V-ZUG Miwell V4000 Service Manual
  1. Manuals
  2. Brands
  3. V-ZUG Manuals
  4. Oven
  5. Miwell V4000
  6. Service manual

V-ZUG Miwell V4000 Service Manual

Hide thumbs Also See for Miwell V4000:
Table of Contents

Advertisement

Quick Links

Download this manual
V-ZUG SERVICE MANUAL
Miwell V4000
CM4T-24025

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Miwell V4000 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for V-ZUG Miwell V4000

Summary of Contents for V-ZUG Miwell V4000

  • Page 1 V-ZUG SERVICE MANUAL Miwell V4000 CM4T-24025...

  • Page 2: Table Of Contents

    This document is intended for technically qualified professionals who are familiar with the relevant safety regulations. This document is subject to change. Content CAUTIONS ........................1 WIRING DIAGRAM ....................... 2 INSTALLATIONS ......................3 INSTALLING ........................3 EARTHING INSTRUCTIONS ..................3 SERVICE INFORMATION ...................
  • Page 3 ............................10 PRIMARY INTERLOCK SWITCH TEST ..............10 SECONDARY INTERLOCK SWITCH TEST ............10 MONITOR SWITCH TEST ....................10 COMPONENT TEST PROCEDURE ................11 TROUBLE SHOOTING ....................15 ISSUE HANDLING: 1. Fuse is tripping................17 ISSUE HANDLING: 2. Oven does not operate at all .............. 18 ISSUE HANDLING: 3.

  • Page 4: Cautions

    CAUTIONS Unlike other applianc es, the microwav e oven is MICROW AVE RADIATION high-voltage and high-curr ent equipment. Personnel should not be exposed to the Though it is free from danger in ordinary use, microwave energy which may radiate from the extreme care should be taken during repair.

  • Page 5: Wiring Diagram

    WIRING DIAGRAM *Note: The manual may update without prior notice. Please download the latest version of original files in this manual...

  • Page 6: Installations

    INSTALLATIONS BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. INSTALLING EARTHING INSTRUCTIONS 1. Empty the microwave oven and clean inside it with This microwave oven is designed to be used in a fully a soft, damp cloth. Check for damage such as earthed condition.

  • Page 7: Service Information

    SERVICE INFORMATION TOOLS AND MEASURING INSTRUMENTS NECESSARY TOOLS NECESSARY MEASURING INSTRUMENTS Tools normally used for TV servicing are sufficient. • TESTER(VOLTS-DC, AC., Ohmmeter) Standard tools are listed below. • Microwave survey meter • Diagonal pliers - Holaday HI-1500 • Long nose pliers HI-1501 •...

  • Page 8: Measurement With Outer Case Removed

    MEASUREMENT WITH OUTER CASE NOTES WHEN MEASURING REMOVED • Do not exceed meter full scale deflection. • The test probe must be moved no faster than 1 • When you replace the magnetr on, measur e for inch/sec (2.5 cm/sec) along the shaded area, microwav e energy leakage before the outer case is otherwis e a false reading may result.

  • Page 9: Disassembly And Adjustment

    DISASSEMBLY AND ADJUSTMENT 1. OUTER COVER REMOVAL 1) Loose screws on top and take out the top outer cover. 2) Turn to the backside, loose screws and take out the back one. 3) Loose screws on both sides, then take out the left and right one in turn.

  • Page 10: Door Assembly And Control Panel Assembly Removal

    2. DOOR ASSEMBLY AND CONTROL 4. ELECTRICAL PARTS REMOVAL PANEL ASSEMBLY REMOVAL 1) Loose screws and remove the H.V. transformer. 1) Open the door to 90 ° , lift up the hinge lock and 2) Then the magnetron. Also take out the thermostat and its bracket on top.

  • Page 11: Top Insulated Plate Removal

    5. TOP INSULATED PLATE REMOVAL 7. POWER BOARD REMOVAL 1) Turn around the whole unit. 1) Remove the LED bulb first. 2) Loose screws and take out the convection motor. 2) Then loose screws and take out the top insulated 3) Disconnect the wires leading to the power board.

  • Page 12: Heaters And Stirrier Assembly Removal

    9. HEATERS AND STIRRIER ASSEMBLY REMOVAL 1) Loose screws inside the cavity and nuts on backside. Then take out the top heater. 2) The bottom heater is the next one. 3) Loose screws fixed on the splash cover and remove it. 4) Take out the stirrer assembly and disassemble Bottom Heater...

  • Page 13: Interlock Continuity Test

    INTERLOCK CONTINUITY TEST WARNING : FOR CONTINUED PROTECTION AGAINST EXCESSIVE RADIATION EMISSION, REPLACE ONLY WITH IDENTICAL REPLACEMENT PARTS. TYPE NO. KW3A FOR SWITCHS PRIMARY INTERLOCK SWITCH TEST SECONDARY INTERLOCK SWITCH TEST Disconnect the wire from the secondary When the door release button is depressed slowly with the door closed, an audible click should be switch.

  • Page 14: Component Test Procedure

    COMPONENT TEST PROCEDURE CAUTIONS 1. DISCONNECT THE POWER SUPPLY CORD FROM THE OUTLET WHENEVER REMOVING THE OUTER CASE FROM THE UNIT. PROCEED WITH THE TEST ONLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND DISCONNECTING THE WIRE FROM THE PRIMARY WINDING OF THE HIGH VOLTAGE TRANSFORMER.
  • Page 15 COMPONENTS TEST PROCEDURE RESULTS Antenna Gasket Chassis Filament NOTE: When testing the magnetron, be sure to install the magnetron gasket in the correct position and be sure that the gasket is in good condition. HIGH VOLTAGE Measure the resistance. (Ohm- Normal: Momentarily indicates CAPACITOR meter scale: Rx1000)
  • Page 16 COMPONENTS TEST PROCEDURE RESULTS FUSE Check for continuity of the fuse with a Normal Abnormal multi-meter. NOTE: If the fuse is blown, check the primary, the secondary, and the monitor switches, H.V.D. and H.V.C. before replacing the fuse. If the fuse is blown by improper switch operation replace the defective switch and the fuse at the same time.
  • Page 17 COMPONENTS TEST PROCEDURE RESULTS Check for PCB connector. L.V.Transformer of PCB Normal Abnormal Disconnect the 3-pin (Refer to schematic diagram) connector from P.C.B. Cooking start RELAY 2, RELAY 3 Relay 3 OF P.C.B. (Wires disconnected) Relay 1 Note: Relay Relay 1: Fan motor Turntable motor Oven lamp Relay 2: Microwave...

  • Page 18: Trouble Shooting

    TROUBLE SHOOTING WHEN RECEIVING A COMPLAINT FROM A CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF THE FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF THE MICROWAVE OVEN. THIS CAN ELIMINATE UNNECESSARY SERVICE CALLS. CAUTIONS 1. Check grounding before checking for functional issues. 2.
  • Page 19 Turntable drags or makes Excessive weight on tray or Distribute food evenly. Cook noise. improperly balanced. smaller portions or use lighter weight cookware.

  • Page 20: Issue Handling: 1. Fuse Is Tripping

    ISSUE HANDLING: 1. Fuse is tripping. The appliance does not function at all; there are no symbols/numerals on the display and no input are accepted. CONDITION CHECK RESULT CAUSE REMEDY Check short- Fuse is tripping Switch defective Replace switch Continuity. circuit switch when door closed...

  • Page 21: Issue Handling: 2. Oven Does Not Operate At All

    ISSUE HANDLING: 2. Oven does not operate at all Check 1. Fuse is tripping Switch defective Replace switch Continuity. shortcircuit switch when door closed No continuity. Replace switch Switch defective Continuity Check safety Replace fuse switch when door opened No continuity. Remove a cable between H.V.

  • Page 22: Issue Handling: 3. Oven Does Not Start

    ISSUE HANDLING: 3. Oven does not start CONDITION CHECK RESULT CAUSE REMEDY Replace Check safety Set time does not Switch defective. No continuity. safety switch. switch on left count down when when door closed. touching START pad. continuity. Check cable No continuity.

  • Page 23: Issue Handling: 4. No Microwave Power

    ISSUE HANDLING: 4. No microwave power CONDITION CHECK RESULT CAUSE REMEDY Relay board No microwave Check power relay Replace relay No continuity. during function defective power board continuity. Check H.V. Abnormal H.V. transformer and Replace H.V trans transformer H.V. fuse defective former and H.V.

  • Page 24: Exploded View & Spare Parts

    EXPLODED VIEW & SPARE PARTS* Spare part Article number Plate cover 1134632 Round-shaped tall grill rack 1155286 H.V.Diode 1195998 Round-shaped short grill rack 1155285 Installation set screws 1196873 H.V. Capacitor 1195854 Ventilation 1195855 Noise filter 1195856 Thermostat 1195857 Magnetron 1195858 Transformer 1195859 Trim kit left...
  • Page 25 Lamp 1195863 Heater 1195864 cover sheet plate Hotair kpl. 1195865 door contact left 1196874 Speaker 1068067 Magnet P59170 Controll board 1102965 Display 1021531 Operating panel cpl. Platinum 1139604 Operating panel cpl. Black 1139603 Door cpl. Platinum for V4000 1196872 Door cpl. Black for V4000 1196871 Turntable 1155284...

  • Page 26: Additional Information For Service

    ADDITIONAL INFORMATION FOR SERVICE* More information for appliance service Settings - Service menu Enter service menu with Code "6301" Service menu Service Display calibration The display area can be moved by ±4 pixel in vertical menu and horizontal direction Service Mains connection check (only in Only for regulation authority menu...

This manual is also suitable for:

Cm4t-24025

Table of Contents