Merrychef Mealstream 500 Servisní příručka

402s Ovens Pt. No. 32Z3522 Issue 6 1 402s US Models including WAWA SERVICE& PARTS MANUAL SERVICE MANUALVersion 3.0 CAUTION MICROWAVE EMISSIONS D

402s Ovens Pt. No. 32Z3522 Issue 6 10 PRINCIPAL COMPONENTS: Right Side No. Description Part No. 1 Cavity High limit Stat 30Z1024 2 Motor Start Ca

402s Ovens Pt. No. 32Z3522 Issue 6 11 PRINCIPAL COMPONENTS: Left Side No. Description Part No. 3 Filter 16A 30Z1340 4 Air filter SA276 5 Stirrer m

402s Ovens Pt. No. 32Z3522 Issue 6 12 PRINCIPAL COMPONENTS: Control Box No. Description Part No. 11 Fuse 10A HRC 30Z0217 12 Gold resistor ( 220R )

402s Ovens Pt. No. 32Z3522 Issue 6 13 PRINCIPAL COMPONENTS: Back view No. Description Part No. 20 Heater Element 208V 650W 68Ω DV0328 20 Heater Elem

402s Ovens Pt. No. 32Z3522 Issue 6 14 PRINCIPAL COMPONENTS: Power Supply No. Description Part No. 3 Filter 16A 30Z1340 11 Fuse 10A HRC 30Z0217 19

402s Ovens Pt. No. 32Z3522 Issue 6 15 * Parts 35 & 37 Contact Service Department PRINCIPAL COMPONENTS No. Description Part No. 35* Grease Filt

402s Ovens Pt. No. 32Z3522 Issue 6 16 PRINCIPAL COMPONENTS *Note: On Ovens with Serial No.s before 000745 ( WAWA Models ) External Panels Items 41,4

402s Ovens Pt. No. 32Z3522 Issue 6 17 PRINCIPAL COMPONENTS Electronic Control Panel Assembly No. Description Part No. 53 MenuKey Dust Cover DV00

402s Ovens Pt. No. 32Z3522 Issue 6 18 Part number identification chart 1 Ref. No. Description Part No. 1 Cavity High limit Stat 30Z1024 2 Moto

402s Ovens Pt. No. 32Z3522 Issue 6 19 Part number identification chart 2 *Note: On Ovens with Serial No.s before 000745 ( WAWA Models ) Grease Fil

402s Ovens Pt. No. 32Z3522 Issue 6 2 Microwave safety precautions ...3 Safety code...

402s Ovens Pt. No. 32Z3522 Issue 6 20 Please Note DO NOT attempt to carry out the following procedure unless you have the following tools. Tools requ

402s Ovens Pt. No. 32Z3522 Issue 6 21 Test for microwave leakage at all points marked with a • Readings must be below 4mW/cm². If a level greater

402s Ovens Pt. No. 32Z3522 Issue 6 22 PROCEDURE FOR POWER OUTPUT MEASUREMENT The power output specification 1500W on this model is established under

402s Ovens Pt. No. 32Z3522 Issue 6 23 1. Power Transformer Test You will need: A Digital Multi-meter (D.M.M.) A Megger or similar resistance meter

402s Ovens Pt. No. 32Z3522 Issue 6 24 PROCEDURES FOR PRINCIPAL COMPONENTS TEST (2) 3. High Voltage Rectifier Test You will need: A Megger or simi

402s Ovens Pt. No. 32Z3522 Issue 6 25 1. Monitor switch The Monitor switch will produce a short circuit across the mains supply when the door is ope

402s Ovens Pt. No. 32Z3522 Issue 6 26 WARNING Before adjusting the microswitch assemblies ensure that the oven has been isolated from the electrical

402s Ovens Pt. No. 32Z3522 Issue 6 27 PRINCIPAL COMPONENTS: Hot Air Motor & Controller 1 Convection and Fan Speed Control The convection heat is

402s Ovens Pt. No. 32Z3522 Issue 6 28 LED Meaning Position LED Off Inverter Off / No supply Long On & Off (1sec) Power On / Ready LED On

402s Ovens Pt. No. 32Z3522 Issue 6 29 CIRCUIT DIAGRAM: Issue 16

402s Ovens Pt. No. 32Z3522 Issue 6 3 CAUTION WARNING TO SERVICE TECHNICIANS PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE

402s Ovens Pt. No. 32Z3522 Issue 6 30 Note : The following Diagnosis procedures may not expose all possible errors but have been included for general

402s Ovens Pt. No. 32Z3522 Issue 6 31 Check cable from logic PCB to display is in place and no obvious wires are disconnected or shorted. Still Have

402s Ovens Pt. No. 32Z3522 Issue 6 32 Check Current using clip on current meter through F7 and F8. When running Microwave only. You will need to rese

402s Ovens Pt. No. 32Z3522 Issue 6 33 Report to Management and Make Investigation Check Temperature Sensor Resistance OK Re-Start Oven Activate Pre-h

402s Ovens Pt. No. 32Z3522 Issue 6 34 Remove and Clean Air Filters. If Dirty—Advise operating staff of the need for this to be carried out on regular

402s Ovens Pt. No. 32Z3522 Issue 6 35 APPENDIX 1: TEMPERATURE SENSOR RESISTANCE DATA Temp °F Temp °C Min. Rate kΩ Standard Rate kΩ Max. Rate kΩ

36402s Ovens Part. No. 32Z3522 Issue 6APPENDIX 2: MenuKey Version 2.0 models123Lift the MenuKey cover in the top front panel of the oven and put th

37402s Ovens Part. No. 32Z3522 Issue 6APPENDIX 2: MenuKey Version 3.0 models123Lift the MenuKey cover in the top front panel of the oven and put th

402s Ovens Pt. No. 32Z3522 Issue 6 38 APPENDIX 3: Cool Down Procedure Action EC402s V2.0 EC 402s V3.0 To commence Cool Down procedure Press Plac

39402s Ovens Part. No. 32Z3522 Issue 6APPENDIX 3: CLEANING: 1For the oven to operate at peak effi ciency, the cavity, door and air fi lters and grease

402s Ovens Pt. No. 32Z3522 Issue 6 4 This manual is designed to assist engineers who have been on a recognised product familiarisation and training c

40402s Ovens Part. No. 32Z3522 Issue 6• ALWAYS switch off at the electrical supply and allow oven to cool before cleaning• CAUTION: Allow the oven

402s Ovens Pt. No. 32Z3522 Issue 6 41 APPENDIX 4: Recommended spares lists USA Part Number Description Qty Unit First Aid Kit Service Kit 1-5 Ov-

402s Ovens Pt. No. 32Z3522 Issue 6 42 APPENDIX 4: Recommended spares lists USA CONT. Part Number Description Qty Unit First Aid Kit Service Kit 1

402s Ovens Pt. No. 32Z3522 Issue 6 43 Display Connecter Relay PCB 15 way Connecter Motor speed controller Membrane panel connector MenuKey Socke

402s Ovens Pt. No. 32Z3522 Issue 6 44 APPENDIX 5: Relay PCB Connection Points and key features. AC input from Aux Transformer D20 LED ON when power

402s Ovens Pt. No. 32Z3522 Issue 6 45 1. Switch the oven OFF 2. Switch ON and immediately press Edit Preheat to show the ENTER PREHEAT TEMP screen.

402s Ovens Pt. No. 32Z3522 Issue 6 46 CODEKEY Reference ( See Table 1 for abbreviations description) Version 3 Part No. 31Z7066 3.0LD 402s Large D

402s Ovens Pt. No. 32Z3522 Issue 6 47 2.1 Power up the oven and verify the Firmware version that is loaded into the oven. 2.0 How to check your Fir

402s Ovens Pt. No. 32Z3522 Issue 6 48 PCB Visual Check Hardware fitted against PCB visual Supports Oven Upgrade to V3 Allowable Version / Firmware S

402s Ovens Pt. No. 32Z3522 Issue 6 49 PCB Visual Check Hardware fitted against PCB visual Supports Oven Upgrade to V3 Allowable Version / Firmware S

402s Ovens Pt. No. 32Z3522 Issue 6 5 Power Requirements 208Volts 240Volts 208V ac 60Hz 30Amp 2P & G 240V ac 60Hz 40Amp 2P & G Power Output

402s Ovens Pt. No. 32Z3522 Issue 6 50 After I minute the Oven will boot-up immediately press the PAUSE pad to hold the oven information screen. OV

402s Ovens Pt. No. 32Z3522 Issue 6 51 4.3 To confirm a successful download check that the Software Version on the oven and the CODEKEY fob Label are

402s Ovens Pt. No. 32Z3522 Issue 6 6 Installation Instructions for Mealstream Combination Ovens Power Supply Requirements The Mealstream Series shou

402s Ovens Pt. No. 32Z3522 Issue 6 7 h DOOR The door consists of a thermally insulated inner section, and an additional air gap provided by a twin s

402s Ovens Pt. No. 32Z3522 Issue 6 8 Electronic control panel: Version 2.0 MAIN FEATURES CANCEL PAD Cancels all timed cooking cycles, pre-programmed

402s Ovens Pt. No. 32Z3522 Issue 6 9 Electronic control panel: Version 3.0 MAIN FEATURES CANCEL PAD MAIN DISPLAY PANEL COOL DOWN FUNCTION PADS FU