Viking VCSO210SS Service Manual
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Viking VCSO210SS Service Manual

Combi-steam convect oven
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See also: Cookbook , Use and Care Manual
In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should
be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage and
current. Contact with the following parts may result in a severe, possibly fatal, electrical shock. (Inverter unit that includes
High Voltage Capacitor, High Voltage Power Transformer, High Voltage Rectifier and Heat sink etc., and Magnetron, High
Voltage Harness etc..)
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY .......................................................... 2
BEFORE SERVICING ............................................................................................................................................ 2
WARNING TO SERVICE PERSONNEL ................................................................................................................. 3
MICROWAVE MEASUREMENT PROCEDURE ..................................................................................................... 4
FOREWORD AND WARNING ............................................................................................................................... 5
PRODUCT SPECIFICATIONS ............................................................................................................................... 6
GENERAL INFORMATION.................................................................................................................................... 7
WATER SUPPLY/DRAINAGE SCHEMATIC ........................................................................................................... 9
TEST PROCEDURE ............................................................................................................................................ 12
ERROR CHECK LIST .......................................................................................................................................... 14
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE................................................................. 23
PICTORIAL DIAGRAM ......................................................................................................................................... 32
PARTS LIST ........................................................................................................................................................ 35
PACKING AND ACCESSORIES .......................................................................................................................... 43
Range Corporation
111 Front St., Greenwood, MS 38930
Tel: (888) 845-4641
SERviCE MANUAL
COMBi STEAM/CONvECT

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1
OvEN
vCSO210SS
This document has been published to be used for after
sales service only.
VCSO210SS
S52M342O210SS
™
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Summary of Contents for Viking VCSO210SS

  • Page 1: Table Of Contents

    VCSO210SS SERviCE MANUAL S52M342O210SS ™ COMBi STEAM/CONvECT OvEN vCSO210SS In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should be used. WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage and current.

  • Page 2: Precautions To Be Observed Before And During Servicing To Avoid Possible Exposure To Excessive Microwave Energy

    Before servicing an operative unit, perform a microwave emission check as per the Microwave Measure- ment Procedure outlined in this service manual. If microwave emissions level is in excess of the specified limit, contact Viking Service immediately @ 1-888-845-4641. If the unit operates with the door open, service person should (1) tell the user not to operate the oven and (2) contact VIKING, plus the Department Of Health, Canada and/or the Food and Drug Administration's Center for Devices and Radiological Health immediately.

  • Page 3: Warning To Service Personnel

    VCSO210SS WARNiNG TO SERviCE PERSONNEL Microwave ovens contain circuitry capable of pro- ducing very high voltage and current, contact with following parts may result in a severe, possibly fatal, electrical shock. (Example) Inverter unit that includes High Voltage Capacitor, High Voltage Power Transformer, High Voltage Rectifier, Heat sink etc., and Magnetron, High...

  • Page 4: Microwave Measurement Procedure

    VCSO210SS MiCROWAvE MEASUREMENT PROCEDURE A. Requirements: 1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed 1mW/cm at any point 5cm or more from the external surface of the oven, measured prior to...

  • Page 5: Foreword And Warning

    GENERAL iNFORMATiON FOREWORD OPERATiON This Manual has been prepared to provide Viking Service Personnel with Operation and Service Information for the Viking Microwave Oven. TROUBLESHOOTiNG GUiDE AND It is recommended that service personnel carefully study the entire text of...

  • Page 6: Product Specifications

    VCSO210SS SPECiFiCATiON iTEM DESCRiPTiON Power Requirements 120 Volts 10.7 Amperes (Microwave) / 12.5 Amperes (Convection) 60 Hertz / Single phase, 3 wire grounded Power Output 700 watts (IEC 705 Test Procedure) Operating frequency of 2450MHz Convection Power Output 1400 Watts Outside Dimensions Width 20-43/64"...
  • Page 7 VCSO210SS OVEN COMPONENTS 1 Air vent opening 2 Handle 3 LCD display 4 Contr ol panel 5 Oven light 6 Upper level 7 Lower level 8 Reservoir lid 9 Reservoir 10 Door gasket 11 Latches 12 Ceramic oven floor 13 Door hinges...

  • Page 8: Control Panel

    VCSO210SS CONTROL PANEL Enter Dial Back/Info DISPLAY INFORMATION Arrows indicate more than one page; when you see an arrow, you can turn the dial to move back and forth between pages. When there are no arrows, you can go back to the previous page by touching BACK/INFO.

  • Page 9: Water Supply/Drainage Schematic

    VCSO210SS WATER SUPPLY/DRAiNAGE SCHEMATiC 1. When installing the reservoir ENGINE UNIT ASSEMBLY Water level sensor Water level unit Water supply tube to the engine as- FEED-WATER RESERVOIR sembly TUBE PUMP DEW TRAY Inserting the reservoir delivers water to the water level unit.
  • Page 10 VCSO210SS 3. When removing the reservoir Remained water in the tube and the engine is not discharged even with the reservoir removed. Removing the reservoir discharges remained water in the water level unit to the dew tray. 4. When operating the oven in order to discharge remained water in the engine unit assembly and tube (“Drain water”...
  • Page 11 VCSO210SS On/O Operation of Electric Parts in Each Heating Mode Signal Parts Heating modes Microwave Convection Supersteam Steam Inverter unit Primary interlock relay Engine heater Convection heater Super Steam heater Out put Fan motor (AC motor) Cooling fan motor (DC motor)

  • Page 12: Test Procedure

    VCSO210SS TEST PROCEDURES MAGNETRON ASSEMBLY TEST 1. Disconnect the power supply cord, and then remove the outer case and the back plate assembly. 2. Open the door and block it open. 3. Wait for 60 seconds to discharge the high voltage capacitors of the inverter unit.
  • Page 13 VCSO210SS PRiMARY iNTERLOCK SYSTEM TEST 1. Disconnect the power supply cord, and then remove the outer case and the back plate assembly. 2. Open the door and block it open. 3. Wait for 60 seconds to discharge the high voltage capacitors of the inverter unit.

  • Page 14: Error Check List

    VCSO210SS BLOWN MONiTOR FUSE TEST 1. Disconnect the power supply cord, and then remove the outer case and the back plate assembly. 2. Open the door and block it open. 3. Wait for 60 seconds to discharge the high voltage capacitors of the inverter unit.
  • Page 15 VCSO210SS Software is detecting oven EE01 Oven thermistor fail- Break/short-circuit As soon as heating starts stuck at too hot while in of thermistor Any time during heating oven mode or oven stuck Short circuit at too cold while in proof Open (fermentation) mode.
  • Page 16 VCSO210SS Check of tube pump performance Hole of the angle base for the motor Measure the weight of the reservoir filled with water of the tube pump unit to water level 'A'g[oz]. Plug the tank into the oven and power ON.
  • Page 17 VCSO210SS 3. How to check sensor (oven thermistor) performance Power ON the oven Power ON the oven Set the test mode to 03. (see [9] TEST MODE page 21,22) Press the START key. Does a measured value for the oven thermistor change as oven heating proceeds? Is the measured value within ±10 bits with respect to the...
  • Page 18 VCSO210SS 6. EEO5 Engine high temperature failure Is the connectors between the engine thermistor, board and engine mounting section Connect/repair the connector(s) or replace the disconnected or short circuited? thermistor/harness. Measure the engine thermistor resistance using a tester with the thermistor connector pulled out of the board.
  • Page 19 VCSO210SS Check and remedy in the event of malfunction 1. List Operation Trouble Action No display Has the 15 A fuse blown? YES: Refer to Check in the event of 15 A fuse blowing. NO: Check the display unit, fan thermal cut-out and convection thermal cut-out.
  • Page 20 VCSO210SS iNvERTER UNiT TEST WARNiNG: DO NOT TOUCH THE COMPONENTS OF THE INVERTER UNIT WHILE INVERTER UNIT IS ENERGIZED. IT IS DANGEROUS BECAUSE THIS HAS HIGH VOLTAGE COMPONENTS. CAUTiON: DO NOT OPERATE INVERTER UNIT BY ITSELF. CAUTiON: DO NOT CONNECT THE OVEN TO WALL OUTLET WITHOUT THE OUTER CASE INSTALLED.
  • Page 21 VCSO210SS TEST MODE HOW TO SET TEST MODE (Power ON/door closed state) [STOP/CLEAR] [STEAM CONVECTION] [MICROWAVE] [OPEN DOOR] (Set the number (initial number: 04) by [ENCODER DIAL] [START] [DIRECT SETTING KEY] Within 1 sec. Within 1 sec. Within 1 sec.
  • Page 22 VCSO210SS The detail of judgment（test no.10) display error timing water level sensor ＥＴＨ ＡＨ －－　１０ immediate steam heating not judged not judged －－　－０ microwave mode stopped not judged not judged not judged dew receiver isn't equipped or dew switch is defect.

  • Page 23: Component Replacement And Adjustment Procedure

    VCSO210SS COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE WARNING AGAINST HIGH VOLTAGE: Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts may result in severe, possibly fatal, electric shock. (Example) Inverter unit, Magnetron, High Voltage Harness etc..
  • Page 24 VCSO210SS BACK PLATE REMOvAL 5. Remove the two (2) screws holding the back plate to the 1. Disconnect the power supply cord. top rear angle. 2. Remove the outer case cabinet, referring to 6. Remove the three (4) screws fixing the back plate.
  • Page 25 VCSO210SS DOOR ADJUSTMENT When removing and/or loosening the oven hinges such as in door replacement, the following adjustment criteria are taken. Door adjustment is performed with the door properly installed and closed and while the oven hinges are loose. 1. Loosen the screws holding the oven hinge right and the oven hinge to the bottom plate.
  • Page 26 VCSO210SS DOOR SENSiNG SWiTCH, SECONDARY/THiRD iNTERLOCK SWiTCH AND MONiTOR SWiTCH ADJUSTMENT 1. Adjustment 2) All switches (except monitor) will open with a 1.9mm gap If the door sensing switch, secondary/third interlock switch between oven door and cavity face. and monitor switch do not operate properly due to a 3) Monitor switch will close with same amount of gap.
  • Page 27 VCSO210SS 11. Remove the ten (10) screws fixing the bottom plate assembly (bottom face) to the left heat shield plate, the right heat shield plate, the left hinge assembly, the right hinge assembly and the front plate of the oven (Fig 1).
  • Page 28 VCSO210SS ENGiNE UNiT REMOvAL 1. Disconnect the power supply cord, and then remove the CAUTION: When the water tube is removed from the outer case and the back plate assembly. engine unit, remained water may bleed from the 2. Open the door and block it open.
  • Page 29 VCSO210SS DC FAN MOTOR (ventilation) REMOvAL 1. Disconnect the power supply cord, and then remove the 8. Remove the outer case cabinet, referring to outer case and the back plate assembly. “OUTER CASE REMOVAL”. 2. Open the door and block it open.

  • Page 30: Antenna Motor Removal

    VCSO210SS MAGNETRON REPLACEMENT 1. REMOvAL 2. REiNSTALLTiON 1. Disconnect the power supply cord, and then remove the outer case and the back plate assembly. 1. Reinstall the magnetron to waveguide flange with the 2. Open the door and block it open.

  • Page 31: Power Supply Cord Replacement

    VCSO210SS FAN MOTOR (BOTTOM vENTiLATiON) REMOvAL 1. Disconnect the power supply cord, and then remove the 8. Disconnect the connector of fan motor from the wire outer case and the back plate assembly. harness. 2. Open the door and block it open.

  • Page 32: Pictorial Diagram

    VCSO210SS CiRCUiT DiAGRAMS 1. CONTROL UNiT Humidity Sensor from Touch Control Transformer ORG/RED GRY/GRY RED/RED GRY/GRY WHT/BLU to Display Unit (WHA) From Board CN-E in Board Harness Main Harness side INSERT BOARD SPOT SIDE IN-BOARD HARNESS 2. DiSPLAY UNiT from Control Unit (12-pin connector CND )
  • Page 33 VCSO210SS 3. OTHER COMPONENTS LATCH SWiTCHES N.O. N.C. Monitor Switch 3rd Door Switch Secondary Door Sensing Interlock Switch Switch N.O. N.O. Latch Hook Left Latch Hook Right iNvERTER UNiT BLU/BLU BLUE CN-A Ground NOiSE FiLTER Power Supply Cord to Bottom Plate...
  • Page 34 VCSO210SS MAiN CiRCUiT SCHEMATIC DIAGRAM (DOOR CLOSED COOK OFF CONDITION) 3rd.DOOR SWITCH BOTTOM VENTILATION FAN (DC24V) SECONDARY AH SENSOR ENGINE INTERLOCK COOLING THERMAL SWITCH VENTILATION CUT-OUT MONITOR (DC24V) FAN (DC24V) SWITCH WATER SENSOR INVERTER UNIT NOISE FILTER UNIT CONTROL UNIT...

  • Page 35: Parts List

    VCSO210SS REF. NO. PART NO. DESCRiPTiON OvEN PARTS ELECTRIC PARTS CHET-A004WRKZ Engine unit assembly FH-HZA100WREZ Thermistor (Engine) RTHM-A144WRZZ Thermal cut out (Engine) RTHM-A116WRE0 Thermal cut out (Fan) 1-10 FDTCTA240WRKZ AH Sensor 1-15 FH-HZA099WREZ Thermistor (Oven) 1-16 RMOTDA248WRZZ Turntable motor (Antenna motor)
  • Page 36 VCSO210SS REF. NO. PART NO. DESCRiPTiON 8-84 PSLDHA292WRPZ Heat cover bottom 8-85 PSLDHA293WRPZ Heat cover L 8-86 PSLDHA283WRPZ Heat cover upper 8-87 PTUBXA070WREZ Drain tube 8-88 PZETPA001WRFZ Inverter shield plate 8-100 LANGKB394WRPZ Steam duct angle 8-101 FDUC-A488WRKZ Steam duct sub assembly...
  • Page 37 VCSO210SS REF. NO. PART NO. DESCRiPTiON 9-30 XOTS740P06000 Screw; 4mm x 6mm 9-31 XOBS740P30000 Screw; 4mm x 30mm 9-32 LX-CZA088WREZ Special screw (Knock type) 9-33 XNES740-32000 9-38 XTPS740P40000 Screw; 4mm x 40mm 9-39 XUBS740P36000 Screw; 4mm x 36mm 9-40 LX-BZA171WREZ...

  • Page 38: Oven Parts

    VCSO210SS OvEN PARTS 8-74 9-15 8-104 8-128 8-78 8-42 8-86 8-71 9-14 8-151 9-20 1-28 8-45 8-49 8-48 9-15 9-18 8-47 8-39 9-17 9-33 8-133 8-41 8-144 8-75 8-143 8-46 8-28-1 9-14 8-72 8-43 9-16 8-28 1-17 8-40 1-32 8-77...
  • Page 39 VCSO210SS REF. NO. PART NO. DESCRiPTiON CABiNET PARTS ELECTRIC PARTS DPWBFC587WRUZ Inverter unit assembly FACCDA074WRE0 Power supply cord DPWBFB192MRU0 Control unit 1-11 FPWBFB028MRK0 Noise filter unit 1-14 RTRNPA167DRZZ Transformer 1-18 FFS-BA038WRKZ Monitor fuse (15A) and monitor switch 1-20 RMOTEA456WRZZ AC Fan motor...
  • Page 40 VCSO210SS CABiNET PARTS 9-34 9-34 8-98 8-112 9-35 9-37 8-65 8-66 8-31 8-30 1-34 9-36 8-67 8-54 1-20 8-62 8-63 8-95 8-95 8-29 8-136 8-94 8-135 1-14 1-11 8-137 8-58 8-61 9-48 8-115 1-18 1-31 9-24 8-19 9-32 8-79 8-120...
  • Page 41 VCSO210SS REF. NO. PART NO. DESCRiPTiON DOOR PARTS DPWBFB191MRU0 Display unit DDORFB155MRK0 Door assembly JBTN-B227MRR0 Steam button JBTN-B225MRR0 Enter button JBTN-B228MRR0 Start button FDORFA461WRKZ Door panel assembly FKNBKA224WRKZ Encoder button assembly GCOVHA541WRFZ Door cover HDECAB832MRT0 Frame dec. upper HDECQB109MRP0 Encoder base...

  • Page 42: Door Parts

    VCSO210SS DOOR PARTS 6-16 6-19 6-22 6-25 x2 6-23 6-24 6-19 6-18 6-25 6-18 6-28 6-20 6-12 6-14 6-21 6-19 6-24 6-23 6-17 6-26 6-10 6-11 6-15 6-13 6-27...

  • Page 43: Packing And Accessories

    PSRA-A074WRHZ Base tray 30l 90-3 UAMI-A165WRTZ Rack 30L 90-4 UAMI-A166WRTZ Rack 30L 90-5 PGIDMA021WRFZ Guide 90-6 UDSKDB002MRK4 Viking CD (all literature) OTHER PARTS 1-12 FW-VZC207WREZ Control harness 1-13 FW-VZC353WREZ Main harness 1-23 FW-VZC355WREZ Antenna motor harness 1-24 QW-HZA132WRZZ High voltage harness...
  • Page 44 VCSO210SS COPYRIGHT © 2012 BY VIKING RANGE CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in retrieval systems, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission...

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