Viking VCWB300 Troubleshooting Guide con’t, Problem Possible Cause Correction, Compressor Fault

Page 21

 

TROUBLESHOOTING GUIDE (con’t)

PROBLEM

POSSIBLE CAUSE

CORRECTION

 

 

 

A. Warm temperature

b2

Check for continuity across

In all Wine Storage

 

the motor windings of the

Compartments.

 

inoperative fan motor (See

 

 

pages 14 and 19).

8.

Condenser Air / Flow

 

 

 

Condenser Fan Fault

 

 

a.

Dirty condenser

a.

Clean condenser

b.

Condenser fan blade

b.

Check fan blade. Tighten or

 

loose or obstructed.

 

remove obstruction.

c.

Fan motor disconnected

c.

Check fan motor operation.

 

or malfunctioning.

 

and electrical connections.

 

 

 

back to compressor. Check

 

 

 

for 115VAC from compressor

 

 

 

to motor. Reconnect or repair

 

 

wires or replace motor if

 

 

 

defective.

 

 

 

9.

Compressor Fault

 

 

 

 

 

a.

Compressor electrical

a.

Check integrity of compressor

 

 

 

 

components disconnected

 

electrical components (See page

 

 

 

 

or malfunctioning.

 

15 and 16). Check electrical

 

 

 

 

 

 

connections back to control

 

 

 

 

 

 

board. Replace defective com-

 

 

 

 

 

 

ponent or repair wiring. Check

 

 

 

 

 

 

for 115VAC from the control

 

 

 

 

 

 

board. Correct any wiring

 

 

 

 

 

 

problems or replace compressor

 

 

 

 

 

 

components if defective. If no

 

 

 

 

 

 

power from control board.

 

 

 

 

 

 

replace control board.

 

 

 

b.

Compressor inefficient

b.

For Compressor specifications,

 

 

 

 

 

 

electrical inputs and output

 

 

 

 

 

 

(See page 16).

 

 

 

c.

Compressor locked

c.

(See page 16).

 

 

 

 

 

 

 

 

B. Warm Temperature

1.

Control Set too Warm

a.

Check set-points. Adjust set-

 

in only one wine

 

2.

Unit Recently Energized

 

points.

 

 

 

 

 

storage compartment.

a.

Allow time for unit to pull down.

 

 

 

3.

Unit Recently Stocked

a.

Instruct customer

 

 

 

 

with Wine.

 

 

 

 

 

 

 

 

 

 

 

 

4.

High Room Ambient

a.

Instruct customer that unit

 

 

 

 

 

 

performs best between 60°F /

 

 

 

 

 

 

16°C -- 90°F / 32°C.

22

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Contents BUILT-IN Full Height Wine Cooler Service NotebookMode of Operation Table of ContentsDiagnostic Check Points Electronic Function DescriptionGeneral Specifications Model VCWB300# Sealed System Control Panel Assembly Page Page Glass Mullion Shelf Power Disconnect Switch Showroom Switch The showroom switchDisplay Panel Keyboard Lights Display Panel OperationAlarm Display PadWine Cooler Leveling Hinge Adjustment Door Stop AdjustmentDiagnostic Check Points Touch switch inputs with switches connected, typicalOutputs and line voltage inputs loads connected typical Compressor Relay Use E3 16 as common for measurements Display Board IDB5D Display Board receiveFutaba VFD display data connection Mechanical Data General InformationApplication Electrical DataDEG. F Resistance Thermister Resistance ReadingSolenoid Valve / Evaporator Fan VCWB300 Wiring Schematic VCWB300 Wiring Diagram Troubleshooting Guide Problem Possible Cause Correction Problem Possible Cause Correction Troubleshooting Guide con’tCondenser Air / Flow Condenser Fan Fault Compressor FaultCondenser Air / Con Denser Fan Fault Evaporator Thermistor FaultRefrigerant Valve Solenoid Fault Thermistor FaultFan and Light Switch Lights Switched OnWiring Crossed Light SwitchUnit Switched Off Press unit On/Off key No Power from Check E15 to ground See Control BoardBad LED Board Replace control panel assembly Control Panel Ribbon Check control panel ribbon
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VCWB300 specifications

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