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© 20

10

 Viking Preferred Service 

44

Service Diagnostics and Procedures–Disassembly

Control Panel (continued)

4.  

Remove the four screws securing the control 
board cover. Remove control board cover.

5.  

 Disconnect the ribbon from the control board. 

Take caution with the ribbon cable to  
prevent damage.  

6.  Remove the two strain relief screws.

8.   The control panel can now be removed and the 

high voltage and low voltage boards are accessible.

9.  Reverse procedure to reinstall.

Overlay Switch

The unit uses an overlay switch to communicate 
user input to the control boards. The overlay 
connects to the control board via a ribbon cable.

1.    To replace the overlay switch, remove the upper 

air grill assembly, remove the control panel 

(see 

Air Grill and Control Panel Removal sections)

.

2.  

Disconnect overlay switch from control.

3.    Peel overlay off control panel (remove adhesive 

to ensure replacement overlay adheres 
properly).

 
4.   Reverse procedure to reinstall.

Strain Relief Screw

WARNING

 

To avoid risk of electrical shock, personal injury, or death, disconnect electrical power to unit using power 
switch before servicing. Wires removed during disassembly must be replaced on proper terminals to insure 
correct earth ground and polarization. After servicing, reconnect power using power switch.

Overlay Switch 

Connection

Содержание DFSB542 Series

Страница 1: ...rty damage or personal injury for improper service procedures done by an unquali ed person Service Manual This Base Manual covers general and speci c information including but not limited to the follo...

Страница 2: ...gerator and Freezer Thermistor NTC 38 Description Page SERVICE DIAGNOSTICS AND PROCEDURES VCC3 Diagnostic codes 40 Flashing Cycles 40 Diagnostic Procedures 40 Parts Location Control Panel 42 Upper Gri...

Страница 3: ...SHEETS BEFORE BEGINNING REPAIRS Pride and workmanship go into every product to provide our customers with quality appliances It is possible however that during the lifetime of a product service may b...

Страница 4: ...breakfasts re stations private clubs churches etc This warranty excludes all commercial locations such as restaurants food service locations and institutional food service locations This warranty exte...

Страница 5: ...nge Corporation IMPORTANT Retain proof of original purchase to establish warranty period The return of the Owner Registration Card is not a condition of warranty coverage You should however return the...

Страница 6: ...g attached to product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120...

Страница 7: ...ched to product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120 psi Re...

Страница 8: ...d to product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120 psi Refri...

Страница 9: ...ched to product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120 psi Re...

Страница 10: ...attached to product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120 ps...

Страница 11: ...tached to product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120 psi...

Страница 12: ...d to product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120 psi Refri...

Страница 13: ...o product Maximum amp usage 9 9 amps Inlet water requirements 1 4 copper tubing inlet waterline minimum 20 psi maximum 120 psi 1 4 copper tubing inlet waterline minimum 35 psi maximum 120 psi Refriger...

Страница 14: ...d with a power supply cord having a 3 prong grounding plug To minimize possible shock hazard the cord must be plugged into a mating 3 prong grounding type wall receptacle DO NOT use an extension cord...

Страница 15: ...P GREENWOOD MISSISSIPPI 38930 MODEL MODELE NUMBER NUMERO SERIAL SERIE NUMBER NEMERO PE920095 VCSB542RSS 020509R00001175 LISTED HOUSEHOLD REFRIGERATOR 35NN 5 75 oz R134a 115 VAC 60 HZ AMPS 5 7 UL C UL...

Страница 16: ...eously One beep will be heard indicating that sequence was entered properly Continue holding until three beeps are heard The display will revert to normal operation Electronic Temperature Settings You...

Страница 17: ...sounds and an indicator light glows if the refrigerator or the freezer temperature is too high for two hours A blinking light signals which part of the appliance is affected The alarm will end when th...

Страница 18: ...ator temperature is not 38 to 40 F 3 to 4 C adjust the control one number at a time Check again after ve to eight hours Automatic Ice Maker After the refrigerator reaches normal temperature the ice ma...

Страница 19: ...l 1a Professional Lift center grille louver up and pull out 1b Designer Pull the center grille louver up at an angle and pull out 2 Using an 8 magnetic nut driver remove the two 1 4 screws 3 Remove gr...

Страница 20: ...e screws using a Phillips screwdriver Remove kickplate assembly 3 Using a 5 16 head wrench turn the front F adjustment screws to raise or lower the front of the refrigerator Note DO NOT use an electri...

Страница 21: ...time Press HIGHER TEMP pad To raise temperature at a faster rate hold the pad down Lower Temp Pad Lowers temperature settings one bar at a time Press LOWER TEMP pad To lower temperature at a faster ra...

Страница 22: ...ON temperatures Mode B is used for all other programmable functions To access the program modes follow the steps below 1 Open the refrigerator door 2 Press ACTIVATE CONTROLS pad to right of display wi...

Страница 23: ...Below is an example of the Fresh Food Thermistor In the rst group of 4 indicators 10 s column indicator 3 and 4 are lit In the second group of 4 indicators 0 s column indicator 6 and 7 are lit Add al...

Страница 24: ...t time place the unit in Program Mode A see Program modes on page 22 When you have entered SERVICE MODE A Press and hold the DISPLAY OFF pad for 3 seconds 1 audio con rmation beep will be heard Both t...

Страница 25: ...7 Hz 62 Hz 65 Hz 67 Hz 70 Hz 75 Hz 80 Hz 85 Hz Default setting Temperature Differentials for Freezer and Fresh Food Compartments Note These settings should not be changed unless instructed by Technica...

Страница 26: ...ode on page 22 Press the Max Frz pad An audio confirmation beep will be heard The Max Frz indicator will be illuminated The differential temperature will be displayed by use of one of the nine tempera...

Страница 27: ...ice Mode B Once in Program Mode B the following programmable functions can be achieved U V i L V U i U 8 i U 8 i U i vv i L U iv i i iV Automatic Keyboard Functions Pressing DISPLAY OFF pad toggles be...

Страница 28: ...minute indicator light two glowing means two minutes etc The default setting is 3 minutes To increase the default delay time press LOWER TEMP pad to increase by one minute To decrease the default del...

Страница 29: ...s indicator light 2 glowing means 6 hours etc The default duration is 4 hours To increase the default Max Ref duration press LOWER TEMP pad to increase duration by two hours To decrease the default Ma...

Страница 30: ...s indicator light 2 glowing means 6 hours etc The default duration is 4 hours To increase the default Max Frz duration press LOWER TEMP pad to increase duration by two hours To decrease the default Ma...

Страница 31: ...lt for proper operation The chart below shows the proper offset settings for the various Side by Side models for the Fresh Food Thermistor Indicator 1 2 3 4 5 6 7 8 Coldest Offset 8 6 4 2 0 2 4 6 8 48...

Страница 32: ...l need to be changed for proper operation The chart below shows the proper offset settings for the various Side by Side models for the Freezer Thermistor Indicator 1 2 3 4 5 6 7 8 Coldest Offset 8 6 4...

Страница 33: ...Conventional Defrost time is adjusted in SERVICE MODE A Refer to page 24 for settings The factory default is 8 hours 4th Bar Forced Defrost Defrost can be forced to start by pressing and holding the A...

Страница 34: ...ce mode and can be performed by the consumer Special Features Forced Defrost Start Press ACTIVATE CONTROLS pad Press and hold MAX REF and DISPLAY OFF for 3 seconds Forced Compressor Start Press ACTIVA...

Страница 35: ...ed Showroom mode is entered When the control is in Showroom Mode the compressor condenser fan evaporator fan DC fan and defrost heater switches remain disabled The keyboard display and interior lights...

Страница 36: ...has been entered When the control enters Sabbath Mode it will disable the interior lights display excluding the 3 right hand blue squares and alarm enunciators Power Loss If power loss occurs in Sabb...

Страница 37: ...sounds and indicator lights blink if door is open for more than 3 minutes To turn off Door Open Alarm press ALARM OFF pad or close door To deactivate Door Open Alarm by pressing ACTIVATE CONTROLS pad...

Страница 38: ...circuit will result in failure of refrigerator to cool Shorted thermistor will cause refrigerator to run 100 percent of time except during defrost cycle Deg F Deg C K Ohms 24 31 565 22 30 531 20 29 49...

Страница 39: ...pressor dwell time Refrigerator temperature setting and thermistor value will determine if fresh food switch is open or closed Cut out and cut in temperature values must be reached and maintained for...

Страница 40: ...heck other refrigerator components OFF U v Control Board U i i If refrigerator settings thermistor condi tions are at levels in which compressor status should be ON Unplug inverter from power supply a...

Страница 41: ...verter compressor cable is interrupted Unplug inverter from power supply and wait for 2 minutes Reconnect the inverter to the power supply and wait for 12 minutes U v i i y V i compressor is OFF repla...

Страница 42: ...ing Preferred Service 42 Service Diagnostics and Procedures Parts Location Control Panel Upper Grill Assembly Overlay Switch Control Panel High Voltage Board Power Disconnect Switch Inverter Low Volta...

Страница 43: ...t to the control boards 1 To access the control panel remove the upper air grill assembly see Upper Grill Removal section remove 2 screws securing the control panel 2 Pull control panel from securing...

Страница 44: ...ontrol boards The overlay connects to the control board via a ribbon cable 1 To replace the overlay switch remove the upper air grill assembly remove the control panel see Air Grill and Control Panel...

Страница 45: ...l Low Voltage Board The unit uses a control board in conjunction with an overlay switch to operate functions of the refrigerator freezer Input comes to the low voltage board via the ribbon cable attac...

Страница 46: ...er E2 Evaporator fan E7 Fresh F door SW E8 Freezer door SW E9 Neutral E10 Line in 115 VAC E5 Defrost Terminator E6 Defrost Heater E12 Neutral In E12 Light relay High Voltage Board Component Test Point...

Страница 47: ...using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power s...

Страница 48: ...is determined by the frequency input from the low voltage board 1 To access the inverter remove upper air grill assembly remove control panel assembly see Air Grill and Control Panel Removal sections...

Страница 49: ...ated in the upper machine compartment of the unit 115 VAC is supplied to the fan when the Compressor Condenser Fan relay closes to E4 on the High Voltage Board WARNING To avoid risk of electrical shoc...

Страница 50: ...2010 Viking Preferred Service 50 Service Diagnostics and Procedures Parts Location Refrigerator Compartment Light Assembly Fresh Food Themistor Plasma Cluster Fan Assembly Interior Light Water Filter...

Страница 51: ...fan When the board calls for the fan to operate 24 VDC is sent to the fan via the E1 Purple at the H V Board 1 To access the fan open the refrigerator door and remove the upper shelf Remove 2 screws...

Страница 52: ...y pulling out on the top of the cover to release the cover tab from the mounting plate The freezer light cover is removed by pushing down on the top of the light cover while gently pulling out on the...

Страница 53: ...resistance in this device changes These changes are measured by the low voltage board and controls operation of the fresh food fan Refer to thermistor chart on page 38 1 To access the thermistor remov...

Страница 54: ...nite ohms in the other Water Filter The Side by Side unit uses a water lter to remove contaminates from the water supplied to the end user To access the water lter 1 Open the Fresh Food door locate th...

Страница 55: ...ng Preferred Service 55 Service Diagnostics and Procedures Parts Location Freezer Compartment and Lower Unit Non Dispenser Drain Pan Heater Float Switch Freezer Themistor Defrost Heater Ice Maker Evap...

Страница 56: ...king Preferred Service 56 Service Diagnostics and Procedures Parts Location Freezer Compartment and Lower Unit Dispenser Drain Pan Heater Float Switch Freezer Themistor Defrost Heater Ice Maker Evapor...

Страница 57: ...ntil they stall out against the ice The motor is designed to stall out and is geared to generate a lot of pressure This minimizes the amount of melting needed to extract the ice As soon as the ice is...

Страница 58: ...erify heater is heating If no heat is detected replace mold assembly Next ensure water is supplied to the ice maker When the ejector blade gets to the 11 00 position the water valve is energized for 7...

Страница 59: ...ule Thermal Cut Out TCO The TCO is a safety device and must NOT be bypassed If the TCO is found to be electrically open this indicates an overheat in the ice maker and the ice maker must be replaced W...

Страница 60: ...nect wiring repair replace auger motor 7 Reverse procedure to reinstall The motor has three wires white common orange and blue The motor is protected by a diode and polarity is important See the chart...

Страница 61: ...bracket 4 Remove screws and evaporator motor cover 5 Disconnect wiring and repair replace freezer fan 6 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or deat...

Страница 62: ...rews and center evaporator cover 4 Disconnect wiring and repair replace freezer fan 5 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect elect...

Страница 63: ...d With the main power switch OFF the defrost Heater can be tested by removing the orange wire off of terminal E6 on the HV board Using an ohm meter check the brown wire and Neutral and you should read...

Страница 64: ...disconnect wiring and repair replace defrost heater Freezer Glide Freezer Shelf Bracket WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using po...

Страница 65: ...ck wire at E10 If 0 is read then the bimetal is closed It in nity is read the bimetal is open Note Freezer temp must be below 20 8 5 F in order to check for a defective bimetal Another method to test...

Страница 66: ...dels utilize a single coil water valve to ll the ice maker when required Bottom View Dual Water Valve System Dispenser Model On the Dispenser models a dual water valve system in utilized When the wate...

Страница 67: ...ilter into the secondary valve and then out ice to the ice maker The purpose of the single dual valve system is so that if one valve mechanically sticks open the other would inhibit a flood condition...

Страница 68: ...e Diagnostics and Procedures Parts Location Dispenser Crushed Cubed Switch Flapper Light Switch Child Lock Switch Ice Door Switch Auger Switch Water Switch Light Switch Delay Relay Flapper Motor Paddl...

Страница 69: ...spenser bezel screws securing the chute cover gently pull the crushed cubed switch cover off and remove dispenser bezel 4 The covers for the ice and water paddles are attached to the rear of the dispe...

Страница 70: ...rple Crushed In nite Ohms Blue Purple Cubed 0 Ice and Water Paddles 1 Remove escutcheon follow bezel disassembly procedure 2 Remove screws securing ice dispenser paddle left and water dispenser paddle...

Страница 71: ...mbly if necessary 4 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires remo...

Страница 72: ...te to dispense 1 Remove cavity cover follow cavity cover disassembly procedure 2 Remove screws to remove Ice Module Assembly 3 Replace ice dispenser assembly if necessary 4 Reverse procedure to reinst...

Страница 73: ...assembly procedure 2 Test Switch Switch should read 0 from Red Yellow with the switch depressed and in nite with switch at rest Switch should read 0 from Red Gray with the switch depressed and in nite...

Страница 74: ...page 71 Dispenser Light Socket 1 Remove cavity cover follow cavity cover disassembly procedure 2 Test switch 3 If switch is found to be defective replace entire cavity cover assembly see page 71 WARN...

Страница 75: ...r disassembly procedure 2 Remove upper dispenser refer to upper dispenser disassembly procedure 3 Locate wires with female ends for the heater in the upper right hand corner 4 Locate wires with male e...

Страница 76: ...e replace if needed Ensure air ow is not obstructed Verify movement operation of fan Refrigerator too cold Temperature setting Control board Air ow Move control to medium setting Verify proper operati...

Страница 77: ...ion No water to refrigerator Turn on supply Look for obstructions in supply line or valve No water to ice maker Look for obstructions in water valve or ll tube Clogged water valve Clean or replace wat...

Страница 78: ...ion Ice maker not level Check level of refrigerator rst then level ice maker Can t level ice maker Level refrigerator rst then try again Open thermostat won t close below 17 F Replace thermostat Close...

Страница 79: ...2010 Viking Preferred Service 79 Wiring and Schematics Schematic Non Dispenser Model Freezer Fresh Food Bottom Cabinet...

Страница 80: ...2010 Viking Preferred Service 80 Wiring and Schematics Schematic Dispenser Model before 5 19 2010 Freezer Fresh Food Bottom Cabinet...

Страница 81: ...2010 Viking Preferred Service 81 Wiring and Schematics Schematic Ice and Water Dispenser before 5 19 2010...

Страница 82: ...Wiring and Schematics 2010 Viking Preferred Service 82 Freezer Fresh Food Bottom Cabinet Schematic Dispenser Model after 5 19 2010...

Страница 83: ...Wiring and Schematics 2010 Viking Preferred Service 83 Schematic Ice and Water Dispenser after 5 19 2010...

Страница 84: ...8 10 Line out to Condenser fan motor Brown w white to White 550 115 VAC 9 11 Refrigerator door switch Red w White to Black 0 or 115 VAC 11 10 Main in to HV Board Black to White N A 115 VAC 13 Neutral...

Страница 85: ...K WH 4 1 115 VAC N G H SERVICE 60 HZ RD WH RD WH 13 15 14 10 9 8 7 7 6 1 2 2 1 1 2 2 1 1 2 3 1 2 3 4 5 12 11 13 15 14 TOP OF CABINET WH BK PK WH 8 9 8 9 7 7 BK VT VT VT VT VT VT BK BK WH BK RD WH VT W...

Страница 86: ...Wiring and Schematics 2010 Viking Preferred Service 86 Wiring Diagram with Dispenser After 5 19 2010...

Страница 87: ...BK WH 1 10 OR WH GY YL BU WH OR TN VT PK 6 3 5 4 8 7 9 BU GY WH LT BU GN YL 13 12 11 14 RED BLK HIGH VOLTAGE POWER BOARD E13 LIGHT RELAY E12 120 VAC N E11 GROUND E10 120 VAC L1 E9 120 VAC N E8 FREEZE...

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