U-Line U-1075WC, SP 18, U-1075BEV, U-CO29A, ULN-98, U-CO29F, ULN-95, BI-2115, U-CO1175 Troubleshooting

Page 14

 

 

 

 

 

 

Section 2 - Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cause

 

Remedy

 

 

 

 

 

 

 

Low ice production.

 

 

 

 

1.

Control set too cold.

1.

Adjust control warmer (counterclockwise).

 

 

2.

Fan motor stalled.

2.

Replace fan motor.

 

 

3.

Ice cubes too large.

3.

Lower water fill adjustment.

 

 

4.

Dirty condenser.

4.

Clean condenser.

 

 

5.

Bypass valve stuck open (Frost Free units only).

5.

Replace bypass valve (Frost Free units only).

 

 

 

 

 

 

 

Not freezing (compressor and fan motors

 

 

 

 

operating).

 

 

 

 

1.

Little or no frost pattern on evaporator.

1.

Check for sealed system leak or restriction.

 

 

2.

Bypass valve stuck open (Frost Free units only).

2.

Replace bypass valve (Frost Free units only).

 

 

 

 

 

 

 

Not freezing (compressor not operating - fans

 

 

 

 

operating).

 

 

 

 

1.

Relay inoperable.

1.

Replace relay.

 

 

2.

Overload inoperable (open).

2.

Replace overload.

 

 

3.

Compressor inoperable.

3.

Replace compressor.

 

 

 

 

 

 

 

Not freezing (compressor and fans not

 

 

 

 

operating).

 

 

 

 

1.

Power cord not plugged in.

1.

Plug in power cord.

 

 

2.

On/Off switch in off position.

2.

Turn switch to on position.

 

 

3.

On/Off switch inoperable (open).

3.

Replace On/Off switch.

 

 

4.

Hold switch inoperable (open).

4.

Replace hold switch.

 

 

5.

Control inoperable (2-3 contacts open).

5.

Replace control.

 

 

6.

Broken wire in freeze circuit.

6.

Repair or replace wiring.

 

 

7.

Ejector blades not in freeze position (12:00)

7.

Manually advance ejector blades to the 12:00 position (test ice maker and

 

 

 

 

 

 

 

limit switch).

 

 

 

 

 

 

 

Compressor overheating.

 

 

 

 

1.

Condenser air flow restricted.

1.

Remove restriction (clean condenser and grille).

 

 

2.

Condenser fan blade obstructed.

2.

Remove blade restriction.

 

 

3.

Condenser fan motor stalled.

3.

Replace fan motor.

 

 

4.

Compressor inoperable.

4.

Replace compressor.

 

 

 

 

 

 

 

Compressor will not stop operating.

 

 

 

 

1.

Control set too cold.

1.

Adjust control warmer (counterclockwise).

 

 

2.

Control inoperable (2-3 contacts will not open).

2.

Replace control.

 

 

3.

Control sensing bulb not sensing mold temperature.

3.

Fully insert bulb into ice maker tube. Rout bulb away from compressor

 

 

4.

Evaporator fan stalled (Frost Free units only).

 

discharge tube.

 

 

 

 

 

 

 

 

 

 

4.

Remove obstruction or replace motor.

 

 

 

 

 

 

 

 

 

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Contents 2010 General Information Potential Problems with HFC-134AIntroduction Table of Contents General Precautions Safety PrecautionsSafety Alert Definitions Line Corporation Limited Warranty Product Liability Policy Leaders In Quality Undercounter RefrigerationProof of Purchase Warranty Claims ProcedureSerial Number Format Year Shop MonthParts Listing How to Order Replacement PartsGeneral Information This page intentionally left blank Troubleshooting Customer Call GuideRefrigeration System Diagnosis Guide NormalICE Maker Diagnosis Flow Chart IntermittentTroubleshooting Cause Remedy Will not eject ice water frozenTroubleshooting Cause Remedy Water leak under unit Normal Vapor/Compression Cycle Refrigeration Service and RepairRefrigeration Systems Frost Free Refrigeration Frost Free Air Flow COMPRESSOR/ELECTRICAL Specifications Compressor PinsModels U-1075BEV, U-1075WC, 29R- Figure Harvest-1 Cycle Figure ICE Maker Operating CyclesFreeze Cycle Figure Eject Cycle Service and Repair Harvest-2 Cycle FigureWater Fill Cycle Figure Harvest Cycle ICE Maker Operating Cycles U-CO29F ModelFreeze Cycle Water Fill CycleTemperature Control Specifications Temperature Controls Manual Defrost Ice MakersLimit Switch Specifications Limit SwitchReplacing ICE Maker Assembly CO29F only Replacing ICE Maker Assembly ALL Models Except CO29FThis page Intentionally Left Blank 110V P/N 220V P/N Description Volt Conversion ListParts Line ICE Maker Assembly Model Ice Maker Part NumberModel SP18 Part No. Black Part No. White Description SP18B-TRAVELPIN SLV-TRAVEL-PINModel ULN-95 1 Model ULN-95 1 BI95B, BI95WH, BCM95Model ULN-95 2 Model ULN-95 2 SS95Model ULN-98 BI98B, BI98WH, SS98 SS98Model SS-1095 95SS-FRAME Model U-CO29F Model U-CO29F 1 Model U-CO29F 2 Model U-CO29F 2 Model U-CO29A CO29B-03 CO29WH-03 CO29B-00 CO29WH-00 Description Model ULN-29R Model 29R Model 1075BEV 80-17105-03 Model 1075WC Model 1075WC CO1175 page 1 CO1175 page 1 Part No. Black Description Stainless SteelCO1175 page 2 CO1175 page 2OF Model BI-2115 Part No. Black Part No. White Description Stainless Steel Model ADA15IM Fill Tube Assembly includes water line Parts This page intentionally left blank Wiring Diagrams ULN-95, ULN-98, SP18 & SS-1095 115 Volt CO29F 115 VoltCO29A, CO1175A, BI2115, ADA15IM 115 Volt ULN-29R 115 Volt 1075BEV, 1075WC 115 Volt Wiring Diagrams Product Information About U-LINE
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