Tisira TMW228B Service Manual
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Tisira TMW228B Service Manual

28l // microwave
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SERVICE MANUAL
28L // MICROWAVE
TMW228B
DISCLAIMER // THE INFORMATION CONTAINED IN THIS SERVICE MANUAL IS INTENDED FOR
LICENSED PERSONNEL ONLY. PLEASE CONTACT ARISIT FOR FUTHER INFORMATION.
[AUSTRALIA] 1300 762 219 [NEW ZEALAND] 09 306 1020
www.tisira.com

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Summary of Contents for Tisira TMW228B

  • Page 1 SERVICE MANUAL 28L // MICROWAVE TMW228B DISCLAIMER // THE INFORMATION CONTAINED IN THIS SERVICE MANUAL IS INTENDED FOR LICENSED PERSONNEL ONLY. PLEASE CONTACT ARISIT FOR FUTHER INFORMATION. [AUSTRALIA] 1300 762 219 [NEW ZEALAND] 09 306 1020 www.tisira.com...

  • Page 2: Product Specifications

    Once the repairs are completed, conduct a functional test. PRODUCT SPECIFICATIONS Dimensions W595 x D400 x H388mm Voltage / Frequency 220 -240V~ / 50Hz Rated Power 145W Microwave Power 900W Capacity Turntable diametre Ø315mm Net weight 18.5kg 2 / 2 0 TMW228B...

  • Page 3: Exploded View

    EXPLODED VIEW 3 / 2 0 TMW228B...
  • Page 4 EXPLODED VIEW 4 / 2 0 TMW228B...

  • Page 5: Parts List

    FAN FRAME 2899505 FAN MOTOR 2899510 MAGNETRON 2899511 FLEXIBLE POWER CORD WITH PLUG 2899503 TURNTABLE MOTOR 2899509 TRANSFORMER (high voltage) 2899910 TURNTABLE GLASS PLATE (315mm) 2899911 INTERLOCK ASSEMBLY 2899411 INTERLOCK FOR DOOR LATCH 2899412 INTERLOCK LEVER 5 / 2 0 TMW228B...
  • Page 6 2899916 DISPLAY WINDOW E10+E11 2899517 NOISE FILTER AND FUSE ASSEMBLY 2899507 FUSE 2899508 NOISE FILTER W04/C43 2899408 LIGHT COVER 2899504 LIGHT 2801905 TRIM KIT- STAINLESS STEEL 2899912 ANTI-TILTING BRACKET + 3 screws 2899506 THERMOSTAT 160ºC/95ºC 6 / 2 0 TMW228B...

  • Page 7: Wiring Diagram

    BK : BLACK BL : BLUE DOOR : CLOSED COOK : OFF FM : FAN MOTOR RD : RED BR : BROWN TTM : TURN TABLE MOTOR WH : WHITE GE : GREEN/YELLOW YW : YELLOW 7 / 2 0 TMW228B...

  • Page 8: Troubleshooting

    The glass plate is not properly Distribuite food evenly. Cook Turntable drags and positioned or it is overloaded smaller portions and/or use make noises lighter cookware 8 / 2 0 TMW228B...
  • Page 9 Defective PCB 3. Display shows a Still have trouble assembly assembly number or figure different to the selection 4. Random programming when touching other pads 5. Display is frozen and can not accept any input 9 / 2 0 TMW228B...
  • Page 10 Continuity Defective Replace Check continuity of No continuity magnetron magnetron magnetron thermostat thermostat thermostat Continuity Check continuity of Defective Replace No continuity power supply power supply cord power supply cord cord 1 0 / 2 0 TMW228B...
  • Page 11 PCB assembly 2. Fan motor or Replace Fan Defective Abnormal Check fan motor oven lamp do not motor fan motor turn on Replace Defective Check oven lamp Abnormal oven lamp oven lamp Normal 1 1 / 2 0 TMW228B...
  • Page 12 RESULT CAUSE REMEDY Defective PCB Replace PCB Disconnect the wire Output is full when Abnormal assembly assembly you set lower power leads from power level relay and check continuity power relay (Operate the unit) 1 2 / 2 0 TMW228B...
  • Page 13 2 – Disconnect the power supply cord from the power outlet. 3 – Unscrew and detatch the trim kit from the microwave carcass. 4 – Remove the screws holding the bottom carcass. 1 3 / 2 0 TMW228B...
  • Page 14 2 – Carefully remove the turning shaft. 3 – Lay the unit down on its back. 4 – Remove the cover of the turntable motor. Use pliers to pinch the clips that hold the cover in position. 1 4 / 2 0 TMW228B...

  • Page 15: Critical Components

    This transformer supplies high voltage to the magnetron and also the operating voltage to the heater. - Input voltage – 220-240V~ - Heater voltage – 3.3V~ - Operating voltage approx. – 2300V~ WARNING: DO NOT ATTEMPT TO MEASURE THE OPERATING VOLTAGE. 1 5 / 2 0 TMW228B...
  • Page 16 5. Safety Switches At least 3 safety switches can be found in most microwaves models. These switches are responsible for interrupting the generation of microwave energy as soon as the door is opened. 1 6 / 2 0 TMW228B...
  • Page 17 Safety switches operation sequence: Open door Safety switch on the right > Safety switch on the left > Short-circuit switch Close door Short-circuit switch > Safety switch on the left > Safety switch on the right 1 7 / 2 0 TMW228B...
  • Page 18 NOTES 1 8 / 2 0 TMW228B...
  • Page 19 NOTES 1 9 / 2 0 TMW228B...

  • Page 20: Contact Details

    P // 09 306 1020 F // 09 302 0077 sales@aristonappliances.co.nz Tisira is committed to ongoing research and development. Every effort has been made to ensure all information in this service manual is correct at time of going to print.

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