Viking Professional VCWB300 Service Notebook Download Page 24

Page: 24 / 24

TROUBLESHOOTING GUIDE (con’t)

PROBLEM POSSIBLE CAUSE CORRECTION

4. No Power from

4. Check E15 to ground (See

Control Board

page 14).

Control Panel

1. Control Panel Ribbon

1. Check control panel ribbon

Keys Inoperative or

Cable Plugged in

cable (silver area on the ribbon

Malfunctioning

Wrong

cable terminal should be

facing

away

from

the

control

board). Plug in correctly if

Incorrect.

2. Control Panel or Ribbon

2. Check E2 test points page 14.

Cable Defective (Or)

No Signal Read at

Control

Board.

J. LED’s Do Not

1. Unit Switched Off

1. Press unit On/Off key

Illuminate.

LED

Ribbon

Cable

2. Check LED ribbon cable. Plug

Plugged in Wrong.

in correctly if incorrect.

3. No Data from Control

3. Replace control board.

Board.

K. All LED’s Stay

1. Bad Data from Control

1. Replace control board.

Illuminated.

Board.

L. Same Segment(s)

1. Bad Data from Control

1. Replace control board.

Missing From All

Board.

Display Windows

M. Segment(s) Miss-

1. Bad LED Board in

1. Replace control panel assembly.

Ing From Only one

Control

Panel.

Display Window.

N. Door or Unit

1. See Page 12 this Manual

1. See page 12 this manual.

Summary of Contents for Professional VCWB300

Page 1: ...SERVICE NOTEBOOK VCWB300 PROFESSONAL MODEL BUILT IN FULL HEIGHT WINE COOLER ...

Page 2: ... Switch 10 Showroom Switch 10 Display Panel Operation 11 Keyboard Entry Tone 11 Zone Pad 11 Lower Temp Pad 11 Higher Temp Pad 11 Lights 11 Display Pad 12 Alarm 12 Wine Cooler Leveling 12 Door Stop Adjustment 13 Hinge Adjustment 13 Diagnostic Check Points 14 E1 Display Board Output 14 E2 Touch Switch Inputs 14 E3 Outputs and Line Voltage Inputs 14 E4 Thermistor Inputs 15 Compressor Relay 15 Alarm W...

Page 3: ...all The product has adjustable leveling legs to allow the height to be adjusted from 82 1 2 TO 84 3 4 209 6 to2120 7cm The sealed system is located on the top of the product The product has commercial type construction and is available with various features and color options General Specifications Model VCWB300 Internal Volume Capacity 150 Bottles Electrical Requirements 115VAC 60 HZ and 15 Amps M...

Page 4: ...op Refrigerant Type HFC 134a Refrigerant Charge 7 3 oz Evaporator Temperature Range 14 F to 31 F Expanding Device Cap tube Compressor Cooling LBP 32 C Ambient temp 98 to 140V LBP 43 C Ambient temp 98 to 140V Maximum Condensing Pressures Operating 230 psig Peak 293 psig Electrical Data Normal Voltage 115VAC 60Hz Start Winding Resistance 21 20Ω at 77 F 8 Run Winding Resistance 7 90Ω at 77 F 8 Locked...

Page 5: ...ectronic features On the underside of the control panel a means for attaching two light bulbs is molded in place The light tubes are installed into a separate lamp holder which is then attached to the control panel by four molded in clips and four screws Mode of operation Microprocessor based 3 channel temperature logic control Normal cooling operation Control will independently read and regulate ...

Page 6: ...alve will energize for 60 seconds before the compressor is allowed to start This is intended to allow to discharge any pressures in the system so that the compressor will not start under heavy load Any time that all chambers reach set temperatures s the compressor will continue to run for an additional 30 seconds This is intended to reduce compressor start stop cycles as the various chambers call ...

Page 7: ... purposed of servicing diagnosing and repair When put in to this mode valve 1 will energize for 10 seconds to relieve any pressures in the system The compressor will then energize and continue to run continuously while in service mode Pressing the zone button will change which chamber is active as indicated on the display The solenoid valve and evaporator fan will energize in the chamber that is a...

Page 8: ... to the walls of the wine cooler Two of these L brackets are used one on each side The condensate drain nozzle is tapered so that a drain tube can be interference free onto the outer diameter of the nozzle The drain tube directs condensate water to a desired location For the top compartment the tube directs water to the middle compartments mullion drain sump For the middle compartment the drain tu...

Page 9: ...ard Press the power on off switch to the ON position Replace the center grille assembly by aligning the hooks in the assembly with the slots in the brackets which are attached to the grille Push in over the hooks and slide grille assembly downward Showroom Switch The showroom switch allows electronic controls and interior lights to function independently of the refrigeration system Your wine coole...

Page 10: ...2 Activates charge mode Press lower temp pad when in service mode to activate charge mode Higher Temp Pad Raises temperature settings in 1 degree increments Entry tone will sound at each depression of pad until desired temperature setting is achieved 1 Used in conjunction with Zone and Lights pads to enter service mode Press Zone Higher Temp and Lights simultaneously for 5 seconds to activate serv...

Page 11: ...t of a high temperature condition 4 Used in conjunction with Display button temperature can be displayed in either Deg F or in Deg C It can be changed from one to the other by pressing and holding both the Display and the Alarm buttons simultaneously for 5 seconds The display will show F or C Wine Cooler Leveling A Lift the wine cooler off the rollers adjust to the desired height and level wine co...

Page 12: ...he pin to the utmost rear stop hole HINGE ADJUSTMENT 1 Using 3 16 allen wrench remove the door stop pin located in bottom hinge 2 Using the height adjustment shim as a wrenching device rotate the height adjustment bushing counterclockwise to raise or clockwise to lower the location of the door 3 When proper adjustment is reached align shim with door stop pin holes and replace door stop pin Firmly ...

Page 13: ...inputs loads connected typical 1 Showroom switch off 0V on 120VAC 2 7 Not connected 8 Door switch open 0V closed 120VAC 9 When Zone is being cooled or service mode 115 VAC off 0V 10 When Zone is being cooled or service mode 115 VAC off 0V 11 When Zone is being cooled or service mode 115 VAC off 0V 12 When zone is being cooled or service mode 115 VAC off 0V 13 When zone is being cooled or service m...

Page 14: ... 5 VDC Compressor Relay use E3 16 as common for measurements Com 115 VAC continuous power line supply NO 115 VAC when compressor is running NC Not connected Alarm wires check for continuity these are contact closures only Black Common Red Normally closed in no alarm condition White Normally open in no alarm condition Display Board IDB5D 4330 E1 Display Board receive 1 5VDC 2 data signals 3 ground ...

Page 15: ...erant Charge 7 5 oz Expanding Device Capillary Tube Compressor Cooling Operating Range 60Hz LBP 32 C Ambient Temp 98 to 140V LBP 43 C Ambient Temp 98 to 140V Maximum Condensing Pressures Operating 230 psig Peak 293 psig Electrical Data Normal Voltage 115VAC 60Hz Start Winding Resistance 21 20 Ω at 77 F 8 Run Winding Resistance 7 90 Ω at 77 F 8 Locked Rotor Amperage 60Hz 9 80 Amps Full Load Amperag...

Page 16: ...5719 42 5564 43 5414 44 5269 45 5127 46 4990 47 4858 48 4729 49 4604 50 4482 51 4365 52 4250 53 4140 54 4032 55 3927 56 3826 57 3727 58 3632 59 3538 60 3449 61 3361 62 3276 DEG F RESISTANCE 63 3153 64 3113 65 3035 66 2959 67 2865 68 2814 69 2744 70 2676 71 2610 72 2546 73 2484 74 2424 75 2365 76 2308 77 2252 78 2198 79 2145 80 2084 81 2044 82 1996 83 1948 84 1902 85 1856 86 1814 87 1772 88 1731 89...

Page 17: ...refrigerating media MOUNTING Vertical with coil upwards preferred During welding the central part of the body must not exceed 100 C VALVE Medium temperature from 10 C to 90 C Opening time 20 ms closing time 20ms COIL Voltage tolerance 10 15 Compartment and Evaporator Thermister Location 18 ...

Page 18: ...VCWB300 WIRING SCHEMATIC 19 ...

Page 19: ...VCWB300 WIRING DIAGRAM 20 ...

Page 20: ...t Recently Stocked Instruct customer 5 High Room Ambient Instruct customer that unit performs best between 60 F 15 C 90 F 32 C 6 Door Ajar a Wine rack obstruction a Adjust wine rack b Door out of adjustment b See door adjustment procedures See page 11 in this manual c Door or cabinet hinge c Check hinges Replace if problem defective 7 Evaporator Fan Circuit Fault a Evaporator fans in all a Check f...

Page 21: ...l 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 ineffi...

Page 22: ...ce if or more colder than defective If thermistors are displayed OK replace control board temperature D Cold Temper 1 Control Set too cold a Check set points Adjust set ature in all Wine point Warmer Storage Compartments 2 Door Ajar a Wine rack obstruction a Adjust wine rack b Door out of adjustment b See door adjustment page 13 c Door or cabinet hinge c Check hinges Replace if problem defective 3...

Page 23: ...mely 2 If Outside US Control 2 Initiate temperature units Warm Temperatures Set to Display Fahren selection mode and select Displayed 38 to 65 heit but Customer Celsius units of measure Thought it was Celsius G Lights Stay on in 1 Lights Switched On 1 Press release lights On Off Either Wine Storage 100 key Compartments 2 Fan and Light Switch 2 Check wiring at fan light Wiring Crossed switch and at...

Page 24: ...ble Defective Or No Signal Read at Control Board J LED s Do Not 1 Unit Switched Off 1 Press unit On Off key Illuminate 2 LED Ribbon Cable 2 Check LED ribbon cable Plug Plugged in Wrong in correctly if incorrect 3 No Data from Control 3 Replace control board Board K All LED s Stay 1 Bad Data from Control 1 Replace control board Illuminated Board L Same Segment s 1 Bad Data from Control 1 Replace co...

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