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Related Manuals for Subzero WOLF ICB WS Series
Summary of Contents for Subzero WOLF ICB WS Series
- Page 1 800.222.7820 ICB WS Series Service Manual General Information Installation Information Controls & Operation Sealed System Air Flow & Fan Blade Spacing Component Access & Removal Troubleshooting Guide Technical Data Wiring Diagrams...
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Page 2: General Information
International Toll Charge Facsimile #: (608) 441 - 5886 Indicates that hazardous or unsafe practices could Service Department e-mail Address result in minor personal injury, and/or product customerservice@subzero.com damage, and/or property damage! Office Hours: In addition, please pay attention to the signal word 7:00 AM to 7:00 PM Central Time “NOTE”, which highlights information that is especially... -
Page 3: Warranty Information
International W ine Storage Series International W ine Storage Series General Information (ICBWS) (ICBWS) WARRANTY INFORMATION The ICBWS Series carries no factory warranty. However, the Product Distributor or the Appliance Dealer may offer their own warranty. For this reason the model and serial number may be important informa- tion. -
Page 4: Model Descriptions
International W ine Storage Series International W ine Storage Series General Information (ICBWS) (ICBWS) MODEL DESCRIPTIONS This section briefly describes the models covered in this Technical Service Manual. NOTE: Functional parts are common to each model configuration, meaning for example, models ICBWS-30/F, ICBWS-30/O, ICBWS-30/S/TH, etc., will utilize common functional parts. - Page 5 International W ine Storage Series International W ine Storage Series General Information (ICBWS) (ICBWS) Wine Storage Temperature Table The table below shows the temperature range of the Wine Storage Units along with general recommendations on temperatures for “serving” wines. Serving wines at the recommended temperatures will insure that white wines maintain their lively and interesting taste, and red wines will maintain their scent and flavor.
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Page 6: Installation Information
International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) INSTALLATION CONSIDERATIONS This section uses some of the information in the ICBWS Series Installation Guide to address common installation issues seen by Service Technicians. Improper installation, though not a valid service issue, has the potential to lead to a call for service. - Page 7 International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) Finished Rough Opening Specifications (Model WS-30) I N S TA L L AT I O N S P E C I F I C AT I O N S TOP VIEW ( M O R M A L / N O N - F L U S H I N S E T ) 24"...
- Page 8 International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) Anti-Tip Bracket Installation THE UNIT COULD TIP FORWARD UNDER CERTAIN LOAD CONDITIONS. FAILURE TO INSTALL BOTH ANTI-TIP BRACKETS AND EXTEND LEVELERS TO FLOOR ACCORDING TO INSTALLATION MANUAL COULD RESULT IN SERIOUS INJURY OR DEATH.
- Page 9 International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) Flush Inset Installation Procedure: The two anti-tip brackets must be located 24''(610 mm) back from front of rough opening and a minimum of 4” (102 mm) from sides of rough opening. This will ensure that ant- tip brackets properly engage anti-tip bar at back of unit.
- Page 10 International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) Electrical Requirements Leveling the Unit A 220-240 V AC, 50/60 Hz, 10 amp circuit breaker and Once the unit is in position, the front leveling legs must electrical supply are required.
- Page 11 International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) Door Adjustments 90-Degree Door Stop The doors on the model WS-30 can be adjusted in The door on the model WS-30 opens to 110-degrees. three ways: up and down, side to side, and in and out. An optional 90-degree door stop kit is supplied with the unit, and is also available through a Sub-Zero dealer or IMPORTANT NOTE:...
- Page 12 International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) Door Panels Regardless of the installation application, it may be necessary to remove and/or install a door panel. To do this, the handle or handle-side trim will need to be removed first. The handle or handle-side trim is attached to the door with screws, and these screws are concealed by a screw cover.
- Page 13 International W ine Storage Series International W ine Storage Series Installation Information (ICBWS) (ICBWS) Anchoring the Unit After the unit has been installed and leveled, ALWAYS complete the installation with the Anchoring Kit compo- nents. This will assure a secure installation. ANCHOR SCREWS IMPORTANT NOTE: Be sure the unit is level before...
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Page 14: Electronic Control System
International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) ELECTRONIC CONTROL TERMINOLOGY & COMPONENT DESCRIPTIONS The ICBWS Series utilizes an electronic control system which monitors, regulates, controls and displays a variety of functions and operations in the appliance. The table below defines some of the basic electronic control system terminology. - Page 15 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) BASIC WINE STORAGE ELECTRONIC CONTROL SYSTEM This page contains a basic illustration of the ICBWS Series electronic control system (See Figure 3-1). Input opera- tions are performed at the membrane switch (part of the the control panel assembly), with monitoring, regulating and controlling functions taking place at the control board (located directly behind the control panel).
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Page 16: Control Board
International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) WINE STORAGE CONTROL BOARD LAYOUT AND SUMMARY TABLE The electrical connection points on the wine storage control board are labeled Alphanumerically. These labels correspond with the alphanumeric control board summary layout table on the wiring dia- gram. - Page 17 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) WINE STORAGE CONTROL PANEL LAYOUT Upper Compartment COLDER WARMER TEMP ALARM Temperature & UNIT POWER Upper SERVICE Alarm ON/OFF ON/OFF Compartment LED Icons/Indicators Display Window LIGHTS Lower Compartment LED...
- Page 18 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Adjusting Set-Points (Temperature Adjustments) To adjust set-points, press the WARMER or COLDER keys on the control panel in multiple key strokes until the desired set-point is achieved (See Figure 3-6).
- Page 19 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) UNIQUE WINE STORAGE INPUT OPERATIONS The following pages illustrate unique input operations performed at the control panel, namely: Temperature Units Selection Mode, Sabbath Mode and Showroom Mode. Temperature Units Selection Mode (Selecting Degrees Fahrenheit or Degrees Celsius Display) The electronic control in a ICBWS series unit is initially set to display temperature in Celsius (°C) units of measure.
- Page 20 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Showroom Mode Showroom Mode was incorporated into the electronic control system so the appliance could be displayed in a show- room setting. When in Showroom Mode, all cooling functions are disabled, but the lighting system remains active. To initiate Showroom Mode, begin by switching the unit OFF using the POWER key (See Figure 3-11).
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Page 21: High Voltage
International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) FUNCTION OF THE WINE STORAGE ELECTRONIC CONTROL SYSTEM The following pages explain monitoring, regulating and controlling functions of the electronic control system. Signal traces from the ICBWS-30 wiring schematic are used to show current flow for the functions being explained. ELECTRIC SHOCK HAZARD! POWER TO THE UNIT MUST BE DISCONNECTED WHENEVER SERVICING COMPONENTS POWERED BY ELECTRICITY OR COMPONENTS NEAR ELECTRICAL COMPONENTS. -
Page 22: Low Voltage
International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Display Average Compartment Temperatures The temperature signals from the thermistor in each compartment is monitored by the microprocessor and shown in the control panel LED display windows. The cabinet compartment icon closest to the appropriate display window indicates which compartment (upper or lower) the temperature is associated with. - Page 23 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Control Compressor, Condenser Fan, Dual Refrigerant Valve and Evaporator Fan Motors The control senses evaporator and compartment temperatures via thermistors; one on each evaporator, and one in each compartment.
- Page 24 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Monitor and Control Off-cycle Defrost With High Offset (Cut-in) being governed by evaporator temperatures, the refrigeration system will remain off until at least one evaporator temperatures exceed set-point by one degree. With a set-point of 38°F (3°C), the high-offset would be 39°F (4°C);...
- Page 25 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) POSSIBLE WINE STORAGE ERROR/FAULT INDICATORS All wine storage units are equipped with an audio-visual temperature alarm feature, as well as low voltage wiring provisions to allow the alarm to be tied into a home security alarm system. This section explains the temperature alarm feature and the audio and/or visual error indicators that may alert a customer of a malfunction.
- Page 26 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Cold Temperature Alarm A cold temperature alarm can occur if either wine storage compartment remains below 38°F (3°C) too long, in con- junction with several consecutive maximum run-time cycles. A cold temperature alarm situation will cause the serv- ice icon to flash (See Figure 3-22), and an appropriate error code to be logged;...
- Page 27 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Thermistor Malfunction Error/Fault Indicators The diagrams below illustrating what a customer may see on the display if there is a thermistor fault, such as a short circuit or open circuit condition.
- Page 28 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) WINE STORAGE TROUBLESHOOTING INPUT OPERATIONS The following few pages explain troubleshooting input operations performed at the control panel, namely: Diagnostic Mode, Manual Valve Activation Mode and Temperature Log Recall Mode. Diagnostic Mode Initiating Diagnostic Mode allows the Service Technician to observe real-time temperature readings from all thermis- tors without temperature averaging.
- Page 29 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Diagnostic Mode Alerts “EE” observed in the left display window during Diagnostic Mode - The thermistor, or its wiring in the location indicated by the code at right is open or shorted (See Figure 3-32).
- Page 30 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Manual Valve Activation Mode Manual Valve Activation Mode forces the refrigerant valve to feed refrigerant to the desired evaporator, while ener- gizing the appropriate evaporator fan motor along with the the compressor and condenser. Once initiated, the mode lasts for five (5) minutes, during which time the chosen evaporator’s temperature is displayed at the control panel.
- Page 31 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Temperature Log Recall Mode The electronic control system is equipped with a temperature history data storage system. This system logs/stores the average temperature of both zone/compartment thermistors every four hours, along with any event alerts (explained later in this section), that may have occurred.
- Page 32 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) Temperature Log Event Alerts The diagrams below illustrate possible event alerts that may be observed while toggling through readings in Temperature Log Recall Mode. (See Figures 3-39 through 3-42) Figure 3-39.
- Page 33 International W ine Storage Series International W ine Storage Series Electronic Control System (ICBWS) (ICBWS) WINE STORAGE TEMPERATURE LOG INDEX CHART Index # Previous Time Frame/Hours Index # Previous Time Frame/Hours Index # Previous Time Frame/Hours 4 Hours 92 Hours 180 Hours 8 Hours 96 Hours...
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Page 34: Sealed System Information
International W ine Storage Series International W ine Storage Series Sealed System Information (ICBWS) (ICBWS) HFC-134a REFRIGERANT SERVICE INFORMATION The sealed system contains HFC-134a refrigerant. This section gives some general rules for working with 134a, and explains procedures to be followed while servicing the sealed system. 134a refrigerant requires synthetic Ester oil in the compressor, and does not tolerate contamination from other refrigerants, moisture, petroleum-based lubricants, silicone lubricants, cleaning compounds, rust inhibitors, leak detection dyes, or any other type of additive. - Page 35 International W ine Storage Series International W ine Storage Series Sealed System Information (ICBWS) (ICBWS) WINE STORAGE SEALED SYSTEM REPAIR PROCEDURES Problem Service Procedures Non-Operating, Inefficient, Capture refrigerant Noisy Compressor Replace Compressor Replace filter-drier (NOTE: To check for a non- Evacuate or sweep charge system operating compressor, a hard NOTE:...
- Page 36 International W ine Storage Series International W ine Storage Series Sealed System Information (ICBWS) (ICBWS) WINE STORAGE SEALED SYSTEM COMPRESSOR The following six diagrams illustrate a basic wine stor- age sealed system. The components are listed in order of refrigerant flow, with an explanation of their funda- mental role as part of a sealed system.
- Page 37 International W ine Storage Series International W ine Storage Series Sealed System Information (ICBWS) (ICBWS) Capillary Tube(s) (Figure 4-4) COMPRESSOR CONDENSER The high-pressure warm liquid refrigerant travels FILTER through the long skinny capillary tube which is soldered DRIER to the suction tube (these two tubes soldered together CAPILLARY create the heat exchanger).
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Page 38: Refrigerant Flow Diagrams
International W ine Storage Series International W ine Storage Series Sealed System Information (ICBWS) (ICBWS) REFRIGERANT FLOW DIAGRAMS Condenser Compressor Dual Refrigerant Upper Heat Valve with Filter-Drier Exchanger Upper Compartment Evaporator Lower Heat Exchanger Lower Compartment Evaporator Frame Heater (Hot Gas) Figure 4-16. -
Page 39: Airflow / Fan Blade Spacing
International W ine Storage Series International W ine Storage Series Airflow / Fan Blade Spacing (ICBWS) (ICBWS) AIRFLOW / EVAPORATOR FAN-BLADE SPACING 7/8" ± 1/16" (2.22 cm ± .16 cm) CLAMP FORWARD (LOWER FAN BLADE) (UPPER FAN BLADE) CLAMP UP 7/8"... -
Page 40: Component Access And Removal
International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) COMPONENT ACCESS AND REMOVAL This section explains how to adjust, access and remove components. An attempt has been made to arrange these procedures in such a way as to simulate which components would need to be removed first in order to gain access to other components. - Page 41 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Model ICBWS-30 Exterior Cosmetic / Mechanical Components Kickplate To remove a kickplate, extract the screws from the left and right corners of the kickplate, then pull the kickplate forward.
- Page 42 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Door Switch The door switch is located at the top rear of the top cabinet frame, with the switch’s actuator protruding through a hole in the front of the frame. A series of tabs and pegs hold the door switch in place.
- Page 43 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Grille Assembly The grille assembly is attached at the top of the unit with screws passing through the grille’s side frames into Grille Bracket Grille Mounting Screws grille brackets.
- Page 44 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Top Door Hinge Assembly The top hinge assembly is secured to the unit with bolts that pass down through the cabinet hinge plate into threaded inserts. Screws passing down through the door hinge secure the hinge assembly to the door.
- Page 45 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Door Assembly The door assembly is secured to the top and bottom door hinges with screws. The post of the bottom door Bottom Cabinet Hinge Assembly hinge fits down into a bearing in the bottom cabinet hinge assembly’s door adjuster.
- Page 46 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Model ICBWS-30 Interior Cosmetic / Mechanical Components Door Gasket A dart at the back of the door gasket fits into metal Metal Channels channels attached to the inside perimeter of the door. To remove a door gasket, starting at one corner, pull the gasket dart from the metal channels.
- Page 47 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Upper Light Strip Light Strip Housing The upper light strip is captivated in the channel of the upper light strip housing. To remove the upper light strip, first remove the upper wine rack assemblies, then (See Figure 6-16): 1.
- Page 48 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Upper Evaporator Fan Assembly Fan Motor The upper evaporator fan assembly is attached to the rear wall of the compartment with screws. Fan Bracket Pocket To remove the upper evaporator fan assembly, first remove the fan cover and upper duct, then (See Figure 6-19):...
- Page 49 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Lower Duct Grille and Lower Duct Duct Grille The lower duct grille rests on top of the lower fan shroud assembly, with notches at each side of the grille fitting over tabs that are molded into the fan shroud.
- Page 50 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Lower Compartment Thermistor Thermistor The lower compartment thermistor is attached to the handle-side wall with a screw . To remove a compartment thermistor, first remove the lower duct grille and lower duct, then (See Figure 6-25): 1.
- Page 51 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Control Panel Assembly Do not break The control panel assembly is secured at the front of concealed tab the wine compartment divider with six screws at the bottom and a silicone seal under the top flange.
- Page 52 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Model ICBWS-30 Compressor Area Mechanical Components Condenser Fan Shroud Assembly Tabs at the back of the condenser fan shroud fit into grommets in the condenser’s rear bracket. A hole in Condenser Fan the bottom front flange of the condenser fan shroud fits Shroud Assembly...
- Page 53 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Refrigerant Solenoid Valve Removal Pry top open The solenoid is part of the refrigerant valve assembly, Pry bottom open which is secured to the top of the appliance with screws.
- Page 54 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Model ICBWS-30 Sealed System Components The sealed system components at the top of the appliance sit on a sliding unit tray. There is a slot in the unit tray running from front to back, with a bolt positioned in the middle of this slot and attached to the top of the appliance.
- Page 55 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Compressor Compressor Electrical The Compressor is secured to the unit tray with three Assembly, shoulder screws that pass down through rubber grom- Capacitor & Clip Compressor mets in the compressor base and into holes in unit tray.
- Page 56 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Evaporator The evaporators are attached to the rear wall of the Cut Here compartments with screws, behind the compartment duct assemblies. See Duct Assembly removal proce- dures earlier in this section.
- Page 57 International W ine Storage Series International W ine Storage Series Component Access/Removal (ICBWS) (ICBWS) Heat Exchanger The upper heat exchanger passes through the ceiling in Heat Cut Here the upper compartment and the lower heat exchanger Exchanger passes through the back wall in the lower compartment. NOTES: •...
- Page 58 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) TROUBLESHOOTING GUIDES This section of the manual contains: • Temperature Problem Diagnostic Worksheets • Error Code Tables and the Error Code Troubleshooting Guides • General Troubleshooting Guide •...
- Page 59 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) TEMPERATURE PROBLEM DIAGNOSTIC WORKSHEET Temperature Displayed: Lower _________ Upper _________ Set-Point: Lower _________ Upper _________ Diagnostic Mode Thermistor Readings: (Error Codes) _______________________________________ (Upper Evap) ________ (Lower Evap) ________ (Upper Cmprt) ________ (Lower Cmprt)________ Logged Temp.
- Page 60 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) TEMPERATURE PROBLEM DIAGNOSTIC WORKSHEET Temperature Displayed: Lower _________ Upper _________ Set-Point: Lower _________ Upper _________ Diagnostic Mode Thermistor Readings: (Error Codes) _______________________________________ (Upper Evap) ________ (Lower Evap) ________ (Upper Cmprt) ________ (Lower Cmprt)________ Logged Temp.
- Page 61 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) TEMPERATURE PROBLEM DIAGNOSTIC WORKSHEET Temperature Displayed: Lower _________ Upper _________ Set-Point: Lower _________ Upper _________ Diagnostic Mode Thermistor Readings: (Error Codes) _______________________________________ (Upper Evap) ________ (Lower Evap) ________ (Upper Cmprt) ________ (Lower Cmprt)________ Logged Temp.
- Page 62 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) Wine Storage Error Code Troubleshooting Guide Instructions Error Codes indicate problems logged by specific components. If error codes are logged, they will appear before temperature readings while in Diagnostic Mode and they can be toggled through with the temperature readings. 1.
- Page 63 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) WINE STORAGE ERROR CODE TROUBLESHOOTING GUIDE Error Code Test / Action EC 05 a. Check upper compartment thermistor electrical connections and continuity from thermistor to J2 on control board.
- Page 64 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) General Troubleshooting Guide The Table of Contents below indicates how the General Trouble Shooting Guide is arranged. 1. As close as possible, match the complaint, or description of the problem the unit is experiencing with those in the table of contents below.
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Page 65: Test / Action
International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) PROBLEM POSSIBLE CAUSE TEST / ACTION A. “SERVICE” FLASHING See Error Code Troubleshooting Guide See Error Code Troubleshooting Guide B. WARM TEMPERATURE IN Control Set Too Warm Check set-points. - Page 66 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) PROBLEM POSSIBLE CAUSE TEST / ACTION C. WARM TEMPERATURE IN Control Set Too Warm Check/adjust set-points. ONLY ONE WINE STORAGE COMPARTMENT Unit Recently Energized Allow time for unit to pull down Unit Recently Stocked with Wine Instruct customer High Room Ambient...
- Page 67 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) PROBLEM POSSIBLE CAUSE TEST / ACTION D. ACTUAL VS. DISPLAYED Wrong Units of Measure Selected, Initiate Temperature Units Selection Mode to TEMPERATURE OVER 10° (Fahrenheit - °F vs. Celsius - °C) check units of measure (°F or °C) selected.
- Page 68 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) PROBLEM POSSIBLE CAUSE TEST / ACTION NO LIGHTS Unit in Sabbath Mode Press & release POWER key. Door Switch Disconnected or Check switch electrical connections. Check Malfunctioning for power to / from switch.
- Page 69 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) SEALED SYSTEM DIAGNOSTIC INFORMATION Temperature Pressure NOTE: The temperature/pressure table at right is for refer- -30°F / -34°C 10” Vac / -.69 Bar ence only. A unit's temperature/pressure correlation may -25°F / -32°C 7”...
- Page 70 International W ine Storage Series International W ine Storage Series Troubleshooting Guides (ICBWS) (ICBWS) WINE STORAGE MEMBRANE SWITCH / RIBBON CABLE TEST PROCEDURE The membrane switch is that part of the control panel assembly consisting of the function keys used for all input functions to the electronic control system.
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Page 71: Wine Storage
International W ine Storage Series International W ine Storage Series Technical Data (ICBWS) (ICBWS) Model WS-30 WINE STORAGE CHARGE (R-134a Refrigerant) 0.13 kg NOTE: Always check serial tag for exact charge NORMAL OPERATING PRESSURES (at 21°C / 70°F) Low Side 10 psi to 36 psi High Side 90 psi to 100 psi... - Page 72 International W ine Storage Series International W ine Storage Series Wire Diagrams & Schematics (ICBWS) (ICBWS) WIRING DIAGRAM MODEL: ICBWS-30 -This wiring information is provided for use by qualified service personnel only. -Disconnect appliance from electrical supply before beginning service. PART NUMBER 7010060 REV.
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Page 73: High Voltage
International W ine Storage Series International W ine Storage Series Wire Diagrams & Schematics (ICBWS) (ICBWS) WIRING SCHEMATIC MODEL: ICBWS-30 -This wiring information is provided for use by qualified service personnel only. -Disconnect appliance from electrical supply before beginning service. PART NUMBER 7010060 REV.
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