1 Remove 2 T20 screws on either side of the element terminals 2 Pull the element toward you so that terminal wires are inside the oven cavity 3 Disconnect the wires from the terminals 4 Use an ohmmeter to check for resistance of 29 ohms 4 6 Temperature Sensor Use an ohmmeter to check the resistance of the sensor Normal ranges based on cavity temperature are shown in Table 6 Page 9 of 21 TEMP F RESISTANCE 327 19 1000 4 0 752425 1091 5 3 700 3 8 1350 7 8 250 4 4 1453489 1654 10 8 1857 13 5 2047 158 27374185 26344235 26
20. nal Series Built in Wall Ovens PLUG NO PINNO FROM TO PLUG NO PIN N FROM TO Door Switch 2 Not Used N A Hall Effect Sensor 1 BU High Temperature Cutout HTC Temperature Sensor 2 BU High Temperature Cutout HTC vn LOWER CAVITY SMALL LOAD K212 Relay to Convection Fan 2 RD L2 to K217 Relay High Temperature Cutout HTC LOWER CAVITY ELEMENTS 1 BU K204 Relay to Ring Element 2 Blank N A 3 Blank N A 4 BK L1 to K204 Relay 5 BK L1 to K202 Relay 6 Blank N A 7 OR K202 Relay to Bake Element 1 RD L2 2 RD L2 to K006 DLB Relay 3 Not Used N A 4 Not Used N A 5 YE K006 DLB Relay to Broil Element X203 K004 DLB Relay to Bake Element 3 Not Used 4 BN 5 Not Used 6 BN 1 YE 2 YE 3 YE BK 4 OR BK 5 Not Used 6 VT WH 7 BN WH 1 WH 2 Not Used 3 WH N A Softlight Triac to Lights N A K217 Relay to Motorized Door Latch MDL Door Switch Latch Switch Latch Switch Latch Switch N A Door Switch Door Switch Hall Effect Sensor N A Temperature Sensor Page 14 of 21 FROM TO PODC only PLUGNO PINNO 4 RD 5 BK 6 WH POD models only Table 7 Plugs and pins on the PC control module To remove the PC Control Module 1 Disconnect all wires 2 Remove 1 T20 screw securing control module to chassis 3 Slide module to the left to release the 3 tabs on the bottom of the module bracket from the 3 slots in the chassis Always reset the oven and test after changing the control module In some c
21. ngle oven without display PO302 Double oven without display POD301 Single oven with display POD302 Deluxe double oven with display PODC302 Deluxe double oven with display and true convection in both cavities POM301 Combination oven with microwave POMW301 Triple combination oven with microwave and warming drawer 1 2 Features and Options Table 1 reflects the cavity configuration and the features available in each model Service Manual for Thermador Professional Series Built in Wall Ovens Thermador Professional Series Ovens Features by Model MODEL PO301 PO302 POD301 POD302 PODC302 POM301 POMW301 amp CAVITY CONFIG Single D Double Single D Double Double Comb Comb v v vV N A MW N A MW only only Vv u u Vv Vv v uU v v Vv V L eg Sa v u u vV vV v u vV v vV v v v v Vv v d vo V u u Vv vV v Vv v v v d u u v v v v vV y v u u y v v u d N A N A v u v N A N A v u vV N A N A vV u vV N A N A v u u N A N A v v v v v v w v v H v u u v N A it u v u u y v 10 Pass Broil Element L C L L Timer o oo N A v D v N A N A Pro Style Racks 5 2 5 5 2 2 feature included on single oven or both upper and lower if double unit Kee i al oven U feature included n Upper oven B A convection fan L feature included on lower oven E B convection element Pm feature not available because upgraded feature is included D C Max element and rotisse
22. on Cooling Fan 120 Volts Flow 120 Volts Flow Fan Runs Runs 120 Volts Flow from from L1 to from L1 to idee L2 to Inner Inner Broil Outer Broil Broil Outer Broil Element Element Elements Hall Effect Sensor Sends Relays K106 and K107 Alternately Open and Close Signal to Control X107 1 X207 1 Completed Incomplete Circuit Circuit Signals Flashes E118 E218 Board and Shuts Unit Off Maxi Rotisserie Mode ALLLLLLLLLLLL LS K121 Relay K114 Relay DLB Relay K106 Relay K107 Relay Closes Closes Contacts Closes Closes e g EE Close S Rotisserie Cooling Fan 420 Volts Flow 120 Volts Flow Motor Runs Runs 120 Volts Flow from from L1 to from L1 to SE L2 to Inner Inner Broil Outer Broil CG Broil Outer Broil Element Element YES Z No Elements Completed i Circuit door closed Signals i Board Hall Effect Sensor Sends Signal to Control Incomplete Circuit X107 1 X207 1 door open or failure Completed Incomplete Circuit Circuit Signals Flashes E118 E218 Board and Shuts Unit Off Relays K106 and K107 Alternately Open and Close Service Manual for Thermador Professional Series Built in Wall Ovens Self clean Mode K106 K206 Relay Closes K115 Relay Closes DLB Relay Contacts Close K102 K202 Relay Closes 120 Volts Flow 120 Volts Flow 120 Volts Flow from from L1 to from L1 to L2 to Bake Inner Bake Element Inner Broil Broil Elements Element Cooling Fan Runs at High Spee
23. own in Table 5 LIGHT Button Upper Oven Lower Oven Lights Lights Table 5 Double oven lighting operation Page 8 of 21 4 3 1 Replacing Lamps Use 10 watt 12 volt bi pin halogen light bulbs Part 187385 Halogen bulbs must be handled with a clean dry cloth A CAUTION Turn off power to the oven at the fuse or breaker box light socket is live with door open Be sure oven and lights are cool to the touch Handle glass lenses carefully 4 3 1 1 Side Lamps 1 Remove racks and rack support 2 Firmly push the top mounting clip up and back toward oven wall until it releases the glass cover 3 Pull the halogen bulb straight out from its socket 4 Using aclean dry cloth insert the new bulb 5 Reinsert the bottom of the glass cover smooth side out into the bottom clip and firmly push the top of the cover into the upper clip until it snaps into place 4 3 1 2 Ceiling Lamps Unscrew glass cover Pull bulb straight out of its socket Using a clean dry cloth insert the new bulb Replace the glass cover LE Ke 4 4 High Temperature Cutout HTC The HTC is a normally closed switch that will interrupt the relay supply voltage in the event of a high temperature caused by a malfunctioning control module The HTC ts located in the plenum behind and to the left of the MDL Although it cannot be easily removed or replaced a screwdriver can Service Manual for Thermador Professional Series Built i
24. rie N A feature not available MW Micrownre WO Warming Drawer Table 1 Thermador Pro Series Features by Model 1 3 Data Plate The data plate reflecting model number and FD number is located on the underside of the interface control panel as shown in Figure 1 Data plate Figure 1 Data plate Page 3 of 21 Service Manual for Thermador Professional Series Built in Wall Ovens The first 4 positions of the FD number reflect the year month the It is important to note that during regulation regular cooking period product was produced FD numbers that begin with 87 were built in that follows preheat different elements may be used and element 2007 88 2008 89 2009 etc duty cycles will vary o CAVITY A ELEMENT DUTY CYCLE DURING PREHEAT 1 4 Warranty PRENEAT MODE Leena T Toumarion S AT Tonnen E Ta START Bake 60 0 18 0 The product is warranted to be free from defects in materials and Roast 48____18__ 3 o workmanship for a period of 12 months from date of purchase ees SC CT Ser e Sabbath 60 0 18 0 Thermador will pay for all repair labor and replacement parts found to be defective due to materials and workmanship Service must be Oe oo oo provided by a Factory Authorized Service Agency during normal PREHEAT MODE DURATION sote DURATION poryr DURATION Bory DURATION soten e Bake 60 0 18 0 workin
25. t For those checks requiring the use of electrical power exercise extreme care Service Manual for Thermador Professional Series Built in Wall Ovens 4 1 Doors The doors on the double ovens are different but interchangeable The Thermador logo is located on the upper cavity door The Pro Series handles are interchangeable with the Masterpiece Series handles A CAUTION Avoid injury when removing and replacing oven doors wv Be sure oven is cool enough for handling Position hinges properly see Figure 9 Grasp only by sides not by the handle Do not force door open or closed Handle with care door weighs 38 pounds 4 1 1 Removing and Replacing the Door s To remove the door 1 Open door completely 2 Flip hinge levers back to open 3 Close door until it remains open 6 inches 4 Using both hands lift door up and out To replace the door 1 Position door as if it were open 6 inches and insert hinges into slots 2 Open door completely 3 Flip hinge levers forward to close 4 Close and open door to check operation Page 7 of 21 Figure 9 Opening left and closing right door hinges 4 2 Door Latch Motor Assembly The motorized door latch MDL mechanism 120V 5W has 2 switches the door switch and the lock unlock switch The latch will automatically lock when mode and temperature selectors are set to CLEAN and unlocks when the oven cools to 490 F It is serviced as an assem
26. ter to check for a reading of 29 ohms To clear a path for removing the bake element it is necessary to remove the vertical air channel s and disconnect wires Before proceeding note the position of the wires 4 13 1 Removing the Bake Element 1 Pull wires out of plastic purse locks attached to upper and lower vertical air channels 2 Remove upper air channel 4 T20 screws 3 Tocreate a pathway for the bake element disconnect OR wires from upper and lower bake element terminals YE from convection element terminals BU WH BU and WH from cooling fan motor 4 Drape the wires harnesses to the side so they do not block the element as it is pulled out Remove the screw between the element terminals Tuck insulation up into the oven wall as necessary While holding element terminals lift element upward to clear the outer edge of the compartment 8 Hold element on both sides and lift upward as you slide it Straight out ee 4 13 2 Reinstalling the Bake Element There are 2 tabs inside the element cavity and the front tab will prevent the element from going in all the way Use a ruler or the vertical air channel after removing plastic purse locks as a tool to guide the element back in 1 Place the tool inside the cavity on top of the tab then insert the element on top of the tool and slide it in Service Manual for Thermador Professional Series Built in Wall Ovens After the element is beyond the front tab remo
27. toneutes rostontauenseesgdesaca 7 AEN DOOS E E 7 4 1 1 Removing and Replacing the Doorte 7 4 2 Door Latch Motor Assembly naannnennennnnnnnnnnnsnennnensneenneenne 8 Ae Laps EE 8 4 3 1 Replacing AMPS osier dabeliwes 9 4 4 High Temperature Cutout HTC 9 4 5 Convection Fan and Ring Element 9 4 6 Temperature Gensor sarriena 9 4 6 1 Setting Temperature Offsets ccecccseseeeeeseeeeeeeeeees 10 4 7 _ Broil EIOMONt S EE 10 AG EE ENEE ee 10 4 8 1 Removing the User Interface 0 ennnenneneenneenneeeeneene 11 4 9 Ge Ee te Re e TEE 12 4 10 Power Supply Module 15 4 11 Halogen Light Transtormerts 15 4 12 Convection Fan Motor 15 4 13 Bake Element Upper Oven 16 4 13 1 Removing the Bake Element 16 4 13 2 Reinstalling the Bake Element 16 4 14 Cooling Fan Motor Upper Oven ccceccsseeeeeeeeeeeees 16 4 15 Rotisserie Motor 17 5 EFRON GOGCS caii a a aE 17 Page 2 of 21 1 GENERAL O aaa There are 7 models in the 2007 Thermador Professional Built in Wall Oven BIWO Series A C and D oven cavities are utilized and combination models include a built in variation of the WD30 warming drawer and or an MCE convection microwave A user interface with stainless steel knobs and analog clock fast preheat 2 hour self clean a 12 pass broil element and a heavy duty rotisserie are among the features offered The control panel and door skins are grade 304 stainless steel 1 1 Models PO301 Si
28. ve the tool Complete the installation Replace the plastic purse locks clips if they were removed from the vertical air channel bt ba 4 14 Cooling Fan Motor Upper Oven Each 2 speed cooling fan 120V 28 41W has 3 terminals high speed low speed and neutral and a Hall effect sensor There is tape around the motor windings and the terminals are labeled N H and L for reference as shown in Figure 18 Figure 18 Tape on cooling fan windings marked to designate terminals lf the Hall effect sensor does not detect fan rotation an error will display To test the upper fan at the control module check voltage across X105 Pin 3 or 4 and neutral 1 Remove 3 T20 screws securing the fan to the mounting bracket 2 Remove 3 T20 screws securing the bracket to the oven housing 3 Slide bracket up and out to release it from the 2 tabs holding it in position d Remove 3 T20 screws from the right side of the unit s top panel 5 Lift the right corner of the top panel and remove the fan motor Page 16 of 21 4 15 Rotisserie Motor If the rotisserie does not turn with the door closed and the oven ina rotisserie mode replace the rotisserie motor 120V 12W The maximum weight allowed on the rotisserie spit is 12 lbs 5 ERROR CODES A Service Guide with error code information wiring diagrams and instructions for entering Service Mode if applicable is packed with every unit Find it on the underside of the
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