Dacor MORS136 Service Manual Download

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Renaissance Wall Oven

Service Guide

Models: EORS127, EORS130, EORS227, EORS230, EORD227, EORD230, MORS127,

MORS130, MORS136, MORS227, MORS230, MORD227, MORD230

The Life of the Kitchen.

Part No. 106075 Rev. D

www.Appliantology.org

Summary of Contents for MORS136

Page 1: ...sance Wall Oven Service Guide Models EORS127 EORS130 EORS227 EORS230 EORD227 EORD230 MORS127 MORS130 MORS136 MORS227 MORS230 MORD227 MORD230 The Life of the Kitchen Part No 106075 Rev D www Appliantology org ...

Page 2: ...Specifications subject to change without notice Dacor assumes no liability for changes to specifications 2008 Dacor all rights reserved Dacor Technical Assistance 800 353 2267 www Appliantology org ...

Page 3: ...3 Quick Diagnostic Test 5 Renaissance Wall Oven Quick ERC Diagnostic Test 5 Test for Upper and Single Ovens 5 Test for Lower Double Ovens 6 Section 4 Troubleshooting Charts 7 Voltage and Continuity 7 Membrane Continuity Test 13 Section 5 EOR MOR Wall Oven Error Codes 14 Section 6 Temperature Offset Calibration Instructions 16 Entering Calibration Mode 16 Calibrating Additional Modes 16 Section 7 W...

Page 4: ...Dacor Renaissance Wall Oven Service Guide vi This page intentionally left blank www Appliantology org ...

Page 5: ... not install a fuse in the neutral or ground circuit during installation A fuse in the neutral or ground circuit may result in an electrical shock hazard Do not install this appliance if the electrical service provided does not meet the product specifications on the model and serial number plate see page 3 The electrical service must be installed or changed only by a licensed electrician Do not op...

Page 6: ... The oven automatically locks the oven door during self cleaning Do not try to force the door open after it is locked Damage to the door and the door latch may result Before self cleaning the oven remove the broiler pan grill and pan oven racks convection filter meat probe and any other utensils Use only the cleaning solutions specified in the use and care manual to clean the inside or outside of ...

Page 7: ...vd Suite 1000 Costa Mesa CA 92626 Model and Serial Number Finding the Appliance Data Plate It can be seen through the grill located below the control panel Open the door to expose the grill On double ovens the plate is located behind the top grill Reading the Serial Number X XX 05310026 Product Code V WALL OVEN Unit number Revision Week of Manufacture Year of Manufacture www Appliantology org ...

Page 8: ...e Epicure Renaissance Oven EOR Millennia Renaissance Oven MOR Configuration Single Oven S Double Oven D Width 27 Inch 27 30 Inch 30 Trim Finish Options Epicure Stainless Steel Chrome Trim SCH Black Handle Black Trim B Black Handle Stainless Trim BK Millennia Stainless Steel S www Appliantology org ...

Page 9: ... oven door and press SELF CLEAN START Check door is locked once lock icon comes on solid on display and element start cycling 9 Door latch motor disengaged Press CANCEL SECURE to cancel SELF CLEAN Check door is unlocked once lock icon disappears from display 10 Meat probe operation Insert meat probe connector and place meat probe on top of bake element Press BAKE PROBE START Verify PRB icon lit on...

Page 10: ...on element and convection fan Press PURE CONV for lower oven 2 0 0 START When the convection element is ON measure Approx 9 10 amps are drawn Verify operation of convection fan If OK press CANCEL SECURE key 20 Door latch motor engaged Close lower oven door and press SELF CLEAN key for lower oven then START Check door is locked once lock icon comes on solid on display and element start cycling 21 D...

Page 11: ...the relay board 11 If by replacing relay board problem is not fixed replace the display board as last resort No elements cycling in ALL modes 1 Make sure that the display lights up If not see No Clock Display above 2 Turn OFF power check continuity of Hi Limit Switch If no continuity press Hi Limit reset button Turn ON power and rerun different modes to test if all elements turn ON properly 3 If s...

Page 12: ...into preheat Once oven goes into preheat test these point of the faulty cell using voltmeter The voltages should follow the preheat cycling pattern 3 Check upper or single bake K7 L2 OUT1 BAKE 1 P19 Check upper BAKE ON and OFF time 4 Check lower bake K4 L2 OUT2 BAKE 2 P24 Check lower BAKE ON and OFF time 5 If the oven is in preheat and there is no activity and no cycling indicated by voltmeter the...

Page 13: ...gh check for continuity of the wires of the faulty cell 10 Check upper single broil wire BROIL 1 P15 to upper broil element terminal upper single 11 Check lower broil wire BROIL 2 P18 to lower broil element terminal 12 To check upper single broil K7 L2 OUT1 to the other upper broil element terminal upper single 13 To check lower broil K4 L2 OUT2 to the other lower broil element terminal 14 If cont...

Page 14: ...If it is not near 25 ohms replace convection element Convection Fan does not run during Preheat Conv Bake Conv Broil Conv Roast 1 Start with a cold oven and run any modes that will turn on the Convection fan e g Preheat Pure Convection Convection Bake etc If the fan does not run check across the following test points on faulty cell 2 Check upper single convection fan Neutral to P11 pin 3 120 VAC u...

Page 15: ...al P11 Pin 8 approximately 18 ohms 9 If resistance is high check continuity on the following wires 10 Check upper single cooling fan P11 Pin 2 to one terminal of the upper cooling fan 11 Check lower cooling fan P11 Pin 8 to one terminal of the lower cooling fan 12 Make sure other end of the cooling fan wiring is connected to Neutral If properly connected change the wire or connector or the termina...

Page 16: ...n the following test points 2 Connector P11 wire 4 to Neutral power output to light transformer 120VAC If no voltage replace relay board 3 If voltage is present check output voltage of light transformer If no voltage replace light transformer 4 If transformer voltage OK Check wire 8 10 right oven light 12V and 6 8 wire left oven light 12V No heat in any cooking mode 1 Check across test points 2 Ch...

Page 17: ... CANCEL 8 5 2 CONVECTION BAKE 12 1 16 OVEN LIGHT 3 5 3 BAKE 10 1 17 START 7 5 4 START TIME 8 1 18 POUND SIGN 2 5 5 CONVECTION BROIL 12 9 19 NUMBER 1 3 1 6 BROIL 10 9 20 NUMBER 2 1 2 7 DURATION 8 9 21 NUMBER 3 4 1 8 CLOCK 7 9 22 NUMBER 4 3 9 9 PURE CONVECTION 12 11 23 NUMBER 5 2 9 10 PROBE 10 11 24 NUMBER 6 4 9 11 STOP TIME 8 11 25 NUMBER 7 3 11 12 TIMER 1 7 1 26 NUMBER 8 2 11 13 TIMER 2 11 7 27 NU...

Page 18: ...Ambient Temperature probe open N A No Relay board open thermistor detected C35 Ambient Temperature probe shorted N A No Relay board shorted thermistor detected C41 A D Reference Readings N A No Safety check to insure the RTD oven temperatures are correct C42 E2 Checksum Failure on Control board N A Yes Calculated E2 checksum does not agree with the stored E2 checksum C43 Wire Connection Error at C...

Page 19: ...atures above the maximum bounds U30 L30 Open RTD N A No Fatal Error Continuous A D values over maximum bounds U31 L31 Shorted RTD N A No Fatal Error Continuous A D values over minimum bounds U41 L41 A D Reference Readings N A No Controller failure U50 L50 Latch Lock Failure N A N A Fatal Error The door lock is not detected while locking the door U51 L51 Latch Phase Failure N A N A Fatal Error The ...

Page 20: ... the number keypad enter the new calibration offset for example 25 Using the number keypad press to toggle between and Press the START key This will lock the calibration Press the CANCEL SECURE key to complete procedure Calibrating Additional Modes 5 Without pressing CANCEL SECURE to complete repeat step 4 and select new mode for example PURE CONV 6 Using the number keypad enter the new calibratio...

Page 21: ...Section 7 Wiring Diagrams Page 17 Section 7 Wiring Diagrams www Appliantology org ...

Page 22: ...Dacor Renaissance Wall Oven Service Guide Page 18 www Appliantology org ...

Page 23: ...Section 7 Wiring Diagrams Page 19 www Appliantology org ...

Page 24: ...The Life of the Kitchen www Appliantology org ...

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