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E1100 ELECTRIC
CONVECTION OVEN
SERVICE MANUAL
Revision 4/F3591 © Moffat Ltd, August 2004
-1-
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WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. Revision 4/F3591 © Moffat Ltd, August 2004 -2-
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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. SECTION PAGE NO. 1. SPECIFICATIONS..........
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Revision 4/F3591 © Moffat Ltd, August 2004 -4-
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1. SPECIFICATIONS MODEL: E1100 1005 50 930 310 WATER ENTRY MWS MWS E E 3 3 ELECTRICAL ENTRY 205 FRONT SIDE E MWS 3 PLAN LEGEND - Electrical connection entry point - Water entry - ¾” BSP hose connection Dimensions shown in millimetres. Revision 4/F3591 © Moffat Ltd, August 2004 -5- 190 1200 660 1390 75
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MODEL: E1100-2 1005 50 930 310 WATER ENTRY MWS MWS E E 3 3 MWS MWS E E 3 3 ELECTRICAL ENTRY 205 FRONT SIDE E MWS 3 PLAN LEGEND - Electrical connection entry point - Water entry - ¾” BSP hose connection Dimensions shown in millimetres. Revision 4/F3591 © Moffat Ltd, August 2004 -6- 770 730 285 230 1690 75
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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 OVEN RACK SIZE Width 710 mm Depth: 520 mm ELECTRICAL SUPPLY SPECIFICATION 400-415 V AC, 50 Hz, 10.4 kW, 3P+N+E 380V AC, 60Hz, 10.4kW, 3P+N+E WATER SUPPLY CONNECTION Max Pressure 550 kPa /
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2. INSTALLATION WARNING: THIS APPLIANCE MUST BE EARTHED / GROUNDED. WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. Installations must be carried out by authorised Rear 100mm / 4” persons only. Failure to install equipment to Left-hand side 100mm / 4” the relevant codes and manufacturers Right-hand side 300mm / 12” specifications in this section will void warranty. NOTE: 300mm is required at the right hand This oven must be elec
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WATER CONNECTION A cold water supply should be fitted to the water inlet which is located at the rear of the unit. To access the water solenoid, undo the 4 screws securing the water access cover panel, and remove the panel. Fit ½" (13mm) flexible hose to the solenoid and secure with a hose clamp. Turn on the water supply to check for leaks. It may be necessary to hold the water injection button in for a few seconds to remove air from the system after initial instalment. IMPORT
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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). 2. THERMOSTAT Temperature range 50 - 320°C. Indicator illuminates when elements are 1 cycling ON to maintain set temperature. 3. BAKE TIMER 1 Hour bake timer. (Indicator illuminates when “time up”
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The temperature control of this oven is with a 3.2 EXPLANATION OF CONTROL capillary type thermostat which can be set to a SYSTEM required cooking temperature. The thermostat switch has a separate switch The E1100 Turbofan convection oven body assembled onto the front from the shaft features multi-function operator controls for assembly and when the thermostat is set to a which a correct understanding of their cooking temperature, the switch contacts turn operation is required b
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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. At this point the temperature control is now maintained by the hold thermostat as previously described. To cancel the hold circuit the Roast-and-Hold switch is turned Off. This removes power from the 3 h
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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. Door chain Check for wear. IMPORTANT: THIS UNIT IS NOT Door catch WATER PROOF. Ensure that catch is adjusted such that the DO NOT USE A WATER JET SPRAY TO door closes properly. CLEAN INTERIOR OR E
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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” at the power board. The power switch on the oven is Turn on switch. Power indicator off. will illuminate. Incorrect electrical supply. Ensure electrical supply correct. (Refer fault diagnosis 6.1.1) Power
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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. Remove, clean or replace. (Refer service section 6.3.14) Fault with water valve. Service or replace as required. (Refer fault diagnosis 6.1.6) (Refer service section 6.3.15,
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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. Correct calibration. (Refer fault diagnosis 6.1.10) (Refer service section 6.4.3) Contactor faulty Replace. (Refer fault diagnosis 6.1.10) (Refer service section 6.3.12) NO THERMOSTAT
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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..............................................................................................................19 6.1.1 Oven Does Not Operate / Start............................................................................19 6.1.2 Fan Does Not Operate...........
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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 6.4 A
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Fan motor faulty 6.1 FAULT DIAGNOSIS 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. Remove any obstruction. Check that the voltage across phase and neutral (L1 and L2) terminals of terminal block If fan is free to spin and the voltage at motor is the voltage as stated on the uni
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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 not switch. If there is no voltage, then check depressed, check for power supply across wiring. solenoid coil. If there is power to the coil, then With switch depressed, check voltage at right check wiring and steam switch (refer 6.1.7). hand terminal. If
