Blue Seal E9311 Service Manual
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Blue Seal E9311 Service Manual

Blue Seal E9311 Service Manual

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E9311 CONVECTION
OVEN RANGE
SERVICE
MANUAL
®
Convection Oven
© Moffat Ltd, April 2005
-1-
Revision 4/F3544

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Summary of Contents for Blue Seal E9311

  • Page 1 E9311 CONVECTION OVEN RANGE SERVICE MANUAL ® Convection Oven © Moffat Ltd, April 2005 Revision 4/F3544...
  • Page 2 WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. Convection Oven © Moffat Ltd, April 2005 Revision 4/F3544...

  • Page 3: Table Of Contents

    CONTENTS This manual is designed to take a more in depth look at the E9311 convection oven range for the purpose of making the unit more understandable to service people. There are settings explained in this manual that should never require to be adjusted, but for completeness and those special cases where these settings are required to change, this manual gives a full explanation as to how, and what effects will result.
  • Page 4 Convection Oven © Moffat Ltd, April 2005 Revision 4/F3544...

  • Page 5: Specifications

    1. SPECIFICATIONS MODEL: E9311 796.5 56.5 ELECTRICAL ENTRY ELECTRICAL ENTRY FRONT SIDE PLAN LEGEND - Electrical connection entry point Dimensions shown in millimetres. Dimensions in inches shown in brackets. Convection Oven © Moffat Ltd, April 2005 Revision 4/F3544...
  • Page 6 LOCATION To ensure correct ventilation for the motor and controls the following minimum installation clearances are to be adhered to: Rear 25mm / 1” Left-hand side 75mm / 3” Right-hand side 25mm / 1” OVEN INTERNAL DIMENSIONS Width 544 mm / 21.4” Height 418 mm / 16.5”...

  • Page 7: Installation

    Oven ELECTRICAL CONNECTION—OVEN 230-240 V AC, 50 Hz, 13.0 A, 3.1kW @ 240 V E9311 convection ovens are supplied with pre-fitted cords. Ensure unit is fitted with the correct cord and plug for the installation. 230-240 V AC, 50 Hz, 13.0 A, 6.5kW @ 240 V Refer specifications section.
  • Page 8 The rating plate for the hob is located on the left side of the hob back panel. DOOR HANDLE INSTALLATION Hob Rating Plate 1) Open oven door. 2) Remove two screws (item 2). 3) Remove the two screws (item 3) from the handle (item 1).

  • Page 9: Operation

    3. OPERATION NOTE: A full user’s operation manual is supplied with the product and can be used for further referencing of installation, operation and service. 3.1 OVEN 1. POWER Depress to switch power on or off (switch illuminates when power is on). 2.
  • Page 10 DISC ELEMENTS 3.2 COOK TOP (HOB) Before using for the first time, heat the ele- ment on HI for three minutes. This will pro- IMPORTANT: DO NOT PLACE HOT duce some smoke which will soon disappear. COOKING VESSELS ON CONTROL With continued use the "red spot"...

  • Page 11: Explanation Of Control System

    SYSTEM rear of the unit. Although the power relay has two poles with changeover contacts, only the The E9311 Turbofan convection oven range normally closed contact on one pole is used - features multi-function operator controls for the other is redundant. When the power...
  • Page 12 temperature at the end of a timed cooking thermostat. At this point the temperature period. control is now maintained by the hold thermostat as previously described. To From serial number 232054: When the cancel the hold circuit the Roast-and-Hold Roast-and-Hold switch is turned On the switch switch is turned Off.

  • Page 13: Maintenance

    4. MAINTENANCE WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. 4.1 CLEANING OVEN SEALS To remove, hold at their centre point and pull forward until they unclip. Remove side WARNING: ALWAYS TURN THE seals first, then top and bottom.

  • Page 14: Routine Procedures

    4.2 ROUTINE PROCEDURES PROCEDURE INTERVAL DOOR SEALS Check for deterioration. 12 months DOOR PIVOT BUSHES Check for wear. 12 months DOOR CATCH Ensure that catch is adjusted such that the door closes 12 months properly. ELEMENTS Check that element resistances are correct to their rating 12 months (refer 6.3.11) Convection Oven...

  • Page 15: Trouble Shooting Guide

    5. TROUBLE SHOOTING WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. 5.1 OVEN FAULT POSSIBLE CAUSE REMEDY THE OVEN DOES NOT The mains isolating switch on Turn on. OPERATE / START the wall, circuit breaker or fuses are “off”...
  • Page 16 FAULT POSSIBLE CAUSE REMEDY 60 MINUTE TIMER NO TIME Zero (time up) position not set (Refer service section 6.4.5) UP BUZZER correctly. Buzzer faulty. Replace. (Refer fault diagnosis 6.1.5) (Refer service section 6.3.6) 60 MINUTE TIMER NO TIME Timer not switching on buzzer. Replace.
  • Page 17 FAULT POSSIBLE CAUSE REMEDY ROAST TIMER (180 MINUTE) Roast ’n’ Hold switch not Depress switch. Switch will WILL NOT TIME DOWN depressed. illuminate. No power to timer / timer faulty. Correct electrical fault / replace timer. (Refer fault diagnosis 6.1.15) (Refer service section 6.3.8) ‘Roast ‘n Hold’...

  • Page 18: Hob

    5.2 HOB FAULT POSSIBLE CAUSE REMEDY THE HOB DOES NOT The mains isolating switch on Turn on. OPERATE / START the wall, circuit breaker or fuses are “off” at the power board. The fuses at the rear of the hob Replace fuse link.

  • Page 19: Service Procedures

    6. SERVICE PROCEDURES WARNING: ENSURE POWER SUPPLY IS SWITCHED OFF BEFORE SERVICING. WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. SECTION PAGE NO. 6.1 FAULT DIAGNOSIS......................21 6.1.1 Oven Does Not Operate / Start................21 6.1.2 Fan Does Not Operate..................21 6.1.3...

  • Page 20: 6.4 Adjustment / Calibration

    6.3.14 Fan........................30 6.3.15 Motor........................31 6.3.16 Outer Glass......................31 6.3.17 Inner Glass......................32 6.3.18 Inner Glass Seal....................32 6.3.19 Door Seals......................32 6.3.20 Door Pivot Bushes....................32 6.3.21 Cook Top Fuses....................32 6.3.22 Hob Elements.......................33 6.3.23 Hob Energy Regulators..................33 6.3.24 Hob Indicator Light....................33 6.3.25 Hob Centre Securing Stud...................33 6.4 ADJUSTMENT / CALIBRATION..................34 6.4.1 Thermostat Calibration..................34...

  • Page 21: Fault Diagnosis

    Fan motor faulty 6.1 FAULT DIAGNOSIS Check the supply voltage across motor terminals. If there is no voltage then check 6.1.1 OVEN DOES NOT OPERATE / START the electrical connections of supply wiring. If voltage is correct then check the oven fan Incorrect electrical supply for free rotation.

  • Page 22: Minute Timer No Time Up Buzzer

    Ensure that the power switch on the unit is 6.1.5 60 MINUTE TIMER NO TIME UP turned on, and check for voltage at terminal 4 BUZZER of the power relay. If there is no voltage at 4 then check that the relay is energised (i.e. Buzzer faulty voltage between terminals A and B.

  • Page 23: No Temperature Control

    6.1.10 BOTTOM ELEMENT NOT WORKING Terminal A1 Element faulty (blown) Terminal 21 Contact With the thermostat on and heating check Indicator voltage across bottom element terminals at Terminal 22 rear of oven. If the voltage is correct then check the current draw of element. If there is Terminal A2 no current draw then element is faulty—...

  • Page 24: Grill Not Working

    From Serial Number 232054: 6.1.13 GRILL NOT WORKING If no voltage at terminal 4, check the relay Element faulty / blown behind the control panel is energised (i.e. With thermostat in grill or broil position (fully voltage across terminals A and B). If there clockwise), check that the grill indicator on the is no voltage then check wiring from the control panel indicates.

  • Page 25: Holding Temperature Incorrect

    6.1.17 HOLDING TEMPERATURE 6.1.19 HOB HEAT NOT CONTROLLED INCORRECT CORRECTLY Energy regulator faulty Hold thermostat faulty Ensure that the energy regulator fitted is With the power switch on and illuminated, correct type: NZC Model TC108 15A 240V ac. ‘Roast ‘n Hold’ switch on and illuminated, and Check voltage to terminal 5.

  • Page 26: Access

    6.2 ACCESS 6.2.3 BAFFLE 1) Remove trays, racks, element cover and left hand side rack. 6.2.1 CONTROL PANEL 2) Undo lamp cover. 1) Open the oven door. Remove the micro-switch button by pulling straight off. Lamp Cover 2) Undo the two screws now visible. Microswitch Button Side...

  • Page 27: Replacement

    6.3 REPLACEMENT 6.2.5 HOB (COOK TOP) 1) Remove the nine screws securing the hob back panel to the unit. 6.3.1 LIGHT BULB / GLASS 1) Unscrew lamp cover. Hob Back Panel Lamp Cover Figure 6.3.1 Figure 6.2.6 2) Unscrew bulb out of fitting. 2) Remove both fuses.

  • Page 28: Power / Roast / Lights Switches

    6.3.6 BUZZER Neon 1) Remove control panel (refer 6.2.1). Wires 2) Remove two screws holding buzzer bracket to panel. Two Screws Figure 6.3.3 2) From back push neon through front of panel rotating clockwise. 3) Push new neon in from front of panel, and reconnect wires.

  • Page 29: Roast Timer

    5) Withdraw old thermostat phial through 6.3.8 ROAST TIMER rear of oven. 1) Remove roast timer knob by pulling it 6) Remove fibreglass sleeve from old firmly away from control panel. thermostat and fit it to replacement 2) Open control panel (refer 6.2.1) and undo thermostat.

  • Page 30: Hold Relay (From S/N 232054)

    4) Withdraw old thermostat phial through 6.3.13 ELEMENTS rear of oven. 1) With service panel and baffle removed 5) Insert new thermostat. (refer 6.2.2 and 6.2.3) remove the wires 6) Re-assemble in reverse order. from the element(s). 2) Unscrew the element from inside the oven.

  • Page 31: Motor

    3) Remove LH screw whilst supporting the 6.3.15 MOTOR door. Lift bracket and remove door from 1) Remove fan (refer 6.3.15) and then oven. remove the wires that go to the motor. 2) Undo the four screws holding the motor bracket in place (from the outside) and remove motor assembly.

  • Page 32: Inner Glass

    6.3.17 INNER GLASS 6.3.20 DOOR PIVOT BUSHES 1) Remove the outer glass as above. 1) Remove door as per steps one to three of section 6.3.16. Uncrimp the retaining lugs of the window spacer and remove the spacer and glass. 2) Door bushes can now be removed and replaced.

  • Page 33: Hob Elements

    6.3.22 HOB ELEMENTS 6.3.24 HOB INDICATOR LIGHT 1) Remove hob (refer 6.2.5) and the hob 1) Remove hob (refer 6.2.5) and hob base base panel (refer 6.2.6). panel (refer 6.2.6). 2) Remove wires from element, noting their 2) Remove wires from back of indicator. positions (refer electrical wiring diagram 3) From bottom, push indicator through top 8.2).

  • Page 34: Adjustment / Calibration

    Thermostat 6.4 ADJUSTMENT / CALIBRATION 6.4.1 THERMOSTAT CALIBRATION OVEN IMPORTANT: TEMPERATURE NEEDS INCREASED, ENSURE THAT THERMOSTAT IS IN THE ‘OFF’ POSITION BEFORE CARRYING OUT ADJUSTMENT. Figure 6.4.3 IF OVEN TEMPERATURE NEEDS TO BE 5) Carefully remove two screws holding grill/ DECREASED, ENSURE THERMOSTAT IS broil switch to thermostat.

  • Page 35: Door Microswitch Adjustment

    6.4.2 DOOR MICROSWITCH ADJUSTMENT 6.4.4 HOLD TEMPERATURE ADJUSTMENT 1) Open oven door. 1) The hold temperature of the oven can be adjusted by turning the hold thermostat 2) Remove service panel (refer 6.2.2). dial to the desired hold temperature. This 3) With fingers, bend actuator arm of dial is located inside the control panel.

  • Page 36: Electrical Schematics

    7. ELECTRICAL CIRCUIT SCHEMATICS From Serial Number 232054 Convection Oven © Moffat Ltd, April 2005 -36- Revision 4/F3544...
  • Page 37 To Serial Number 232053 Convection Oven © Moffat Ltd, April 2005 -37- Revision 4/F3544...

  • Page 38: Electrical Wiring Diagrams

    8. ELECTRICAL WIRING DIAGRAMS 8.1 OVEN From Serial Number 232054 Convection Oven © Moffat Ltd, April 2005 -38- Revision 4/F3544...
  • Page 39 To Serial Number 232053 Convection Oven © Moffat Ltd, April 2005 -39- Revision 4/F3544...
  • Page 40 8.2 COOK TOP (HOB) Convection Oven © Moffat Ltd, April 2005 -40- Revision 4/F3544...

  • Page 41: Hob

    9. SPARE PARTS PART NO DESCRIPTION 002888 Element Dia 160mm (1500W) 002920 Element Dia 180mm (2000W) 003056 Energy Regulator 002754 Indicator Light 003047 Knob 003049 Knob Clip 002621 Fuse Holder—15 Amp CONTROLS—OVEN 021473 Switch - Power 024562 Power Relay (From S/N 232054) 024563 Power Relay Upgrade Kit (To S/N 232053) 017121 Thermostat...

  • Page 42: Accessories / Options

    10. ACCESSORIES OVEN RACKS (PART NO 23254) SCONE TRAYS (PART NO 02083) Convection Oven © Moffat Ltd, April 2005 -42- Revision 4/F3544...

  • Page 43: Parts Diagram

    11. PARTS DIAGRAMS 11.1 OVEN MAIN ASSEMBLY Convection Oven © Moffat Ltd, April 2005 -43- Revision 4/F3544...
  • Page 44 Pos Part No. Description 1 023242 WRAPPER 2 090414 INSULATION 3 023276 COVER PANEL 023277 COVER PANEL PLATE 5 011412 MICROSWITCH BRACKET 6 011389 MICROSWITCH INSULATOR 7 002990 MICROSWITCH 8 003012 ACTUATOR 011410 MICROSWITCH BUTTON (NOT ILLUSTRATED) 9 023275 VENT TUBE 003016 MOTOR MOUNTING PLATE...
  • Page 45 50 ---------- CONTROL ASSEMBLY (SEE SECTION 11.2) 51 023616 BOTTOM TRIM 52 013610 DOOR BUSH (ALSO USED ON CONTROL PANEL PIVOT) 023245 PIVOT SUPPORT - BOTTOM ASSEMBLY 023263 DOOR INNER GLASS 090200 SILICON EXTRUSION - 1.90M 004876 DOOR GLASS CLAMP ANGLE 023264 DOOR OUTER GLASS 090225...
  • Page 46 BALL CATCH & LOCKNUT 021442 TIMER MOUNTING PANEL 12 011794 BUZZER 021537 BUZZER MOUNTING BRACKET 14 004873 CONTROL PANEL BAKBAR °C 004872 CONTROL PANEL BLUE SEAL °C 004729 CONTROL PANEL MOFFAT °F 15 013610 DOOR BUSH 021474 LIGHT SWITCH 020823...

  • Page 47: Service Contacts

    11. SERVICE CONTACTS AUSTRALIA VICTORIA - MOFFAT PTY HEAD OFFICE AND MAIN WAREHOUSE 740 Springvale Road Tel (03) 9518 3888 Mulgrave VIC 3170 Fax (03) 9518 3838 Spare Parts Department Free Call 1800 337 963 Fax (03) 9518 3895 NEW SOUTH WALES - MOFFAT PTY Unit 8/142 James Ruse Drive Rosehill NSW 2142...
  • Page 48 UNITED KINGDOM BLUESEAL Units 6-7 Mount St Tel 0121-327 5575 Business Park Fax 0121-327 9711 Birmingham B7 5QU England UNITED STATES OF AMERICA MOFFAT INC. 3765 Champion Blvd Winston-Salem Tel 1-800-551 8795 NC27115 Fax 336 661 9546 NATIONAL COVERAGE FOR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 551 8795 (USA ONLY) Convection Oven ©...

  • Page 49: Appendix A. Power Relay Upgrade Kit

    APPENDIX A. POWER RELAY UPGRADE KIT Kit (part no. 024563) includes: x Power relay Screw - 8 x truss 160mm black wire 180mm red wire 950mm red wire x 1050mm red wire Assembly Instructions: (THE ELECTRICAL SUPPLY MUST BE DISCONNECTED) 1) Remove the rear service panel.
  • Page 50 Circuit schematic (new wires shown in bold): Figure 3 Utensils Direct 0845 873 6600 01903 823888 www.utensilsdirect.co.uk Convection Oven -50- Revision 4/F3544...

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