Home

Blue Seal E311 Service manual

1. u u 38 8 1 Oven 8 2 Hob 9 SPARE PARTS mes ss tasn aue DST aste e a Gu ge biasa Seen Us 41 10 ACCESSORIES OPTIONS 42 11 PARTS DIAGRAM IEEE 43 11 1 Main Assembly Oven Section Only 11 2 Control Panel Assembly Oven Section Only 4 ethos ick SERVICE CONTACTS 12 APPENDIX A POWER RELAY UPGRADE KIT u u u tnnt 49 1 IMPORTANT MAKING ALTERATIONS MAY VOID WARRANTIES AND APPROVALS Convection Oven Moffat Ltd April 2005 Revision 4 F3544 LAA Convection Oven Moffat Ltd April 2005 Revision 4 F3544 1 SPECIFICATIONS MODEL E9311 2 796 5 E 600 _ 90 565 E i ELECTRICAL ENTRY I E J EI JK i D EN D 8 8 LO 1 O p E JE i 5 9 ELECTRICAL ENTRY Imi Y O Y Y 120 45 FRONT SIDE TEE Il Il D TU PLAN LEGEND E MENS Electrical connection entry point Dimensions shown in millimetres Dimensions in inches shown in brackets Convection Oven 5 Moffat Ltd April 2005 Revision 4 F3544 LOCATION To ensure correct ventilation for the motor
2. Screws Eight 11111 vod Figure 6 2 8 O Moffat Ltd April 2005 Convection Oven Revision 4 F3544 6 3 6 BUZZER 1 Remove control panel refer 6 2 1 2 Remove two screws holding buzzer bracket to panel Two Screws Figure 6 3 6 3 Withdraw and remove two screws holding buzzer to bracket Two Screws Figure 6 3 7 4 Transfer wires to new buzzer 5 Reassemble in reverse order 6 3 7_BAKE TIMER 1 Remove bake timer knob by pulling it firmly away from control panel 2 Open control panel refer 6 2 1 and undo two screws securing timer Two Screws Figure 6 3 8 3 Transfer wires to new timer 4 Withdraw old timer and insert new timer securing with screws 5 Replace knob 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 6 3 4 POWER ROAST LIGHTS SWITCHES 1 With control panel open refer 6 2 1 remove the wires from the back of the Switch noting their positions Switch Wires 8 Figure 6 3 4 2 From back push switch through front of panel 3 Push new switch in from front of panel and reconnect wires 6 3 5 POWER RELAY FROM S N 232054 1 Remove service panel refer 6 2 2 2 Remove the two screws securing the relay to the rear panel Power Relay Figure 6 3 5 3 Transfer the wires to the new relay 4
3. Bake Timer 60 minute Figure 6 2 2 6 2 2 SERVICE REAR PANEL Roast n Hold Switch Hold Relay Mini Contactor 1 Undo the four screws holding the panel Roast n Hold Time Up Indicator Roast Timer 180 minute Light Switch Hold Thermostat Figure 6 2 3 2 Remove panel Figure 6 2 5 Convection Oven 26 Moffat Ltd April 2005 Revision 4 F3544 6 3 REPLACEMENT 6 3 1 LIGHT BULB GLASS 1 Unscrew lamp cover Figure 6 3 1 2 Unscrew bulb out of fitting 3 Screw in replacement bulb 4 Ensure seal fitted Screw lamp cover into holder with baffle fitted do not over tighten 6 3 2 DOOR MICROSWITCH 1 Remove service panel refer 6 2 2 2 Remove two screws holding microswitch to bracket Figure 6 3 2 3 Transfer wires to new micro switch and re assemble 4 Adjust microswitch refer 6 4 2 6 3 3 INDICATOR NEON LIGHT 1 With control panel open refer 6 2 1 remove the wires from the back of the neon 6 2 5 HOB COOK TOP 1 Remove the nine screws securing the hob back panel to the unit 1 Hob Back Panel Figure 6 2 6 2 Remove both fuses 3 Remove the two screws securing the retaining clamp to the centre rear of the hob Two Screws Figure 6 2 7 4 Lift out hob for servicing 6 2 6 HOB BASE PANEL 1 Remove hob refer 6 2 5 2 Turn the hob over and remove eight screws securing the base panel to the hob 1
4. WO LE u Oo o oI Lu J O M lo 5 e O 0 o 4 T TE AN purus lo o s a o z AN 4 o 0 LE Convection Oven 37 O Moffat Ltd April 2005 Revision 4 F3544 Moffat Ltd April 5 38 Convection Oven Revision 4 F3544 m 92 29 zg gz k ze O A uBzzna St L ou H3MOd iz 8 vt 2 ot 6 Lisa 02 K el 92 TWNINHAL SNIYN gt Two ava 5 1 Ne 11 W 9 HOLIMSOHOIN dla m SIN woo s 1111 e 9r de 8 L AVI3U H _de J 1N3W313 WOLLO8 r 2 8 ELECTRICAL WIRING DIAGRAMS From Serial Number 232054 8 1 OVEN To Serial Number 232053
5. Buzzer faulty Refer fault diagnosis 6 1 5 Timer not switching on buzzer Refer fault diagnosis 6 1 5 Indicator faulty Refer fault diagnosis 6 1 6 Power relay faulty From S N 232054 only Refer fault diagnosis 6 1 7 Hold relay mini contactor faulty Refer fault diagnosis 6 1 7 Thermostat faulty Refer fault diagnosis 6 1 7 Thermostat faulty Refer fault diagnosis 6 1 8 Oven in Roast n Hold mode Overloading of oven Electrical supply incorrect Fan not working Thermostat calibration Refer fault diagnosis 6 1 9 Element s not working Element faulty blown Refer fault diagnosis 6 1 10 Element faulty blown Refer fault diagnosis 6 1 11 Indicator faulty Refer fault diagnosis 6 1 12 Element faulty blown Refer fault diagnosis 6 1 13 Indicator faulty Refer fault diagnosis 6 1 14 FAULT 60 MINUTE TIMER NO TIME UP BUZZER 60 MINUTE TIMER NO TIME UP INDICATOR NO HEAT NO TEMPERATURE CONTROL SLOW RECOVERY BOTTOM ELEMENT NOT WORKING TOP ELEMENT NOT WORKING IN BAKE MODE NOT GRILL BROIL MODE NO THERMOSTAT HEATING INDICATOR GRILL NOT WORKING GRILL INDICATOR LIGHT NOT WORKING Moffat Ltd April 2005 16 Convection Oven Revision 4 F3544 REMEDY Depress switch Switch will illuminate Correct electrical fault replace timer Refer service section 6 3 8 Replace Ref
6. Convection Oven 39 Moffat Ltd April 2005 Revision 4 F3544 8 2 COOK TOP HOB Convection Oven Moffat Ltd April 2005 40 Revision 4 F3544 9 SPARE PARTS PART NO DESCRIPTION HOB 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 020823 Knob Thermostat Bake Timer 020849 Neon Indicator 011760 Bake Timer 011794 Buzzer 021476 Switch Roast n Hold 011419 Roast n Hold Timer 021472 Roast n Hold Timer Knob 021474 Switch Light 024562 Hold Relay From S N 232054 022281 Hold Mini Contactor To S N 232053 018223 Hold Thermostat 002990 Microswitch 003002 Oven Lamp Glass 003434 Silk Gasket 013521 Oven Lamp 40W Miniature Edison Screw MOTOR amp ELEMENTS 003113 Oven Top Element 208 Volts 003114 Oven Bottom Element 208 Volts 011604 Oven Top Element 240 Volts 003074 Oven Bottom Element 240 Volts 013
7. Moffat Ltd April 2005 17 Convection Oven Revision 4 F3544 REMEDY Turn on Replace fuse link Refer service section 6 3 21 Check electrical fault Ensure electrical supply correct Check electrical fault Replace fuse link Refer service section 6 3 21 Check electrical fault Replace fuse link Refer service section 6 3 21 Replace energy regulator Refer service section 6 3 23 Replace element Refer service section 6 3 22 Replace Refer service section 6 3 24 Replace Refer service section 6 3 23 Replace Refer service section Use suitable pot pan Replace Refer service section 6 3 23 Replace element Refer service section 6 3 22 Use suitable pots Replace element if faulty Refer service section 6 3 22 POSSIBLE CAUSE The mains isolating switch on the wall circuit breaker or fuses are off at the power board The fuses at the rear of the hob have blown Incorrect electrical supply One fuse at rear of hob has blown One fuse at rear of hob has blown Energy regulator faulty Refer fault diagnosis 6 1 19 Element failed Refer fault diagnosis 6 1 18 Faulty indicator Energy regulator faulty Refer fault diagnosis 6 1 19 Energy regulator faulty Refer fault diagnosis 6 1 19 Cooking pot pan uneven base Refer operation 3 2 Energy regulator faulty Refer fault diagnosis 6 1 19 One elem
8. 1 K 4 E9311 CONVECTION OVEN RANGE SERVICE MANUAL e D es UE SE m RR y turbofan Convection Oven Moffat Ltd April 2005 Revision 4 F3544 A WARNING ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY yw Cm ij n 0 121 ErcrrmmmsmsnnrFn 4 Convection Oven Moffat Ltd April 2005 Revision 4 F3544 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 SECTION PAGE NO 1 SPECIFICATIONS 2 rere A I 5 2 INSTALLATION Z TE 7 3 OPERATION 9 3 1 Oven 3 2 Hob 3 3 Explanation of Control System 4 MAINTENANGE uu aqa ua aa saa usa sa 13 4 1 Cleaning 4 2 Routine Procedures 5 TROUBLE SHOOTING GUIDE maama maana na naa uuu uuu u 15 5 1 Oven 5 2 Hob 6 SERVICE PROCEDURES een ner u mentale 19 6 1 Fault Diagnosis 6 2 Access 6 3 Replacement 6 4 Adjustment Calibration 7 ELECTRICAL SCHEMATICS uuu u ae 36 8 ELECTRICAL WIRING DIAGRANS
9. 6 3 13 ELEMENTS 1 With service panel and baffle removed refer 6 2 2 and 6 2 3 remove the wires from the element s 2 Unscrew the element from inside the oven w Top Element VW One Screw Bottom Element Two Screws Figure 6 3 17 3 Pull element carefully to remove 4 Replace order and re assemble in reverse Element Ratings 5 220 240V Top Inner Element Top Outer Element 29 5 ohms 66 5 ohms Bottom Element 27 3 ohms 6 3 14 FAN 1 With service panel and baffle removed refer 6 2 2 and 6 2 3 undo the centre nut NOTE LH thread Turn clockwise to loosen Centre Nut Figure 6 3 18 2 Replace and re assemble in reverse order 4 Withdraw old thermostat phial through rear of oven 5 Insert new thermostat 6 Re assemble in reverse order 6 3 11 HOLD RELAY FROM S N 232054 1 Open control panel refer 6 2 1 and transfer wires from old hold relay to new relay 2 Remove two screws securing the old hold relay to control panel Figure 6 3 15 3 Secure new hold relay to the control panel using two screws 6 3 12 MINI CONTACTOR TO S N 232053 1 Open control panel refer 6 2 1 and transfer wires from old mini contactor to new contactor 2 Remove two screws securing old mini contactor to control panel Two Screws Figure 6 3 16 3 Secure new mini contactor to control panel using two screws Moffat Ltd April 2005 30 Convectio
10. 240V BOTTOM ELEMENT 230 240V BOTTOM ELEMENT 208 220V SUPPORT RACK OVEN SIDE RACK RH OVEN SIDE RACK LH TROUGH US CAN ONLY BOTTOM ELEMENT GUARD OVEN SEAL ASSEMBLY VERTICAL VERTICAL SEAL 455mm OVEN SEAL ASSEMBLY HORIZONTAL PIVOT COVER TOP PIVOT SUPPORT TOP ASSEMBLY Pos Part 1 023242 WRAPPER 2 090414 INSULATION 3 023276 COVER 4 023277 5 011412 MICROSWITCH 6 011389 MICROSWITCH 7 002990 MICROSWITCH 8 003012 ACTUATOR 011410 MICROSWITCH 9 023275 VENT 10 003016 11 013431K MOTOR 12 012782 HOSE 13 011634 ELBOW 14 012781 SOLENOID 15 019208 16 012784 SOLENOID 17 012785 INJECTOR 18 011404 19 013586 TERMINAL 20 002138 CABLE 21 002441 INSULATOR 22 018251 23 023241 BODY 24 017788 25 004879 FOOT 26 017770 PHIAL 27 004870 OVEN 28 011413 29 011407 30 013520 003434 SILK 013521 LAMP 003002 LIGHT 31 013432 FAN 32 004595 FAN 33 003123 BAFFLE 34 003113 011604 35 003074 003114 36 003219 ELEMENT 37 023254 OVEN 38 023256 39 023255 40 012787 WATER 41 004874 42 014225 003028 43 023257 023278 HORIZONTAL SEAL 584mm 44 004877 45 023243 46 023615 TOP TRIM INNER BRACKET HANDLE ASSEMBLY 021469 HANDLE ASSEMBLY 021469 47 004875 DOOR 48 021465 HANDLE 49 021468 HANDLE Moffat Ltd April 2005 44 Convection Oven Revision 4 F3544 50 CONTROL ASSEMBLY SEE SECTION 11 2 51 023616 BOTTOM TRIM 52 013610 DOOR BUSH ALSO USED ON CONTROL PANEL PIVOT 53 0232
11. April 2005 Convection Oven Revision 4 F3544 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 turns off the contactor which removes power from the 3 hour timer and closes the contactor pole on the contactor that feeds the main oven thermostat The factory preset hold thermostat can be adjusted as required to change the holding temperature if necessary Refer Service section for this procedure Hob The hob is electrically independent of the oven and has it s own electrical supply and connection Four electric hot plate elements are provided one being 2000 Watts and the other three being 1500 Watts Each element has three internal heating wire coils which are all switched together from the control energy regulator Normally all three heating wires in the element will be on together whenever the control calls for heat However if the element hot plate temperature rises above a pre set limit an internal temperature limiter switch will turn off one of these heating wires to prevent the hot plate overheating This situation is normally created through HI heat settings without pans on the hot plate or unsuitable pan bases being used refer Operation Section The limit switch will automatically cut in and out to prevent the element from overheating Each element is controlled by an e
12. NOTE A full user s operation manual is supplied with the product and can be used for further referencing of installation operation and service 1 POWER Depress to switch power on or off Switch illuminates when power is on 2 THERMOSTAT Temperature range 50 280 C 120 550 F Indicator illuminates when elements are cycling ON to maintain set temperature GRILL POSITION The GRILL indicator will illuminate indicating that the GRILL function has been set The HEATING indicator will also illuminate whenever the elements are on 3 BAKE TIMER 1 Hour bake timer Indicator illuminates when time up 0 reached and buzzer sounds 4 ROAST N HOLD Depress switch to activate ROAST N HOLD function Switch illuminates when ON 5 ROAST TIMER 3 Hour roast timer Indicator illuminates when time up 0 reached and product held at 75 C 167 F 6 LIGHT SWITCH Push switch to activate oven light Light illuminates while button depressed 3 1 OVEN POWER f THERMOSTAT GRILL 30 NROASTNHOLD pe Lor TIMER T 90 5 Moffat Ltd April 5 Convection Oven Revision 4 F3544 DISC ELEMENTS Before using for the first time heat the ele ment on HI for three minutes This will pro duce some smoke which will soon disappear With continued use the red spot and stainless steel trim ring may discolour This is a natural result of heat and does n
13. PIVOT BUSHES 1 Remove door as per steps one to three of section 6 3 16 2 Door bushes can now be removed and replaced 3 Reinstall door by reversing steps one to three of section 6 3 16 Door Pivot Bush Figure 6 3 27 6 3 21 COOK TOP FUSES N WARNING DO NOT TOUCH THE FUSES UNLESS THE POWER SUPPLY IS SWITCHED OFF AT THE WALL 1 Remove two screws securing the fuse cover panel to the rear of the unit Figure 6 3 28 2 The fuses can now be removed and the fuse wire replaced as required Figure 6 3 29 6 3 17 INNER GLASS 1 Remove the outer glass as above Uncrimp the retaining lugs of the window spacer and remove the spacer and glass Figure 6 3 25 2 To replace ensure the silicone rubber seal has not been displaced Clean the glass and refit it Place the window spacer in position and crimp the retaining lugs over to hold the glass in place Refit outer glass as above 6 3 18 INNER GLASS SEAL 1 Remove the door inner glass refer 6 3 18 2 The inner glass seal can now be removed and replaced NOTE When fitting new seal ensure join is at top of door 6 3 19 DOOR SEALS 1 Open oven door 2 To remove hold at their centre point and pull forward until they unclip Door Seals Figure 6 3 26 3 Refit new seals NOTE Fit top and bottom seals first with open side of seal facing downwards Fit side seals with open side facing outwards Moffat Ltd April 2
14. 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 Depth 432 mm 17 Oven Volume 0 10 3 5 ft OVEN RACK SIZE Width 536 mm 21 Depth 370 mm 14 5 ELECTRICAL SUPPLY SPECIFICATION Oven 230 240 V AC 50 Hz 13 0 A 3 1kW 240 V Hob 230 240 V AC 50 Hz 27 0 A 6 5kW 9 240 V ELECTRICAL PLUG SPECIFICATION REQUIREMENTS OVEN Australia 3 pin 250V 15A AS NZ 3112 Canada 3 pin 250V 15A NEMA 6 15 New Zealand 3 pin 250V 15A AS NZ 3112 United Kingdom 3 pin 250V 13A fused BS 1363A United States 3 pin 250V 15A NEMA 6 15 Other Countries 3 pin 250V 13A minimum type to meet country standards ELECTRICAL CONNECTION WIRE CONDUCTOR SIZES HOB Minimum 4mm 16AWG Convection Oven Moffat Ltd April 2005 Revision 4 F3544 2 INSTALLATION N WARNING THIS APPLIANCE MUST BE GROUNDED WARNING ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY this is not carried out uneven cooking could occur The feet legs used with bench or floor mounting are adjustable and will require adjusting in levelling the unit It should be positioned so the operating panel and oven shelves are easily reachable for loading and unloading BEFORE USE Operate the oven for about 1 hour at 200 C 400
15. and the voltage supply is correct then the motor is faulty replace 6 1 3 OVEN LIGHT NOT ILLUMINATING DOOR OPEN No power to light Check the supply voltage across lamp housing terminals at rear of oven If the voltage is correct replace the bulb if faulty If the bulb is OK check lamp housing Replace if faulty If there is no voltage open oven door and manually depress door microswitch actuator at top right of oven If this activates the fan then the microswitch actuator arm at rear of oven requires adjustment Check voltage across micro switch terminals to neutral With the door closed there should be power to the com terminal and the n o terminal With the door open there should be power to the com terminal and the n c terminal If not microswitch is faulty replace 6 1 4 OVEN LIGHT NOT ILLUMINATING DOOR CLOSED Light switch faulty Check voltage to the bottom terminal of the switch If there is no voltage then check wiring With switch depressed check voltage at top terminal If there is no voltage then replace the switch If voltage is correct then check wiring to light NOTE Alternately perform a continuity test across the terminals with the light switch depressed 6 1 FAULT DIAGNOSIS 6 1 1 OVEN DOES NOT OPERATE START Incorrect electrical supply Check that the voltage across phase and neutral L1 and L2 terminals of terminal block is the voltage as stated on th
16. not then check wiring If there is voltage and there is no power at terminal 4 then the relay is faulty replace If there is voltage at terminal 4 then check the hold relay and the thermostat refer below Hold relay faulty From S N 232054 Check voltage to terminal 1 on oven thermostat If there is no voltage then check voltage at terminals 1 and 7 on hold relay inside control panel If there is no voltage to terminal 7 then check wiring If there is no voltage at terminal 1 then check that the relay is not energised i e there should be no power between terminals A and B on the relay If the relay is not energised and there is no voltage at terminal 1 then the relay is faulty replace NOTE The relay should only be energised when the Roast n Hold switch is depressed If there is voltage at terminal 1 then check all wiring to the thermostat N gt Figure 6 1 4 Hold mini contactor faulty to S N 232053 Check voltage to terminal 1 on oven thermostat If there is no voltage then check voltage through terminal 21 and 22 on mini contactor inside control panel If there is no voltage to terminal 21 then check wiring If there is no voltage to terminal 22 then check that the contact indicator on centre of the contactor is in 0 position If indicator is in O position and there is no voltage to 21 then replace contactor 6 1 5 60 MINUTE TIMER NO TIME UP BUZZER Buzzer faulty With
17. on the control panel is switched on the power relay is energised and the normally open contact is closed providing power to the temperature control circuit The temperature control of this oven is with a capillary type thermostat which can be set to a required cooking temperature or set to the Grill Broil position to provide top browning or grilling broiling in the oven The thermostat switch has a separate switch body assembled onto the front from the shaft assembly and when the thermostat is set to a cooking temperature one set of contacts is closed to switch power from the oven thermostat to the bottom heating element in the oven The second switch contact of this switch assembly remains open in this setting and isolates power from the top element inner coil The top element outer coil is directly switched on from the oven thermostat Accordingly only the top outer element and the bottom element are used when a cooking temperature is selected The control panel indicator light above the thermostat knob cycles On and Off with the thermostat to indicate when the elements are on and the oven is heating When the thermostat control is set to the Grill position the first switch contact opens and the second switch contact closes This arrangement allows power to be provided to the top element inner coil when the thermostat is On and isolates power from going to the bottom heating element The top element outer coil which is directly
18. switch does not latch then the switch is faulty replace With the switch latched check voltage across terminal 1 to terminal 3 or 4 If there is no voltage then check for fault in wiring Check voltage across terminal 2 to terminal 3 or 4 If there is no voltage then switch is faulty replace NOTE When the switch is latched it should illuminate if operating correctly 6 1 16 NO HOLD INDICATOR Indicator faulty Check the voltage across the indicator terminals If the voltage is correct then the indicator is faulty replace If there is no voltage then check wiring Timer faulty Check the voltage at terminal 3 of timer with timer in hold position If the voltage is correct then check wiring If there is no voltage then check voltage at terminal 1 of timer If there is voltage at 1 but no voltage at terminal 3 with timer in hold position then timer switch is faulty replace Moffat Ltd April 2005 6 1 13 GRILL NOT WORKING Element faulty blown With thermostat in grill or broil position fully clockwise check that the grill indicator on the control panel indicates If not then check the voltage at terminal P5 on the thermostat switch fig 6 4 1 If there is no voltage check that the switch has power on terminal 5 If there is power at terminal 5 but not at P5 when thermostat is in grill position then the switch is faulty replace thermostat assembly If grill indicator is illuminated b
19. terminals at rear of oven If the voltage is correct then check the current draw of element If there is no current draw then element is faulty replace 1 fal Bottom Element Terminals Figure 6 1 6 If there is no voltage then check voltage is being supplied to bottom element from terminal 6 on switch block mounted to the front of the thermostat fig 6 4 1 If no voltage at 6 then check for voltage at terminal P6 If power to P6 and none to 6 then the thermostat is faulty replace NOTE Correct bottom element current draw 220 240V 8 7 5 6 1 11 TOP ELEMENT NOT WORKING IN BAKE MODE NOT GRILL BROIL Element faulty blown NOTE In bake mode 50 270 C or 100 550 F the outer coil only of the top ele ment assembly operates The inner coil works only when in grill or broil mode With thermostat on and heating check voltage across top element terminals at rear of oven If voltage is correct then check current draw of the element If there is no current draw then the element is faulty replace If there is no voltage check voltage is being supplied to the top element from terminal 2 on switch block mounted to front of thermostat If voltage is correct then check wiring NOTE Top outer element current draw 220 240V 3 5A 5 6 1 12 NO THERMOSTAT HEATING INDICATOR Indicator faulty Check the voltage across the indicator terminals If the voltage is correct then the indicato
20. the input side of the power relay whenever the electrical supply is on With the power switch On illuminated power is directly supplied to the 60 minute bake timer door microswitch light switch and the hold switch circuit On units manufacture prior to serial number 232053 power is also supplied directly to the temperature control circuit Accordingly the oven circulation fan will operate when the door is closed and with door open the oven light will come on and the circulation fan will shut down as these are controlled via the door microswitch The control panel light switch will turn the oven light on when the door is closed only when the light switch is held in The 60 minute timer is a mechanical timer and can therefore be operated with the oven s power switch On or Off However only with the oven s power switch On will the switch contacts of the 60 minute timer turn on the time up buzzer and illuminate the time up indicator on the control panel The buzzer and time up indicator provide indication that the time setting has run down to zero and at this point will remain On continuously until the 60 minute timer has been manually set back to the Off vertical position The 60 minute timer does not control any other part of the oven s operating system as this timer is independent of the temperature control and heating system For units manufactured from serial number 232054 power to the temperature control Moffat Ltd
21. timer in zero position check the buzzer at top of control panel inside for voltage across terminals If voltage is correct then buzzer is faulty replace If there is no voltage then check wiring Buzzer Figure 6 1 2 Timer not switching on buzzer With timer in zero position check voltage to top connection terminal 1 and bottom connection terminal 2 of timer If there is no voltage at terminal 1 then check wiring If no voltage at terminal 2 then timer is faulty replace NOTE Timer will continue to run for approximately three minutes below zero Buzzer and time up indicator will continue until the timer manually switched off to vertical position 6 1 6 60 MINUTE TIMER NO TIME UP INDICATOR Indicator faulty With the timer in the zero position check for voltage across the indicator light If correct then the indicator light is faulty replace If there is no voltage then check wiring 6 1 9 NO HEAT Power relay faulty From S N 232054 Check voltage to terminal 7 on power relay on rear panel of oven If there is no voltage then check wiring to the relay P ah If indicator is in the 1 position then check the voltage across contactor coil terminals A1 and A2 Figure 6 1 3 Convection Oven 22 Moffat Ltd April 2005 Revision 4 F3544 6 1 10 BOTTOM ELEMENT NOT WORKING Element faulty blown With the thermostat on and heating check voltage across bottom element
22. 005 Convection Oven Revision 4 F3544 6 3 24 HOB INDICATOR LIGHT 1 Remove hob refer 6 2 5 and hob base panel refer 6 2 6 2 Remove wires from back of indicator 3 From bottom push indicator through top of hob control panel rotating clockwise 4 Push new indicator in from top of panel and reconnect wires Indicator Wires Figure 6 3 32 6 3 25 HOB CENTRE SECURING NUT If the hob pressing is bowed excessively the centre securing nut may have come away To repair 1 Remove hob refer 6 2 5 and the hob base panel refer 6 2 6 2 Inspect stud and securing nut Centre Securing Nut Figure 6 3 33 3 Repair as necessary 6 3 22 HOB ELEMENTS 1 Remove hob refer 6 2 5 and the hob base panel refer 6 2 6 2 Remove wires from element noting their positions refer electrical wiring diagram 8 2 3 Unscrew centre nut and remove element Centre Nut Element Clamp Figure 6 3 30 4 Element can now be removed through top of hob and replaced 6 3 23 HOB ENERGY REGULATORS 1 Remove hob refer 6 2 5 and hob base panel 6 2 6 2 Remove knob from top of hob control panel by pulling firmly away from control panel 3 Unscrew centre nut Figure 6 3 31 4 Turn the hob over and withdraw the energy regulator 5 Transfer the wires to the new energy regulator refer electrical wiring diagram 8 2 5 Reassemble in reverse order Moffat Ltd April 2005 Con
23. 3 0 A 6 5kW 9 240 V A WARNING THIS APPLIANCE HAS INDEPENDENT ELECTRICAL CIR CUITS FOR THE OVEN AND HOB SEPARATE POWER CONNECTIONS ARE REQUIRED 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 25mm 1 Right hand side 25mm 1 IMPORTANT THE OVEN VENT LOCATED ON THE CABINET TOP MUST NEVER BE OBSTRUCTED Position the oven in its allocated working position Use a spirit level to ensure the oven is level from side to side and front to back If Moffat Ltd April 2005 Convection Oven Revision 4 F3544 The rating plate for the hob is located on the DOOR HANDLE INSTALLATION left side of the hob back panel 3 M gt 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 4 Install the handle bracket through the slot on the door side 5 Screw in the two screws item 2 fully then fully screw in the previous two screws item 3 Ensure that they are tight au lll 2 Figure 4 Figure 2 2 RATING PLATE LOCATION The rating plate for the oven is located at the bottom left corner of the RH side panel z S I Oven Rating Plate Figure 2 3 Convection Oven 8 Moffat Ltd April 2005 Revision 4 F3544 3 OPERATION
24. 4 1 CLEANING A WARNING ALWAYS TURN THE POWER SUPPLY OFF BEFORE CLEANING 1 IMPORTANT THIS UNIT IS NOT WATER PROOF DO NOT USE A WATER JET SPRAY TO CLEAN INTERIOR OR EXTERIOR OF THIS UNIT EXTERIOR Clean with a good guality stainless steel cleaning compound Harsh abrasive cleaners may damage the surface INTERIOR Ensure that the oven chamber is cool Do not use wire brushes steel wool or other abrasive materials Clean the oven regularly with a good quality oven cleaner Take care not to damage the fan or the tube at the right side of the oven which controls the thermostat OVEN RACKS To remove slide out to the stop position raise the front edge up and lift out SIDE RACKS Undo the thumbscrew anti clockwise rotation securing rack to oven wall swing rack to wards centre of oven to disengage location pin at front of side and pull rack forward to remove Toreplace engage rack in rear holes swing towards side of oven to engage in front hole and replace thumbscrew FAN BAFFLE To remove unscrew the oven lamp glass and lift the baffle out To replace locate the bottom edge of the baffle over the bottom element terminal plate and secure in place with the oven lamp glass 1 IMPORTANT DO NOT OVER TIGHTEN LAMP GLASS Convection Oven O Moffat Ltd April 2005 Revision 4 F3544 13 4 2 ROUTINE PROCEDURES PROCEDURE INTERVAL DOOR SEALS Check for deterioration 12 months DOOR PIVOT B
25. 431K Fan Motor 013432 Oven Fan DOOR 014225 Oven Door Seal Strip Side 023257 Oven Door Seal Strip Top Bottom 021469 Handle Assembly 021468 Handle 021465 Handle Bracket 023264 Door Outer Glass 023263 Door Inner Glass 011005 Door Catch 013610 Door Bush RACKS 023255 Oven Side Rack LH 023256 Oven Side Rack RH 023254 Oven Rack 004874 Bottom Element Guard 004595 Fan Baffle Convection Oven 41 Moffat Ltd April 2005 Revision 4 F3544 10 ACCESSORIES OVEN RACKS PART NO 23254 SCONE TRAYS PART NO 02083 j ul Convection Oven 42 Moffat Ltd April 2005 Revision 4 F3544 11 PARTS DIAGRAMS 11 1 OVEN MAIN ASSEMBLY Convection Oven 43 Moffat Ltd April 2005 Revision 4 F3544 No Description PANEL COVER PANEL PLATE BRACKET INSULATOR ROD BUTTON NOT ILLUSTRATED TUBE MOTOR MOUNTING PLATE CONNECTOR US CAN ONLY US CAN ONLY VALVE US CAN ONLY SOLENOID MOUNTING BRACKET US CAN ONLY EXTENSION US CAN ONLY US CAN ONLY L H OVEN SUPPORT BLOCK CLAMP CABLE ENTRY CLAMP BRACKET LEG 6 150 mm PLATE GUARD INNER R H OVEN SUPPORT SIDE INSULATION PANEL OVEN LIGHT ASSEMBLY GASKET 40W GLASS BAFFLE BRACKET TOP ELEMENT 208 220V TOP ELEMENT 230
26. 45 PIVOT SUPPORT BOTTOM ASSEMBLY 54 023263 DOOR INNER GLASS 090200 SILICON EXTRUSION 1 90M 55 004876 DOOR GLASS CLAMP ANGLE 56 023264 DOOR OUTER GLASS 090225 SILICON EXTRUSION 0 96M 57 024562 POWER RELAY FROM SERIAL NUMBER 232054 024563 POWER RELAY UPGRADE KIT TO SERIAL NUMBER 232053 58 004594 COUNTERWEIGHT UK ONLY J s X j Convection Oven 45 Moffat Ltd April 2005 Revision 4 F3544 11 2 OVEN CONTROL PANEL ASSEMBLY J 9 9 Pos Part No Description 1 018224 HOLD THERMOSTAT KNOB 2 018223 HOLD THERMOSTAT 3 021538 HOLD THERMOSTAT BRACKET AFFIX 018209 LABEL 4 017121 THERMOSTAT 50 300 C 5 011760 TIMER 1 Hr 6 011419 TIMER 3 Hr 240V 50 Hz 011983 TIMER 3 Hr 240V 60 Hz 7 024562 HOLD RELAY FROM SERIAL NUMBER 232054 022281 HOLD MINI CONTACTOR TO SERIAL NUMBER 232053 8 021536 RELAY CONTACTOR BRACKET 9 018789 BALL CATCH PLATE 10 011005 BALL CATCH amp LOCKNUT 11 021442 TIMER MOUNTING PANEL 12 011794 BUZZER 13 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 17 021474 LIGHT SWITCH 18 020823 THERMOSTAT TIMER KNOBS 19 020849 INDICATOR LIGHT 20 021476 ROAST N HOLD SWITCH 21 021473 POWER SWITCH Convection Oven 46 Moffat Ltd April 2005
27. F to remove any fumes or odours which may be present Operate the element on HI for about three minutes This will produce some smoke which will soon disappear ELECTRICAL CONNECTION OVEN E9311 convection ovens are supplied with pre fitted cords Ensure unit is fitted with the correct cord and plug for the installation Refer specifications section L1 L2 Ground Phase Neutral RED BLACK BROWN BLUE GREEN GREEN YELLOW BLACK WHITE WARNING THIS APPLIANCE MUST BE GROUNDED EARTHED Figure 2 1 Should changing of the cord be necessary gain access to the electrical connection terminal block and strain relief by removing the back panel four screws ELECTRICAL CONNECTION HOB To access the electrical connection terminal block remove the back panel of the hob six Screws It is most important that the oven is installed correctly and that the operation is correct before use Installation shall comply with local electrical health and safety requirements BEFORE CONNECTION TO POWER SUPPLY Unpack and check unit for damage and report any damage to the carrier and dealer Report any deficiencies to your dealer Fit the legs which are packed inside the oven Fit door handle to oven door Check that the available power supply is correct to that shown on the rating plate located on the right hand side panel figure 2 3 Oven 230 240 V AC 50 Hz 13 0 A 3 1kW 240 V Hob 230 240 V AC 50 Hz 1
28. Revision 4 F3544 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 Free Call 1800 337 963 Fax 03 9518 3895 QUEENSLAND MOFFAT PTY 30 Prosperity Place Geebung QLD 4034 Spare Parts Free Call 1800 337 963 Fax 03 9518 3895 SOUTH AUSTRALIA MOFFAT PTY Suite 8 71 Fullarton Rd Tel 08 8431 0522 Kent Town SA 5067 Spare Parts Free Call 1800 337 963 WESTERN AUSTRALIA MOFFAT PTY PO Box 689 Tel 08 9305 8855 Joondalup Business Centre WA 6027 Spare Parts Free Call 1800 337 963 NATIONAL COVERAGE FOR 24 HOUR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 622 216 AUSTRALIA ONLY CANADA Lessard Agencies Limited Tel 416 766 2764 PO Box 97 Fax 416 760 0394 Stn D Free Call 1 888 537 7273 Toronto ONT M6P 3J5 NEW ZEALAND CHRISTCHURCH MOFFAT LTD 16 Osborne St Free Call 0800 Moffat PO Box 10 001 0800 663 328 Christchurch Spare Parts Tel 03 389 1007 Fax 03 389 1276 AUCKLAND MOFFAT LTD 4 Waipuna Road Tel 09 574 3150 Mt Wellington Fax 09 574 3159 Auckland Spare Parts Free Call 0800 Moffat 0800 663 328 yur sns _ e Convection Oven 47 Moffat Ltd April 2005 Revision 4 F3544 UNITED KINGDOM BLUESEAL LTD Units 6 7 M
29. Secure the relay to the rear panel with two screws and replace the service panel Moffat Ltd April 2005 Convection Oven Revision 4 F3544 5 Withdraw old thermostat phial through rear of oven 6 Remove fibreglass sleeve from old thermostat and fit it to replacement thermostat Fibreglass Sleeve Thermostat Phial Figure 6 3 12 7 Insert new thermostat 8 Re assemble in reverse order 6 3 10 HOLD THERMOSTAT 1 Open control panel refer 6 2 1 and undo two screws securing hold thermostat bracket Figure 6 3 13 2 Transfer wires to new thermostat 3 Remove service panel refer 6 2 2 and from inside of oven loosen the thermostat phial bracket Two Screws Figure 6 3 14 6 3 8 ROAST TIMER 1 Remove roast timer knob by pulling it firmly away from control panel 2 Open control panel refer 6 2 1 and undo two screws securing timer Two Screws Figure 6 3 9 3 Transfer wires to new timer 4 Withdraw old timer and insert new timer securing with screws 5 Replace knob 6 3 9 THERMOSTAT 1 Pull knob off front of thermostat 2 Open control panel refer 6 2 1 and undo two screws securing thermostat Figure 6 3 10 3 Transfer wires to new thermostat 4 Remove service panel refer 6 2 2 and from inside of oven loosen two screws holding thermostat phial bracket Two Screws Figure 6 3 11 Moffat Ltd April 2005 Convection Oven Revision 4 F3544
30. USHES 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 ee Convection Oven 14 Moffat Ltd April 2005 Revision 4 F3544 5 TROUBLE SHOOTING WABNING ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY REMEDY Turn on Depress switch Switch will illuminate Ensure electrical supply correct Replace Refer service section 6 3 4 Close door Adjust Refer service section 6 4 2 Replace Refer service section 6 3 2 Replace Refer service section 6 3 15 Check for any loose wiring Replace Refer service section 6 3 1 Replace Refer service section 6 3 1 Replace Refer service section 6 3 4 Replace Refer service section 6 3 7 For timer settings below 20 minutes always rotate past 20 minutes then back to desired time POSSIBLE CAUSE The mains isolating switch on the wall circuit breaker or fuses are off at the power board The power switch on the oven is off Incorrect electrical supply Refer fault diagnosis 6 1 1 Power switch on unit faulty Refer fault diagnosis 6 1 1 Door not closed Fan only operates with door closed Door microswitch out of adjustment Refer fault diagnosis 6 1 2 Door microswitch faulty Refer fault diagnosis 6 1 2 Fan mot
31. at setting with no cooking pan on the element or if the element has an unsuitable pan refer operating instructions that does not allow the element to dissipate it s heat the inbuilt temperature limiter will turn off one of the heating coils in the element to prevent the element from overheating 6 1 17 HOLDING TEMPERATURE INCORRECT Hold thermostat faulty With the power switch on and illuminated Roast n Hold switch on and illuminated and the roast 180 minute timer set to hold check that the hold indicator is illuminated With a cold oven ie room temperature check that the top outer and bottom oven elements only are heating Test the voltage across the bottom element and top element terminals at the rear of oven If the voltage is correct then refer Fault Bottom element not working trouble shooting section NOTE If the main thermostat is set to off vertical position and Roast n Hold mode is selected then only the bottom element will heat If there is no voltage at the element terminals check the voltage at terminal 2 top of the hold thermostat at bottom rear of control panel fig 6 3 12 If there is no voltage then check wiring If the voltage is correct and the thermostat is adjusted above oven temperature then check for output voltage at terminal 1 bottom If there is no voltage and the thermostat will not Switch on then the thermostat is faulty replace If the voltage is correct b
32. centre temperature for the next thermostat on and off cycle The thermostat should cycle on and off between 165 C and 195 C or 330 F and 385 F when set to the above temperature If oven temperature is outside these ranges then the thermostat requires recalibration NOTE Thermostat cycling span should be 15 C or 27 F Moffat Ltd April 2005 Convection Oven Revision 4 F3544 From Serial Number 232054 If no voltage at terminal 4 check the relay behind the control panel is energised i e voltage across terminals A and B If there is no voltage then check wiring from the hold switch If there is voltage then check that there is voltage at terminal 4 and terminal 7 of the hold relay If there is voltage at 7 but none at 4 and the relay is energised then relay is faulty replace If no voltage at 7 then check wiring To Serial Number 232053 If no voltage at terminal 4 then check mini contactor behind control panel is latched to the 1 position If contactor is in 1 position then check wiring If contactor is in 0 position when Roast n Hold switch illuminated then check the voltage across terminals A1 and A2 of mini contactor fig 6 1 3 If the voltage is correct but the contactor in the off 0 position then the contactor is faulty replace If there is no voltage across A1 and A2 then check wiring Roast n Hold switch faulty Check if the switch latches If the
33. e unit s electrical rating plate If incorrect check electrical connection of supply wiring and or check electrical supply Power switch faulty Check if power switch latches If the switch does not latch then switch is faulty replace With switch latched check voltage across terminal one to terminal three or four If there is no voltage check for fault in wiring Check voltage across terminal two to terminal three or four If there is no voltage then switch is faulty replace NOTE When power switch is latched it should illuminate if operating correctly 6 1 2 FAN DOESN T OPERATE Microswitch out of adjustment Open oven door and manually depress door microswitch actuator at top right of oven If this activates the fan then the microswitch actuator arm at rear of oven requires adjustment Microswitch faulty Check voltage across microswitch terminals to neutral With the door closed there should be power to the com terminal and the n o terminal With the door open there should be power to the com terminal and the n c terminal If not microswitch is faulty replace Microswitch n c n o Figure 6 1 1 Moffat Ltd April 2005 Convection Oven Revision 4 F3544 Ensure that the power switch on the unit is turned on and check for voltage at terminal 4 of the power relay If there is no voltage at 4 then check that the relay is energised i e voltage between terminals A and B If
34. eee en 31 6 3 17 21383 PEE 32 6 3 18 Inner GlASS Sel u dune fece e nan nee ane dan ste au 32 6 3 19 Door Seals sete e A e edel e e A 32 6 3 20 Door Pivot BUSNES i cies ceteri ancien ceive ee e ee eo eee eee 32 6 3 21 Cook TOD FUSES 32 6 3 22 Hob u E E E ETE a A A E 33 6 3 23 Hob Energy R gulators serae prebere recenter er ea Eee E ER ER ne ERR HERR 33 6 3 24 Hob Indicator Light ceret tn er e dan Ra qu t Sa Eee 33 6 3 25 Hob Centre Securing Std p i 33 6 4 ADJUSTMENT CALIBRATION maa u u uu uu u u u u 34 6 4 1 Thermosta t Galibrati n un eee ine t ec n PEE Feed 34 6 4 2 Door Microswitch Adjustment el Can 35 6 4 3 Door Alignimerit ett Er rere tere a ete te d ean AT 35 6 4 4 Hold Temperature Adjustment eene 35 6 4 5 60 Minute Timer Zero Position Adjustment 35 Convection Oven 20 Moffat Ltd April 5 Revision 4 F3544 Fan motor faulty Check the supply voltage across motor terminals If there is no voltage then check the electrical connections of supply wiring If voltage is correct then check the oven fan for free rotation Remove any obstruction If fan is free to spin
35. ent heating coil faulty Refer fault diagnosis 6 1 18 Element temperature limiter activated Refer fault diagnosis 6 1 19 5 2 HOB FAULT THE HOB DOES NOT OPERATE START REAR ELEMENTS DO NOT WORK FRONT ELEMENTS DO NOT WORK ONE ONLY ELEMENT DOES NOT WORK NO INDICATOR LIGHT NO HEAT CONTROL SLOW HEATING ON ELEMENT Moffat Ltd April 2005 18 Convection Oven Revision 4 F3544 6 SERVICE PROCEDURES OUT BY QUALIFIED PERSONS ONLY SECTION PAGE NO 6 1 FAULT DIAGNOSIS UI a dudes cbc seeds 21 6 1 1 Oven Does Not Operate Start 21 6 1 2 Fan Does Not Operate sise 21 6 1 3 Oven Light Not Illuminating Door Open 21 6 1 4 Oven Light Not Illuminating Door Closed 21 6 1 5 60 Minute Timer No Time Up Buzzer 22 6 1 6 60 Minute Timer No Time Up 22 OT NO ROBE SEES e edad EP EORR IN sete SKATE IRR ka 22 6 1 8 No Temperature Control ss 23 6 1 9 Slow oiii ied ro En FER antenne Ne NER RE 23 6 1 10 Bottom Element Not Working 23 6 1 11 Top Element Not Working In Bake Mode Not Grill Broil 23 6 1 12 No Thermostat Heating 10060360 23 6 1 13 Grill Not Working sisi 24 6 1 14 Grill Indicator Not Worki
36. er service section 6 3 4 Replace Refer service section 6 3 3 Replace Refer service section 6 3 8 Adjust to correct temperature Refer service section 6 4 4 Replace Refer service section 6 3 10 Correctly position tray in rack Correctly install door seal Refer service section 6 3 19 Fit correctly Refer installation section Adjust Refer service section 6 4 3 Replace Refer service section 6 3 20 Replace Refer service section 6 3 19 Correctly install door seal Refer service section 6 3 19 Adjust Refer service section 6 4 3 Replace Refer service section 6 3 20 POSSIBLE CAUSE Roast n Hold switch not depressed No power to timer timer faulty Refer fault diagnosis 6 1 15 Roast n Hold switch faulty Refer fault diagnosis 6 1 15 Faulty indicator Refer fault diagnosis 6 1 16 Faulty timer Refer fault diagnosis 6 1 16 Hold thermostat set temperature incorrect Hold thermostat faulty Refer fault diagnosis 6 1 17 Tray in way of door Door seal obstruction Door handle installed incorrectly Door ball catch setting incorrect Door pivot bushes pins worn Door seal damaged Door seal incorrectly fitted Door ball catch setting incorrect Door pivot bushes pins worn FAULT ROAST TIMER 180 MINUTE WILL NOT TIME DOWN NO HOLD INDICATOR HOLDING TEMPERATURE INCORRECT DOOR DOES NOT CLOSE DOOR SEAL LEAKS
37. fed from the oven thermostat switch is therefore On in conjunction with the top element inner coil when the thermostat is set to the Grill position As both the top inner and outer element coils are thermostatically controlled the elements will cycle On Off with the door closed as the thermostat setting in the Grill position is 300 C 600 F If the Grill position is selected with the door open the elements will remain On continuously and the circulation fan will be turned Off The control panel Grill indicator will illuminate when the thermostat is set to the Grill position and will cycle On and Off with the main heating indicator light The E311 Turbofan convection oven features a Roast and Hold system which can be used to automatically set the oven to a fixed holding 3 3 EXPLANATION OF CONTROL SYSTEM The E9311 Turbofan convection oven range features multi function operator controls for which a correct understanding of their operation is required before carrying out any service or fault repair work The control device functions are explained as follows These are broken into separate sections for the oven and hob Convection Oven The oven is electrically independent of the hob and has it s own electrical supply and connection A power switch on the control panel isolates all power to the controls of the oven With the power switch Off all functions of the oven are inoperable NOTE The supply voltage is fed directly to
38. h isolates power from the timer motor and the oven thermostat It also switches power back to the oven hold Moffat Ltd April 2005 Convection Oven Revision 4 F3544 4 MAINTENANCE WARNING ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY OVEN SEALS To remove hold at their centre point and pull forward until they unclip Remove side seals first then top and bottom The seals may be washed in the sink but take care not to cut or damage them To replace ensure that the lip is facing the oven opening Fit the top and bottom seals first then the side seals OVEN DOOR GLASS Clean with conventional glass cleaners COOK TOP ELEMENTS Remove all spillovers with a damp cloth as soon as possible When cool the element may be cleaned with a nylon scourer or a damp cloth and domestic cleaning powder Do not scratch or scrape the surface After cleaning wipe surface with a clean damp cloth Dry the element by switching it on for a short time and then wipe just a trace of cooking oil over the surface This is particularly important if the cooktop will not be used for a period of time Use clean dry saucepans as water salt condensation and spillovers can cause hot plate corrosion Specialised cleaners readily available for domestic cooktops are also recommended With regular use they will build up a protective coating on the element surface and make future cleaning easier
39. l power supply to the oven thermostat is iso lated A second normally open switch pole is closed and this provides power to the 3 hour roast timer If the roast timer is in the Hold vertical position the timer switch contacts will be in their normally closed position and supply power directly to the Hold thermostat located behind the control panel The Hold thermostat is factory set to 75 C 167 F and will directly supply power to the bottom heating element as required to maintain its preset temperature If the main thermostat is turned On power will also be supplied to the top outer element coil through the first switch contact of the thermostat front switch assembly In this case the thermostat heating light will also cycle On Off as the Hold thermostat maintains temperature In the Roast and Hold mode the 3 hour timer can be set to a selected roasting time During this time period the normally open switch contacts of the timer are closed The timer has two change over switches and in this position one is used to supply power to its timing motor and the other is used to switch power directly to the main oven thermostat During the 3 hour timer run down period the oven temperature will be controlled by the main oven thermostat to the set temperature and operate as previously described When the 3 hour timer has run down and reached the Hold position the two switch contacts change over to their normally closed position whic
40. n Oven Revision 4 F3544 3 Remove LH screw whilst supporting the door Lift bracket and remove door from oven LH Screw Figure 6 3 22 4 Remove screws securing door handle Figure 6 3 23 5 Remove two screws in top trim and two screws in bottom trim of door and remove trim panels Two Screws Two Screws Figure 6 3 24 6 Lift outer glass away from door 7 To replace ensure that the two silicone rubber seals are in place on the left hand and right hand side of the door frame Clean the inside of the glass and refit it ensuring that the silicone rubber seals cover the outer edges of the glass Refit the bottom trim Two Screws 6 3 15 MOTOR 1 Remove fan refer 6 3 15 and then 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 Screws 4 60 Hz Terminal 50 Hz x Terminal j ermina Ground Figure 6 3 19 3 Remove three screws holding motor to bracket and remove motor Three Screws Figure 6 3 20 4 Replace and re assemble in reverse order 5 Ensure wire connections are correct to the voltage supply 60 Hz 50 Hz fig 6 3 23 6 3 16 OUTER GLASS 1 Open door 2 Undo two screws securing Turbofan cover plate to oven and remove cover plate Figure 6 3 21 Moffat Ltd April 2005 Convection Oven Revision 4 F3544 31 6 3 20 DOOR
41. nergy regulator that switches the element off in the OFF position turns the element on continuously in the HI position and in between cycles the element on off to create different heat control The control indicator light will be illuminated whenever a heat setting is selected to indicate that the element is operating It does not cycle on off with the element on off cycling The Troubleshooting Guide should be used to identify any incorrect oven operation On correct identification of the operating fault the Troubleshooting Guide will make reference to the corrective action required or refer to the Fault Diagnosis section and or Service section to assist in correction of the fault temperature at the end of a timed cooking period From serial number 232054 When the Roast and Hold switch is turned On the switch will illuminate and turn on a relay found on the inside of the control panel This relay has two poles with changeover contacts but only one pole is used When this relay is switched On the normally closed contact opens isolating the normal power supply to the oven thermostat and the normally open contact closes supplying power to the 3 hour roast timer To serial number 232053 When the Roast and Hold switch is turned On the switch will illuminate and turn on a mini contactor found on the inside of the control panel When this relay is switched On a normally closed switch pole on the contactor is open and the norma
42. ng Check for continuity from terminals N to neutral on supply terminal block If no neutral supply check wiring With switch in off position there should be no voltage at terminal 2 open circuit between terminal 5 and terminal 2 With control set to a LO to HI heat setting terminal 2 should be switched on If not energy regulator is faulty replace With switch in off position there should be no voltage at terminal 3 open circuit between terminal 5 and terminal 3 With control set to a LO to HI heat setting terminal 3 should be switched on If not energy regulator is faulty replace Above checks can be made with or without electrical supply switched on however with electrical supply on the terminal 3 element supply will cycle on off at different time ranges dependent on control setting To check for correct energy regulator on off cycling electrical supply needs to be on With control set to full on HI position terminal 3 power to element should be on continuously With control set to position 5 terminal 3 power to element should cycle on for approximately eight seconds and off for approximately 12 seconds Lower settings will give longer off times and shorter on times whilst higher settings will give shorter off times and longer on times Element temperature limiter tripped Each of the hot plate elements has an inbuilt non serviceable temperature limiter If the element is set to a high he
43. ng 24 6 1 15 Roast Timer 180 Minute Will Not Time Down 24 6 1 16 No Hold Indicat r sanana edic tnr ri deeds 24 6 1 17 Holding Temperature incorrect 25 6 1 18 Hob Element Does Not Work 25 6 1 19 Hob Heat Not Controlled 01760 ss 25 6 2 ACCESS Ec 26 6 2 1 Control Panel e tete a TANI ide ta 26 6 2 2 Service Panel Rear Panel ss 26 SPAECIILUIT 26 6 2 4 Control Panel Real ii ete tbe ga c e tn Ete hee EE de d 26 6 2 5 Hob COOK TOP eue eds itte m i eg e een ice ter Uere sepes 27 6 2 6 Hob uyawan uku E e tee Lee rne Hate redes 27 Lis edge 27 6 3 1 Light Bulb 7 Glass he teh ertet ett rper Et cedent ina debet 27 6 3 2 Door MIGrOSWIICh eco teet orc Pre ete eed telas be ES 27 6 3 3 Indicator Neon Lighit tert ee tet ret bn tete dade 27 6 3 4 Power Roast Lights Switches 28 6 3 5 Power Relay From S N 232054 28 B G BUZZO ELE 28 6 3 7 sc CXII 28 6 3 8 ROAST LN 29 6 3 9 Th rmostat uu eara iei ecce tects ett tton 29 6 3 10 Hold TMG isle ii M E 29 6 3 11 Hold Relay From S N 232054 30 6 3 12 Mini Contactor To S N 232053 30 6 18 30 Moffat Ltd April 2005 Convection Oven Revision 4 F3544 6 3 14 E MR een 30 6 32 15 MOO Ems 31 6 3 16 Outer Glass aes aa cet er tee rz S ee d baee
44. ontrol panel holding thermostat Screws Figure 6 4 2 4 The thermostat can now be removed Moffat Ltd April 2005 Convection Oven Revision 4 F3544 6 4 4 HOLD TEMPERATURE ADJUSTMENT 1 The hold temperature of the oven can be adjusted by turning the hold thermostat dial to the desired hold temperature This dial is located inside the control panel Hold Thermostat Dial Figure 6 4 9 6 4 5 60 MINUTE TIMER ZERO POSITION ADJUSTMENT 1 Remove 60 minute timer knob by pulling it firmly away from control panel 2 Open control panel refer 6 2 1 Loosen two screws on control panel holding 60 minute timer Two Screws Figure 6 4 10 3 The timer can now be rotated as required to ensure that the buzzer sounds at the zero position 6 4 2 DOOR MICROSWITCH ADJUSTMENT 1 Open oven door 2 Remove service panel refer 6 2 2 3 With fingers bend actuator arm of microswitch so that switch operates when door is in closed position p Actuator Arm Figure 6 4 6 6 4 3 DOOR ALIGNMENT 1 Alignment of the door can be achieved by loosening the two hex head bolts securing the bottom plate to the oven body The plate may now be moved sideways or in out to achieve correct door alignment Door should be parallel to bottom plate and touching oven seal evenly When correct tighten bolts Two Hex Head Bolts Figure 6 4 7 2 To adjust the door catch loosen locknut and turn the slot u
45. or faulty Refer fault diagnosis 6 1 2 Wiring Blown bulb No power to light Refer fault diagnosis 6 1 3 Blown bulb Light switch faulty Refer fault diagnosis 6 1 4 Timer faulty Timer not set correctly 5 1 OVEN FAULT THE OVEN DOES NOT OPERATE START FAN DOESN T OPERATE OVEN LIGHT NOT ILLUMINATING DOOR OPEN OVEN LIGHT NOT ILLUMINATING DOOR CLOSED 60 MINUTE TIMER WILL NOT TIME DOWN 60 MINUTE TIMER INACCURATE BELOW 20 MINUTES Moffat Ltd April 2005 15 Convection Oven Revision 4 F3544 REMEDY Refer service section 6 4 5 Replace Refer service section 6 3 6 Replace Refer service section 6 3 7 Replace Refer service section 6 3 3 Replace Refer service section 6 3 5 Replace Refer service section 6 3 11 Replace Refer service section 6 3 9 Replace Refer service section 6 3 9 Switch off Roast n Hold Reduce oven loading Check supply voltage is as per rating plate voltage Check fan operation Correct calibration Refer service section 6 4 1 Correct element fault Refer Fault Top element Fault Bottom element Replace Refer service section 6 3 13 Replace Refer service section 6 3 13 Replace Refer service section 6 3 3 Replace Refer service section 6 3 13 Replace Refer service section 6 3 3 POSSIBLE CAUSE Zero time up position not set correctly
46. ot affect the operation of the element UTENSILS To conserve power and achieve the best cooking results saucepans should have close fitting lids and heavy duty flat bases which remain flat when heated Do not use woks very small saucepans or those with buckled or bowed bases as this could waste power lengthen the cooking time shorten the life of the element and make cleaning difficult Convex base Concave base Wet base heat loss heat loss corrosion Too small corrosion heat loss 3 2 COOK TOP HOB IMPORTANT DO NOT PLACE HOT COOKING VESSELS ON CONTROL AREA 1 ELEMENT CONTROL Each control knob can be turned in either di rection and set to provide any level of heating between HI and LO Start cooking at the highest setting and change to a lower setting when the desired temperature has been reached Disc elements have the ability to store heat so cooking is able to continue for a time after the element has been switched off 2 INDICATOR LIGHTS An indicator light is provided for each element and will illuminate whenever the element is switched on Moffat Ltd April 2005 Convection Oven Revision 4 F3544 circuit and elements is supplied via a power relay located near the terminal block at the rear of the unit Although the power relay has two poles with changeover contacts only the normally closed contact on one pole is used the other is redundant When the power switch
47. ount 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 kuwa m 1 N 1 1 n 8 1 11P1Ir1Y12 1 8m 3 PRPZLmmP J n Convection Oven 48 O Moffat Ltd April 2005 Revision 4 F3544 APPENDIX A POWER RELAY UPGRADE KIT Kit part no 024563 includes 1 x Power relay 2 x Screw 8 x truss 1 X 160mm black wire 1 X 180mm red wire 1 X 950mm red wire 1 x 1050mm red wire Assembly Instructions THE ELECTRICAL SUPPLY MUST BE DISCONNECTED 1 Remove the rear service panel 2 Mark and drill 2x 3 5mm holes as per figure 1 3 Mount relay to holes with 2 screws provided NOTE Terminals on relay must face upwards 4 Connect 160mm black wire to vacant neutral L2 terminal on terminal block and to terminal B on relay 5 Connect short 180mm red wire to vacant phase L1 terminal on terminal block and to terminal 7 on relay 6 Connect long thick red wire 950mm to power relay terminal 4 and remaining long thin wire 185 1050mm to relay terminal A Feed these Figure 1 wires through the plastic bush in the rear of the oven and into the control cavity 7 Loosen screws and open the control panel 8 Rem
48. ove and discard wire from terminal 2 on the power switch to terminal 21 on the mini contactor inside the control panel Locate end of thick red wire previously fed into control cavity and connect to terminal 21 of the contactor Power switch 9 Locate long thin red wire and connect to terminal 2 on the power switch 10 Close and fasten control panel taking care not to trap any wires 11 Replace and fasten rear service panel Mini contactor Figure 2 Convection Oven 49 Moffat Ltd April 2005 Revision 4 F3544 Circuit schematic new wires shown in bold 270 ELEMENT 48 4 7 pue III sol IICROSWITCH a l c0 b Figure 3 Utensils Direct 0845 873 6600 www utensilsdirect co uk Convection Oven 50 Revision 4 F3544
49. r is faulty replace If there is no voltage then check wiring Terminal A1 Terminal 21 Contact Indicator Mot I e O Terminal 22 Terminal A2 Figure 6 1 5 NOTE There should be no voltage across these terminals when Roast n Hold is not selected If the indicator is in position 1 with no voltage across A1 and A2 then the contactor is faulty replace Thermostat faulty Set thermostat to 200 C or 400 Check the voltage out of terminal 2 on the thermostat If there is no voltage then the thermostat is faulty replace If the voltage is correct and the heating light is on then check all wiring to elements 6 1 8 NO TEMPERATURE CONTROL Thermostat faulty With thermostat in off vertical position the heating indicator should be off If not then the thermostat is faulty replace Check that the thermostat phial is in correct location and check for broken capillary tube replace if damaged Place an accurate digital thermometer probe in centre of oven Set thermostat to 180 C or 355 F Close the oven door and allow oven thermostat to regain temperature If the temperature overshoots by 50 C and continues switch off and replace 6 1 9 SLOW RECOVERY Thermostat out of calibration Place an accurate digital thermometer probe in centre of oven Set thermostat to 180 C or 355 F Close the oven door and allow oven thermostat to cycle on and off twice Record oven
50. sing the tool supplied with the unit anticlockwise to increase roller height clockwise to decrease roller height Adjustment Tool Locknut Figure 6 4 8 O Moffat Ltd April 2005 Convection Oven Revision 4 F3544 Convection Oven Revision 4 F3544 Moffat Ltd April 2005 36 M0002 Bond 3snd vst 1331 9 MOOS L O V 07 sdwv 2 QVO TXVIN dODIOOD 0061 ISNA vst MOOS L 7 o Wad 9 9 8 oI H LIMS d3MOd JHL ON zH09 1 2 a ES 250 4 H3Zzna n NIL N OV 07 sdwy MAFFE QVOTXVIN NJAO 7 N3AO HOLIMS OHDIW dol o d HOLIMS 9 e YANNI WOLLOE THYS O LVIS L 7 From Serial Number 232054 7 ELECTRICAL CIRCUIT SCHEMATICS To Serial Number 232053 O VW E o da 4 E 95 709 ry c o o on D N z EX FE N AN TE mm Eg 2 x 31 TES ao JA QE 65 T a ME Ed E
51. ut the bottom element is not working then check wiring 6 1 18 HOB ELEMENT DOES NOT WORK Element faulty Remove red wire from terminal 4 black wire from terminal 1 and remove two terminal links Check element coil resistances are correct Terminals Terminals Terminals 1 4 2 4 2 3 68 ohms 200 ohms 100 ohms 61 ohms 169 ohms 61 ohms 1500 W 2000 W An open circuit indicates faulty element coil replace element If above readings are correct check insulation resistance of each element coil by checking each element terminal to earth ground or conduct megger or dielectric withstand test on element A short to earth ground indicates faulty element replace If element passes above tests then check wiring Moffat Ltd April 2005 Convection Oven Revision 4 F3544 6 2 5 6 2 3 BAFFLE 1 Remove trays racks element cover and left hand side rack 2 Undo lamp cover 6 2 1 CONTROL PANEL 1 Open the oven door Remove the micro switch button by pulling straight off 2 Undo the two screws now visible Microswitch Button Side Element Rack Guard Two Screws Figure 6 2 4 3 Remove baffle Figure 6 2 1 3 Panel is now free to hinge along right hand side When closing the panel ensure wires and capillary tube are clear of metal or other terminals 6 2 4 CONTROL PANEL REAR Buzzer Power Switch Heating Indicator Grill Broil Indicator Thermostat Bake Time Up Indicator
52. ut the top inner grill element is not functioning check the voltage at the top inner element coils at rear of oven If the voltage is correct then check current draw of element If there is no current draw then element is faulty replace NOTE Top inner element current draw 220 240 V 7 8 5 6 1 14 GRILL INDICATOR NOT WORKING Indicator faulty Check the voltage across the indicator terminals If the voltage is correct then indicator is faulty replace If there is no voltage then check wiring 6 1 15 ROAST TIMER 180 MINUTE WILL NOT TIME DOWN No power to timer Check the voltage at terminal 5 on underside of the 180 minute timer Check that one lead of timer motor is connected to terminal 5 of timer and the other lead is connected to neutral of Roast n Hold switch If voltage at terminal 5 is correct and wiring is correct then the timer motor is faulty replace timer If there is no power at terminal 5 check for power supply at terminal 4 of timer If there is voltage at terminal 4 and not at terminal 6 with timer set then timer switch is faulty replace timer Terminal 1 Terminal 2 Terminal 5 Terminal 6 Terminal 3 Figure 6 1 7 Convection Oven Revision 4 F3544 6 1 19 HOB HEAT NOT CONTROLLED CORRECTLY Energy regulator faulty Ensure that the energy regulator fitted is correct type NZC Model TC108 15A 240V ac Check voltage to terminal 5 If no voltage check wiri
53. vection Oven Revision 4 F3544 Thermostat Figure 6 4 3 5 Carefully remove two screws holding grill broil switch to thermostat HINT Tape grill broil switch assembly together before removal to prevent it from springing apart Screws Grill Broil Switch Figure 6 4 4 7 Adjust the calibration nut located at the base of the thermostat shaft To increase oven temperature turn calibration nut anticlockwise To decrease oven temperature turn calibration nut clockwise Adjustment of the calibration nut by 1 angular will alter oven temperature by approximately 2 C 3 6 F Calibration Nut Figure 6 4 5 8 Reassemble grill broil switch onto thermostat and fit assembly back onto control panel 9 Turn on power and recheck oven thermostat calibration 10 Repeat procedure if necessary 6 4 ADJUSTMENT CALIBRATION 6 4 1 THERMOSTAT CALIBRATION _ TEMPERATURE INCREASED IF THE OVEN NEEDS TO BE ENSURE THAT THE THERMOSTAT IS IN THE OFF POSITION BEFORE CARRYING OUT ADJUSTMENT IF OVEN TEMPERATURE NEEDS TO BE DECREASED ENSURE THERMOSTAT IS IN THE MAX TEMPERATURE POSITION BEFORE CARRYING OUT ANY ADJUSTMENT Calibration Nut Thermostat Shaft ill Broil Switch Thermostat Figure 6 4 1 1 Turn off power 2 Remove thermostat knob by pulling it firmly away from control panel 3 Open control panel refer 6 2 1 Remove two screws on c

Blue Seal E311 Service manual

Contents

Download Pdf Manuals

Related Search

Related Contents