Viking 15 Series Service Manual Download Page 27

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Page27

15” & 24” Series

Technical Services Manual

SMR-0014

Service Diagnosis

Problem

Check

Possible Cause

Remedy

Ref. Pg.

No Cooling

Solid State Con-

troller

Controller powered

Off

Depress Power button

Not calling for cool-

ing

Adjust temperature set point

Bad contacts

Check for continuity and replace 14

Loose connections

Tighten

Cooling indicator

light off

Replace Controller

Power cord

Not plugged into

receptacle

Plug into receptacle

Modular connection

loose

Remove back panel and check

connection

Controller

Open Circuit - Dam-

aged

Replace Controller

Supply Power

Blown breaker or

fuse

Reset or replace

Compressor

Start Components

Replace Start Components

Refrigerant leak

Find leak, repair, and recharge

Cabinet Not

Achieving Set

Point

Door switch

Plunger broken

Replace Switch

Not fully depressed

Door \ Drawer gaskets not

seated properly

Check lower hinge for smooth

operation. Door must ride on

cam assembly

Door \ Drawer

Front Panels

Door \ Drawer panels

Warped

Replace

Light On

Manual switch ON

Turn Off

Evap. Coil for ice

buildup

Door \ Drawer left

open

Defrost coil

Air leak from refriger-

ant line access hole

Defrost coil and reseal access

hole.

Product blocking

evaporator inlet or

outlet

Move product away from return

louvers and supply fan

Summary of Contents for 15 Series

Page 1: ...gerator Outdoor FRDI VRDI 1240D 24 Refrigerated Drawer VRDO 1240D 24 Refrigerated Drawer Outdoor FWCI VWCI 1150G 15 Wine Cellar Single Zone FWCI VWCI 1240G 24 Wine Cellar Single Zone SMR 0014 Service Manual Preferred Service This Base Manual covers general and speciﬁc information including but not limited to the following models ...

Page 2: ...Page2 15 24 Series Technical Services Manual SMR 0014 ...

Page 3: ...cifications 7 Illustration 2B FRCI FRCO FBCI FWCI FRDI FRDO 1240 Anti tip Installation Specifications 8 SECTION 3 Normal Vapor Compression Cycle Refrigeration 10 Compressor Specifications 10 Electronic Control Functions 11 12 Changing Temperature From Fahrenheit to Centigrade 13 14 Controller Alarm Signals Recovery 14 Controller Replacement 15 Temperature Probe 16 Probe Replacement 17 Shelf Remova...

Page 4: ...ter FBCI VBCI 1240G 24 Beverage Center FRCI VRCI 1240G 24 All Refrigerator VRCO1240D 24 All Refrigerator Outdoor FRDI VRDI 1240D 24 Refrigerated Drawer VRDO1240D 24 Refrigerated DWR Outdoor FWCI VWCI 1150G 15 Wine Cellar One Zone FWCI VWCI 1240G 24 Wine Cellar One Zone The model and serial numbers can be found inside the left compartment located on the front left corner of the ceiling This informa...

Page 5: ...SAVE THESE INSTRUCTIONS REVIEW ALL SERVICE INFORMATION IN THE APPROPRIATE SERVICE MANUAL AND TECHNICAL 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 be required Products should be serviced only by a qualified authorized service technician who is fa...

Page 6: ...zed for use within any Resi dential Refrigeration Products Subject use will void complete system warranty and place the burden on the service company for down line service issues Cleanliness of the system is extremely important The presence of residue Chlorinated or greasy residues mineral oil or impurities can lead to capillary tube restrictions oil return problems and compressor damage Flux must...

Page 7: ...binet Ensure all specifications are satisfied to alleviate installation problems which may be causing the service call CAUTION IF CABINET IS INSTALLED UNDER A COUNTER TOP IT SHOULD BE SUPPORTED BY STRUCTURE OTHER THAN THE REFRIG ERATED CABINET TO PREVENT DAMAGE TO THE COUNTER TOP BEFORE MOVING OR REPOSITIONING CABINET ENSURE THAT THE COUNTER TOP IS SUPPORTED PROPERLY Illustration 1A Installation S...

Page 8: ...Page8 15 24 Series Technical Services Manual SMR 0014 Illustration 1B Installation Specifications 24 Series ...

Page 9: ...eries Use the above illustrations to locate the holes needed for your specific model Mount the brackets as shown in Illustrations 2A and 2B then slide the cabinet into the opening to engage and prevent tip dur ing use NOTE DO NOT EXTEND LEVELER LEG MORE THAT OUT OF BASE SHIM OR PAD TO OBTAIN LEVELNESS IF ADDITIONAL HEIGHT IS NECESSARY 15 16 13 1 32 3 16 FRONT OF UNIT 3 8 ANTI TIP BRACKET PART 6374...

Page 10: ...e gas is pumped out the discharge line and into the condenser The cycle continues Compressor Specifications The compressors used in 15 24 Series Re frigerated Cabinets are constructed using stan dard reciprocating hermetic style compressors Fan Motors All Models The condenser and evaporator fan motors are identical The fan was specifically selected for the design for maximum efficiency of the refr...

Page 11: ...120 V 4 VA Max The controlling circuit is 20A max for the entire control This controller employs two separate relays one for the compressor condenser fan and evaporator fan motors the other is for the light Temperature Control Adjustments Primary Key Functions Turns on off the power to the unit Interior light Disables light display and function of remaining buttons Displays maximum stored tempera ...

Page 12: ...by either waiting 10 seconds or by pressing the SET button Minimum Temperature Reading The controller can remember and display the lowest temperature the sensor has recorded To display this reading press and release the DOWN ARROW button The Lo message will appear followed by the lowest temperature recorded To return to normal display press and release the DOWN AR ROW button or wait 5 seconds Maxi...

Page 13: ...ISPLAY CURRENT SETTING USING THE DOWN ARROW CHANGE THE SETTING TO B See Table 1 page 14 PRESS THE SET KEY ONCE TO RECORD THE CHANGE USING THE UP ARROW SCROLL THROUGH THE PARAMETERS UNTIL HY SHOWS ON THE DISPLAY PRESS THE SET KEY ONCE TO DISPLAY THE CURRENT SETTING USING THE UP OR DOWN ARROW CHANGE THE SETTING TO C See Table 1 page 14 PRESS SET ONCE TO RECORD THE CHANGE NEXT LS WILL SHOW ON THE DIS...

Page 14: ...obe restarts normal operation Always check probe connections and resistance before replacing the probe Temperature Alarms HA and LA automatically stop as soon as the thermostat temperature re turns to normal values Controller Programming There are no adjustments to the programs that can be done from a service standpoint The only meth od of programming is through the replacement of the controller f...

Page 15: ... the front face plate be pressing the locking tab located at each end 2 With the face plate off using a Phillips head screwdriver remove the two screws and slide the controller out 3 Once removed exchange wires one by one from the old controller to the new making sure that the wire designation matches the terminals 4 Slide the controller back into the cabinet housing and re fasten securely with th...

Page 16: ...ed directly behind the controller housing and is terminated directly onto the controller under the green terminals See the values below for temperature to resistance values when trouble shooting probe or tem perature issues Temperature F Resistance Ohms Temperature F Resistance Ohms 22 111300 77 10000 13 86430 86 8313 4 67770 95 6940 5 53410 104 5827 14 42470 113 4911 23 33900 122 4160 32 27280 13...

Page 17: ...lf or drawer can continue to be pulled out of the cabinet Fig 1 Fig 1 Fig 2 2 Remove each cabinet slide by first lifting the front out of the key slot and then forward Fig 2 Defrosting In the event that the evaporator coil is covered with ice not frost a physical defrosting may be needed to clear the coil This condition may be the result of a door or drawer being left open a failed tempera ture pr...

Page 18: ...ges to catch melted water When complete reinstall all components Light Bulb Replacement The light is located just behind the temperature control housing To replace a defective or burnt out light bulb simply unscrew the bulb counter clockwise and replace with an identical LED bulb Viking number 67026 Door Switch Replacement Caution Disconnect power to the cabinet before servicing With the front gri...

Page 19: ... and continuing all the way around All Gaskets are a dart and slot design The new gasket should be positioned onto the door or drawer Starting at the corners insert the gasket dart into the slot and press firmly After all corners have been engaged continue down each side until the entire gasket is in position A rubber or plastic hammer can also be used to aid in the dart insertion ...

Page 20: ...ive humidity conditions the front face gasket and or glass door may show signs of sweating This will diminish when temperature relative humidity conditions re turn to normal Is the unit in an application of heavy use If the door s or drawers are being opened excessively or not sealing properly this allows extra heat into the unit causing extended compressor run times Ensure door s and drawers are ...

Page 21: ...r set point Has an adjustment been made Pressing and releasing the controller set button will display the current set point To adjust the con troller set point press and hold the set key for three 3 seconds the current set point will flash in the display Adjust the set point colder by pressing the down arrow key until point value shows in display Press the set key once for the controller to memori...

Page 22: ...Page22 15 24 Series Technical Services Manual SMR 0014 Fig 4 Fig 5 Viking uses the following defrost technologies Defrost Method Models Off Cycle Defrost All ...

Page 23: ...i cycle time 5 minutes for all models 2 Evaporator Airflow Check evaporator airflow The evaporator fan is controlled by the digital controller and the door switch Ensure both the fan LED is illuminated and the door switch is depressed for the fan to be receiving power Air should enter through bottom louvers and exit out of fan guard openings Evaporator fan cycles with compres sor 3 Clear Obstructi...

Page 24: ...ed Ensure the fan blade is not obstructed 14 Compressor Runs LED Snowflake must be illuminated for compressor to operate Using a clamp on style amp probe determine if the compressor is drawing current and record If compressor is running go to 19 15 Power to Compressor Check to ensure power is at the black wires leading to the over load 115 V nominal If no power find where the voltage is being inte...

Page 25: ... if frost pattern changes If frost pattern changes system is most likely low on charge If no change me tering device may be restricted 21 Repair Metering Device Following established industry practices and applicable local state and federal laws regarding refrigerant handling See section Potential Problems with HFC 134a for Viking Range Processing recommendations check for restrictions Within the ...

Page 26: ...lished industry practices and applicable local state and federal laws regarding refrigerant handling See section Potential Prob lems with HFC 134a for Viking Range Processing recommenda tions 25 Unit Functioning Normal If unit is still not functioning normally contact factory for additional assistance or review above steps for possible omissions ...

Page 27: ...am aged Replace Controller 14 Supply Power Blown breaker or fuse Reset or replace Compressor Start Components Replace Start Components Refrigerant leak Find leak repair and recharge 5 Cabinet Not Achieving Set Point Door switch Plunger broken Replace Switch 17 Not fully depressed Door Drawer gaskets not seated properly 18 Check lower hinge for smooth operation Door must ride on cam assembly Door D...

Page 28: ...oise during operation All components Vibration Secure components Certain sounds are normal Sounds from the compressor fans and valves are normal Controller display is flashing HA Door Closure Door gasket torn or out of place replair or replace 18 Warm products Was cabinet loaded with warm product Allow extra time for pull down Condenser coil Coil covered with dirt pet hair etc Clean condenser usin...

Page 29: ...e Condenser Coil Coil covered with Dirt pet hair ect Clean condenser using a brush and vacuum 20 Louvered toe grill obstructed Clear all obstructions Product tempera ture Large quantities of warm product being loaded at one time Allow extra time for pull down Refrigeration system runs for long periods of time Door Closure Door Drawer gasket torn or out of place Repair or replace 18 High ambient hu...

Page 30: ...Page30 15 24 Series Technical Services Manual SMR 0014 SECTION 5 DiagramS ...

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