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Viking FDSB5481 User Manual

Viking FDSB5481
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Service
Manual
Built-In
Side by Side
Non-Dispenser
Refrigerator /
Freezer
Preferred Service
FDSB5421
FDSB5481
VCSB5421
VCSB5481
SMR-0020
MAY 2012
®
This manual is to be used by qualied appliance technicians only. Viking
does not assume any responsibility for property damage or personal
injury for improper service procedures done by an unqualied person.
This Base Manual covers general and
specic information including, but not
limited to the following models:

Table of Contents

Other manuals for Viking FDSB5481

Questions and Answers:

Viking FDSB5481 Specifications

General IconGeneral
BrandViking
ModelFDSB5481
CategoryRefrigerator
LanguageEnglish

Summary

Important Information

Safety Information

Provides crucial safety messages and symbols (DANGER, WARNING, CAUTION) for proper appliance handling.

General Information

Model - Serial Number Matrix

Explains how to interpret model and serial numbers for appliance identification.

Operation

Settings and Functions

Describes the power on/off switch and its location for appliance control.

Electronic Temperature Settings

Details how to activate and adjust refrigerator and freezer temperatures via the control panel.

Key Press Confirmation

Explains the audible beep feedback for control panel inputs and how to activate/deactivate it.

Fast Cool

Explains how to activate the Fast Cool function to rapidly lower freezer and refrigerator temperatures.

MAX FRZ

Describes the MAX FRZ mode which temporarily sets the freezer to its coldest point for a duration.

MAX REF

Details the MAX REF mode, temporarily setting the refrigerator to its coldest point for a duration.

Forced Pull-Down (Forced compressor start)

Explains how to force the compressor to start to reach cut-out temperatures quickly.

Forced Defrost

Details how to manually initiate a defrost cycle, suspending all temperature control.

Showroom Mode

Allows controls and lights to function independently of the refrigeration system for display purposes.

Sabbath Mode

Disables certain functions like lights and alarms, with delayed output reactions for religious observance.

Fahrenheit to Celsius

Describes how to switch the temperature display between Fahrenheit and Celsius.

Display Panel Operation

Provides a detailed breakdown of each control panel pad, its function, and how to access it.

Temperature Control Operation

Explains how temperature settings are managed via thermistor resistance and cut-in/cut-out points.

Disassembly

Parts Location-Control Panel

Identifies the location of key components within the control panel assembly.

Upper Grille Assembly

Details the procedure for removing the upper grille assembly to access internal components.

Control Panel

Describes the steps to remove the control panel, including its overlay switch.

Control Panel (continued)

Continues the disassembly steps for the control panel, including disconnecting switches and ribbon cables.

Overlay Switch

Explains the function of the overlay switch and the procedure for its replacement.

Overlay Switch (continued)

Provides the final steps for removing and reinstalling the overlay switch.

High Voltage Board

Details how to access and test the high voltage board, which controls unit functions.

Low Voltage Board

Explains how to access and test the low voltage board, interacting with the overlay switch.

Power Disconnect Switch

Describes the location and function of the power disconnect switch for safety.

Inverter

Outlines the procedure to access the inverter, which controls compressor voltage.

Inverter (continued)

Provides further details on accessing the inverter and its power supply.

Condenser Fan

Details the location and removal procedure for the condenser fan assembly.

Parts Location-Refrigerator Compartment

Illustrates and labels key components within the refrigerator compartment.

Light Assembly

Explains how to access and replace the interior light bulbs and covers.

Fresh Food Fan Assembly

Describes how to access and replace the fresh food fan assembly for air circulation.

Interior Lights

Details the procedure for accessing and replacing interior light bulbs in both compartments.

Plasma Cluster

Explains how to access and replace the Plasma Cluster ion air purifier.

Parts Location–Freezer Compartment and Lower Unit-Non Dispenser

Illustrates and labels key components within the freezer compartment and lower unit.

Ice Maker (shown here with cover off)

Details the ice maker's operation, components, and how to access it for service.

Module and Heater Assembly

Describes accessing the ice maker module and heater assembly for testing and replacement.

Module Ohmmeter Checks

Provides resistance checks for the ice maker module components and their expected values.

Module Voltage Checks

Details voltage checks for the ice maker module, testing power to components.

Thermal Cut Out (TCO)

Explains the function of the TCO in the ice maker and its replacement procedure.

Freezer Evaporator Fan

Details the procedure for accessing and replacing the freezer evaporator fan.

Freezer Thermistor

Explains the freezer thermistor's role and the steps for its removal and replacement.

Defrost Heater

Describes how to test and replace the defrost heater element.

Defrost Heater (continued)

Continues the defrost heater testing procedure, including alternate testing methods.

Defrost Terminator

Explains how to test and replace the defrost terminator bimetal switch.

Float Switch

Details how to access, test, and replace the float switch for the drain pan heater.

Water Valve

Describes the water valve used to fill the ice maker and its troubleshooting.

Drain Pan Heater

Explains how to access, test, and replace the drain pan heater for condensate vaporization.

Service Procedures

Program Modes

Introduces the programmable modes for adjusting unit settings and diagnostics.

Program Mode A

Details how to enter and navigate Program Mode A for various adjustments.

Defrost mode selection

Explains how to switch between Adaptive and Conventional defrost modes.

Conventional defrost time adjustment (CRTD)

Describes how to adjust the defrost cycle time based on compressor run time.

Compressor low speed frequency

Explains how to set the compressor's low speed frequency, a factory-set value.

Adjust Cut-In Hysteresis

Details how to adjust the cut-in hysteresis for refrigerator and freezer temperature control.

Adjust Cut-Out Hysteresis

Describes how to adjust the cut-out hysteresis for refrigerator and freezer temperature control.

Exiting Mode A

Explains the procedure to exit Program Mode A and retain or discard changes.

Display Software Version

Describes how to view the unit's software version and its components.

Program Mode B

Details how to enter and navigate Program Mode B for various adjustments.

Adjust Freezer Temperature Offset

Explains how to adjust the freezer temperature offset based on model.

Adjust Refrigerator Temperature Offset

Details how to adjust the refrigerator temperature offset based on model.

Adjust MAX FRZ duration

Describes how to adjust the duration for the MAX FRZ mode.

Adjust FAST COOL duration

Explains how to adjust the duration for the FAST COOL mode.

Adjust MAX REF duration

Details how to adjust the duration for the MAX REF mode.

Adjust Door Open Alarm delay

Explains how to adjust the delay time for the door open alarm.

Adjust Compressor Dwell Time

Notes this is a factory-only adjustment and not for field technicians.

Adjust Compressor High Frequency

Notes this is a factory-only adjustment and not for field technicians.

Adjust DC Fan Cycling On Time

Notes this is a factory-only adjustment and not for field technicians.

Adjust DC Fan Cycling Off Time

Notes this is a factory-only adjustment and not for field technicians.

Exiting Mode B

Explains the procedure to exit Program Mode B and retain or discard changes.

Program Mode C

Details how to enter and navigate Program Mode C for setting the model type.

Set Model type

Describes how to select the correct model code to update all appliance settings.

Adjust Freezer Upper Temperature Limit

Explains how to adjust the upper temperature limit for the freezer compartment.

Adjust Freezer Lower Temperature Limit

Details how to adjust the lower temperature limit for the freezer compartment.

Adjust Refrigerator Upper Temperature Limit

Explains how to adjust the upper temperature limit for the refrigerator compartment.

Adjust Refrigerator Lower Temperature Limit

Details how to adjust the lower temperature limit for the refrigerator compartment.

Defrost lockout adder

Notes this is a factory-only adjustment and not for field technicians.

Defrost start delay

Notes this is a factory-only adjustment and not for field technicians.

Defrost termination delay

Notes this is a factory-only adjustment and not for field technicians.

Constant Evaporator fan mode

This mode applies only to All Refrigerator units and is ignored by others.

Plant mode

Notes this is a factory-only adjustment and not for field technicians.

Exiting Mode C

Explains the procedure to exit Program Mode C and retain or discard changes.

ALARMS

Covers the five alarms that signify faulty conditions, detailing each one.

1. High Temp Alarm

Details the High Temperature alarm for both freezer and refrigerator compartments.

2. Open Thermistor Alarm

Explains the Open Thermistor alarm for refrigerator and freezer, including visual/audible cues.

3. Shorted Thermistor Alarm

Covers the Shorted Thermistor alarm for both compartments, including error display.

4. Power Loss Alarm

Describes the Power Loss alarm indication and how to reset it after power is restored.

5. Door Open Alarm

Details the Door Open alarm, its audible and visual indicators, and how to manage it.

TABLE 1 - Model types

Lists model types, their codes, and associated default settings for configuration.

Door Stop Adjustment

Explains how to adjust the door swing angle to 90° or 120° positions.

Light Bulb

Provides instructions for replacing the interior light bulbs.

Door Hinge Adjustment

Details how to access and adjust the door hinges.

Height Adjustment

Explains how to adjust the appliance's height using rollers and stabilizing legs.

Diagnostics

VCC3 Inverter Diagnostic Codes

Lists diagnostic codes for the VCC3 inverter, including possible faults and service actions.

High Voltage Board

Details test points and expected voltage readings on the high voltage board.

Low Voltage Board

Lists pin locations, functions, voltage ranges, and signals for the low voltage board.

Troubleshooting Guide

Provides a guide to common problems, probable causes, and recommended corrections.

Ice Problems

Lists common ice production issues and their solutions.

Power Problems

Addresses issues related to power supply for the ice maker and water valve.

Water Problems

Covers various water-related issues affecting ice maker function and refrigerator operation.

Temperature Problems

Details problems related to incorrect temperature settings or performance.

Ice maker Problems

Lists specific ice maker issues, their causes, and corrective actions.

Wiring Diagrams

Wiring and Component Testing

Introduces wiring diagrams and component testing procedures for the high voltage board.

High Voltage Board

Shows terminal descriptions and voltage readings for the high voltage board.

Side by Side schematic

Presents the overall wiring schematic for the side-by-side refrigerator model.

Side by Side Wiring Diagram

Provides a detailed wiring diagram illustrating component connections and pathways.

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