Blue Seal E1100 Service Manual
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Blue Seal E1100 Service Manual

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E1100 ELECTRIC

CONVECTION OVEN

SERVICE MANUAL
Revision 4/F3591
© Moffat Ltd, August 2004
-1-

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Summary of Contents for Blue Seal E1100

  • Page 1: Convection Oven

    E1100 ELECTRIC CONVECTION OVEN SERVICE MANUAL Revision 4/F3591 © Moffat Ltd, August 2004...
  • Page 2 WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. Revision 4/F3591 © Moffat Ltd, August 2004...

  • Page 3: Table Of Contents

    CONTENTS This manual is designed to take a more in depth look at the E1100 electric convection oven 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 Revision 4/F3591 © Moffat Ltd, August 2004...

  • Page 5: Specifications

    1. SPECIFICATIONS MODEL: E1100 1005 WATER ENTRY ELECTRICAL ENTRY FRONT SIDE PLAN LEGEND - Electrical connection entry point - Water entry - ¾” BSP hose connection Dimensions shown in millimetres. Revision 4/F3591 © Moffat Ltd, August 2004...
  • Page 6 MODEL: E1100-2 1005 WATER ENTRY ELECTRICAL ENTRY FRONT SIDE PLAN LEGEND - Electrical connection entry point - Water entry - ¾” BSP hose connection Dimensions shown in millimetres. Revision 4/F3591 © Moffat Ltd, August 2004...
  • Page 7 LOCATION The following minimum clearances for air openings, servicing, operation and installation are to be adhered to: Rear 100 mm Left-hand side 100 mm Right-hand side 300 mm OVEN INTERNAL DIMENSIONS Width 730 mm Height 490 mm Depth 600 mm Oven Volume 0.21 m³...

  • Page 8: Installation

    ELECTRICAL CONNECTION yet. Position leg tray (flat side facing up) This E1100 convection oven can be supplied between legs and secure with the 4 screws as a single or twin deck unit. Check that the provided, then tighten all leg bolts. Level the available power supply is correct to that oven by adjusting the feet.
  • Page 9 RATING PLATE LOCATION The rating plate for the E1100 convection oven is located at the bottom left of the right hand side panel. An internal rating plate is located behind the control panel on the LH side (Units manufactured from July 2002).

  • Page 10: 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 DESCRIPTION OF CONTROLS 1. POWER SWITCH Turn on to switch power on or off (indicator illuminates when power is on).

  • Page 11: Explanation Of Control System

    With the power when the elements are on and the oven is switch Off all functions of the oven are heating. inoperable. The E1100 Turbofan convection oven has 9.9 With power switch (indicator...
  • Page 12 When the 3 hour timer has run down and reached the Hold position the two switch contacts change over to their normally closed position which isolates power from the timer motor and the oven thermostat. It also switches power back to the oven hold thermostat.

  • Page 13: Maintenance

    4. MAINTENANCE WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. 4.1 CLEANING 4.2 ROUTINE PROCEDURES WARNING: ALWAYS TURN THE The following procedures should be carried POWER SUPPLY OFF BEFORE out at least once a year. CLEANING.

  • Page 14: Trouble Shooting Guide

    5. TROUBLE SHOOTING WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. 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 15 FAULT POSSIBLE CAUSE REMEDY OVEN LIGHT NOT Blown bulb. Replace. ILLUMINATING (Refer service section 6.3.10) Light switch faulty. Replace. (Refer fault diagnosis 6.1.5) (Refer service section 6.3.2) NO WATER INJECTION / Water not turned on. Turn water on at water supply. STEAM Oven water nozzle blocked.
  • Page 16 FAULT POSSIBLE CAUSE REMEDY SLOW RECOVERY Oven in ‘Roast ‘n Hold’ mode. Switch off ‘Roast ‘n Hold’. Overloading of oven. Reduce oven loading. Fan not working. Check fan operation. One or more elements are Replace element. faulty. (Refer service section 6.3.13) Thermostat out of calibration.

  • Page 17: 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. FAULT DIAGNOSIS ......................19 6.1.1 Oven Does Not Operate / Start................19 6.1.2 Fan Does Not Operate..................19 6.1.3...

  • Page 18: 6.4 Adjustment / Calibration

    6.3.19 Door Ball Catch....................28 6.3.20 Door Linkage Chain Assembly ................28 6.3.21 Door Assembly.....................29 6.3.22 Top Bearing Channel ...................29 ADJUSTMENT / CALIBRATION ..................30 6.4.1 Door Chain ......................30 6.4.2 Door Ball Catch....................30 6.4.3 Thermostat Calibration..................30 6.4.4 Hold Temperature Adjustment ................31 6.4.5 60 Minute Timer Zero Position Adjustment............31 6.4.6 Door Microswitch Adjustment ................31 Revision 4/F3591...

  • Page 19: Fault Diagnosis

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

  • Page 20: Oven Lights Not Illuminating

    6.1.5 OVEN LIGHTS NOT ILLUMINATING 6.1.7 CONTINUOUS WATER OUT OF OVEN WATER NOZZLE Light switch faulty Water solenoid electrical fault Check voltage to the left hand terminal of the With control panel steam switch switch. If there is no voltage, then check depressed, check for power supply across wiring.

  • Page 21: Roast Timer (180 Minute) Will Not Time Down

    thermostat on and off cycle. The thermostat ‘Roast ‘n Hold’ switch faulty should cycle on and off between 165°C and Check if the switch latches. If the switch does 195°C when set to the above temperature. If not latch then the switch is faulty—replace. oven temperature is outside these ranges, With the switch latched, check voltage to then the thermostat requires recalibration.

  • Page 22: Access

    6.2 ACCESS 6.2.4 RIGHT HAND SIDE PANEL 1) Remove the four screws along the top, 6.2.1 CONTROL PANEL four screws along the bottom, and the four screws from the rear of the right hand side 1) Undo the screw on the left hand side of panel.

  • Page 23: Replacement

    6.3 REPLACEMENT 6.2.6 CONTROL PANEL—REAR 6.3.1 POWER / ROAST SWITCHES 1) Open the control panel (refer 6.2.1). Power Indicator 2) Disconnect the wires from the faulty switch. Power Switch 3) Press in the locking tabs at top and bottom of the switch and from rear push switch through front of control panel.

  • Page 24: Power / Heating Indicators

    3) Press in the locking tabs at top and bottom 3) Remove the two screws securing the of the indicator and from rear push thermostat phial mounting bracket to the indicator through front of control panel. RH wall of the oven. Feed the thermostat phial through into the control cavity.

  • Page 25: Buzzer

    5) Remove the two screws securing the thermostat phial mounting bracket to the RH wall of the oven. Feed the thermostat phial through into the control cavity. Locking Nut Thermostat bulb Figure 6.3.8 4) Transfer wires to the new timer and reassemble in reverse order.

  • Page 26: Contactor

    NOTE: The correct resistance of each E1100 element is 16 ohms ± 5%. 6.3.12 CONTACTOR 1) Remove R/H side panel (refer 6.2.4). 6.3.14 WATER INJECTION NOZZLE 2) Disconnect wires from the contactor (noting their positions).

  • Page 27: Water Solenoid Valve

    6.3.15 WATER SOLENOID VALVE 6.3.16 WATER SOLENOID CLEANING 1) Remove water solenoid (refer 6.3.20). 1) Ensure water supply is turned off. 2) Remove the two screws securing the 2) Remove the water injection nozzle from bracket to the solenoid. inside the oven (refer 6.3.19). 3) Remove the water solenoid access panel at the rear of the oven (4 screws).

  • Page 28: Door Glass

    3) Undo the two screws securing the Ball microswitch to the microswitch bracket. catch 4) Replace and reassemble in reverse order. 5) Adjust microswitch (refer 6.4.7) 6.3.18 DOOR GLASS Figure 6.4.27 1) Open the oven doors. 2) Remove the screws on the sides, top and Locknut bottom edges of the door with the broken glass.

  • Page 29: Door Assembly

    3) Remove the door chain assembly and 6) Undo the two screws securing the bottom replace the broken component. pivot plate. 4) Reassemble in reverse order. 5) Adjust chain such that the oven doors close correctly (refer 6.4.1) 6.3.21 DOOR ASSEMBLY 1) Remove the bottom lintel (refer section 6.2.5).

  • Page 30: Adjustment / Calibration

    6.4 ADJUSTMENT / CALIBRATION 6.4.3 THERMOSTAT CALIBRATION IMPORTANT: OVEN 6.4.1 DOOR CHAIN TEMPERATURE NEEDS INCREASED, ENSURE THAT 1) Remove the bottom lintel (refer 6.2.5). THERMOSTAT IS IN THE ‘OFF’ POSITION BEFORE CARRYING OUT ADJUSTMENT. 2) Loosen the two locknuts on each of the IF OVEN TEMPERATURE NEEDS TO BE turnbuckles.

  • Page 31: Hold Temperature Adjustment

    6.4.5 60 MINUTE TIMER ZERO POSITION Screws ADJUSTMENT 1) Remove 60 minute timer knob by pulling it firmly away from control panel. Fan Switch 2) Open control panel (refer 6.2.1). Loosen two screws on control panel holding 60 minute timer. Figure 6.4.5 6) Adjust the calibration nut located at the base of the thermostat shaft.

  • Page 32: Circuit Schematic

    7. CIRCUIT SCHEMATIC Revision 4/F3591 © Moffat Ltd, August 2004 -32-...

  • Page 33: Electrical Wiring Diagram

    8. ELECTRICAL WIRING DIAGRAM Revision 4/F3591 © Moffat Ltd, August 2004 -33-...

  • Page 34: Spare Parts

    9. SPARE PARTS PART NO. NAME ELECTRICAL 013521 Oven Lamp Bulb 003002 Oven Lamp Glass 017960 010148 Motor (50Hz) 025762 Motor (60Hz) 011987 Oven Thermostat 015563 - Knob 011760 60 Minute Timer 015560 - Knob 011419 3 Hour Timer (50Hz) 011983 3 Hour Timer (60Hz) 015567...

  • Page 35: Parts Diagrams

    10. PARTS DIAGRAMS 10.1 MAIN ASSEMBLY Part No. Description 012229 Top cover 017959 LH side panel ---------- Door assembly (Refer section 10.3) 011810 Bottom shroud 017410 010990 Foot - adjustable 013455 Leg tray 013708 Leg tray bracket ---------- Control panel assembly (refer section 10.2) 017968 Service panel 017958...

  • Page 36: Control Panel Assembly

    10.2 CONTROL PANEL ASSEMBLY Part No. Description 011987 THERMOSTAT 50-320 ºC 015563 THERMOSTAT KNOB 50-320 ºC 011760 TIMER - 1 Hr 015560 TIMER KNOB - 1 Hr 011419 TIMER - 3 Hr (240V 50 Hz) 011983 TIMER - 3 Hr (220V 60 Hz) 015567 TIMER KNOB - 3 Hr 013543...
  • Page 37 10.3 DOOR ASSEMBLY Revision 4/F3591 © Moffat Ltd, August 2004 -37-...
  • Page 38 Part No. Description 004070 DOOR INNER - L.H 004071 DOOR INNER - R.H 010627 DOOR OUTER - R.H 010626 DOOR OUTER - L.H 018081 HANDLE END CAP 018131 HANDLE 018138 HANDLE STIFFENER 002137 GLASS --------- GLASS SEAL 004287 GLASS SPACER ---------- INSULATION 011005...

  • Page 39: 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 Spare Parts...
  • Page 40 UNITED KINGDOM BLUESEAL LTD 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) Revision 4/F3591 ©...

  • Page 41: Appendix A. Double Stacking Instructions

    APPENDIX A. DOUBLE STACKING INSTRUCTIONS Double Stacking Kit - Part number 016372 Figure A.1 1) Remove the leg tray and legs from both 4) Place the top unit onto the bottom unit and units. remove the screws along the back joining edge of both units.

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