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Icemaker Familiarization and Troubleshooting

Ice Makers

New Generation Compact – AKA, Mid South used on French Door Refrigerators (Ice-

land) Ice and Water in the Door
Modular Ice Maker – AKA, Whirlpool used on just about everything else

New Generation Compact Ice Maker

French Door Ice2o

To access, depress

release button

Mid-South

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Содержание R-106

Страница 1: ...CONSUMER SERVICES TECHNICAL EDUCATION GROUP PRESENTS R 106 TRAINING MANUAL Part No 8178689 ICEMAKER FAMILIARIZTION AND TROUBLESHOOTING ...

Страница 2: ...s designed for the experienced service specialist It keeps you advised of the most recent improvements and product changes and allows you to service these products more efficiently Copyright 2007 Whirlpool Corporation Benton Harbor MI 49022 WHIRLPOOLCORPORATIONassumesnoresponsibilityforanyrepairsmadeon our products by anyone other than authorized In Home Service Professionals ...

Страница 3: ...0 Releasing Wire Harness Cover Page 11 Cover Release Page 11 Removing Icemaker Page 12 Disconnect Electrical Page 13 Slide Out Assembly Page 13 Whirlpool Modular Icemaker Page 14 Water Adjustment Page 15 Test Points Page 15 Operation Page 16 Resistance Checking Page 17 Jumper Wire Page 18 Initiating a Harvest Cycle Page 19 Troubleshooting Page 20 Whirlpool Ice Production Page 21 Amana Iceland Refr...

Страница 4: ... iv NOTES ...

Страница 5: ... Generation Compact AKA Mid South used on French Door Refrigerators Ice land Ice and Water in the Door Modular Ice Maker AKA Whirlpool used on just about everything else New Generation Compact Ice Maker French Door Ice2o To access depress release button Mid South ...

Страница 6: ...age Bin and Cover Slide Out Bin Mid South To remove storage bin and cover with the release button depressed slide out the assembly Bin and Cover Removed Mid South With the ice bin removed the icemaker can be accessed ...

Страница 7: ... is identical except for the following The metal feeler arm has been replaced with a plastic paddle that moves up and down on a cam During the ice ejection cycle the paddle lifts in the same manner as the feeler arm and automatically turns the icemaker off if it senses that the bucket is full while on its downward movement ...

Страница 8: ... The temperature of the ice continues to drop until a thermostat in the ice maker closes The thermostat is in contact with the mold and senses the temperature of the mold and thus the ice within the mold Designs vary but the mold temperature must drop to around 15 F before the thermostat closes This assures that the water is completely frozen before the icemaker attempts to eject the ice The closi...

Страница 9: ...itch contact falls into the notch again At the same time the feeler arm begins to raise Since the shut off switch is me chanically coupled to the feeler arm movement of the arm causes the shut off switch contacts to transfer The transfer of both these switches creates a parallel current path for the mold heater and the icemaker motor The heater begins to thaw the ice in the mold and the motor adva...

Страница 10: ...y of compact icemakers used today are equipped with a water fill adjustment Turning the fill adjustment screw changes the alignment between the cam and switch and alters the amount of time the fill switch is energized One full turn of the screw in either direction changes the fill 20 cc s approximate Manual Cycle Initiation As we learned the icemaker ejection cycle is initiated by the thermostat I...

Страница 11: ...Generation Schematic 120 Volt 60 Cycles TCO New On Off Switch New Mid South Mid South design incorporates an ON OFF switch and Thermal Cut out These fea tures were not on the original Whirlpool compact design ...

Страница 12: ...id South Remove one screw to remove front cover Cover Removed Water fill adjustment screw On Off switch Drive gear Mid South Mid South With the cover removed the drive gear and water fill adjustment screw are accessible ...

Страница 13: ...mate To Start a Harvest Cycle Use a blade screwdriver and turn screw counterclockwise Mid South Mid South Manual Cycle Initiation The icemaker ejection cycle is initiated by the thermostat If however the icemaker is not ejecting it will be necessary to manually initiate an ice ejection cycle After removing the front cover turn the motor shaft small gear turn in the counter clockwise direction This...

Страница 14: ...t likely at fault If the ejector blades stopped between the 9 and 10 o clock positions the hold switch is most likely at fault An ejector at the 4 o clock position normally indicates an open heater Any position other than the 9 or 4 o clock positions may indicate motor problems or broken stripped or missing parts in the housing Starting A Harvest Cycle Turn small gear counterclockwise Mid South To...

Страница 15: ...o remove the ice maker begin by removing the wire harness cover This is accom plished by using a small blade screwdriver to depress the hidden catch that secures the cover to the cabinet With the release depressed pull the cover forward and away from cabinet wall Cover Release Cover Removed showing hidden Release Mid South ...

Страница 16: ...ng Icemaker Mid South Removing the cover exposes the icemaker wiring harness Disconnect Electrical Wiring Harness must be disconnected to remove icemaker assembly Mid South Disconnect the icemaker wiring harness ...

Страница 17: ...Maker assembly removed Mid South With the harness disconnected the icemaker can be removed there is enough har ness available to connect the icemaker when removed from the cabinet to initiate a water fill or harvest if necessary ...

Страница 18: ...14 Whirlpool Modular Ice Maker Modular Ice Maker Remove Cover Modular Whirlpool Modular Ice Maker The front cover pops off a bladed screwdriver may be necessary to release cover ...

Страница 19: ...making a fill adjustment Water Fill Adjustment The fill level is adjustable by turning a screw or knob on some models on the side of the icemaker module Turning the screw clockwise reduces the fill turning the screw counter clockwise will increase the fill Do not turn the screw or knob more than one full revolution in either direction or damage to module could occur Test Points N M H T L V N M H T...

Страница 20: ...losing of the thermostat The motor and heater are energized the feeler arm raises and the ejec tor blades rotate until they come in contact with the ice about the 4 o clock position The motor stalls until the heater frees the ice from the mold Once the ice is dislodged from the mold the ejector arm continues its sweep Be tween the 7 and 8 o clock positions the thermostat opens When the ejector bla...

Страница 21: ...the heater 72 ohms 10 Inserting the leads between L and M will check the motor resistance approximately 4400 ohms Test points V and N will check the resistance of the water valve coil approximately 300 ohms This check is especially helpful since it allows you to check the continuity of the water valve without having to pull the refrigerator away from the wall The refrigerator must be unplugged fro...

Страница 22: ... be used to start a harvest cycle or energize specific electrical loads 14 gauge wire Modular Thermostat T to H Starts Harvest Cycle Timer Motor M to N Water Valve L to V Heater H to N Energizing components using a jumper wire Modular ...

Страница 23: ...d back inch on both ends can be used to start the cycle Inserting the jumper between contacts T and H will simulate the closing of the thermostat and will energize the timer motor and the heater Re move the jumper after 3 seconds The icemaker should continue to run without the jumper in place If the jumper is not removed prior to the ejector blades reaching the 10 00 o clock po sition the water va...

Страница 24: ... a complete interruption of ice pro duction Check for ice cubes out of bucket Cubes not in the ice bucket could indicate a bent feeler arm or an inoperative shut off switch Examine the ice Over or undersized cubes indicate incorrect water fill quantities Partially frozen cubes liquid centers indicate premature cycling Fused cubes nor mally indicate that the freezer temperature has climbed above 32...

Страница 25: ...emaker gear Check the feeler arm The arm should move freely and a click should be heard when the arm is moved to its upper most position A binding arm can cause the mo tor to stall A bent or distorted arm can cause the ice bucket to overfill or prematurely turn the icemaker off before the bucket is full Troubleshoot system Once the visual inspection is completed verify your diagno sis before repla...

Страница 26: ...lower system that will be incorporated at the same time the Whirlpool IM is implemented Amana Iceland Refrigerators Average time of ice production New Generation Compact Mid South 1 harvest per hour 22 per day 176 cubes Modular Whirlpool 1 harvest per 50 minutes 26 per day 208 cubes Reason The faster ice rate with the Whirlpool icemaker is due to the new centrifugal blower system that will be inco...

Страница 27: ...ure of the Iceland ice maker compartment is 15 degrees F The set point of the ice maker compartment is 25 degrees if the icemaker switch is turned off Step 2 Check size and quality of cubes If undersized check and diagnose water supply Plugged screen on water valve Frozen or partially plugged fill tube Water pressure too low Refrigerator hooked up to Reverse Osmosis filter Water supply hooked up t...

Страница 28: ...n at the inlet to prevent debris from entering the valve If enough debris is introduced into the water the screen could plug and reduce the water flow to the icemaker The refrigerator is hooked up to a Reverse Osmosis filter With America s grow ing obsession for clean water consumers are installing reverse osmosis RO filters in their homes In a RO filter water is forced through a membrane which tr...

Страница 29: ...led The second type the self piercing saddle valve requires no drilling and is the valve of choice for most consumers The consumer clamps the valve around the pipe tight ens the valve down and turns the T shaped shut off handle until the needle in the valve pierces the tubing The ease of installation of these valves unfortunately makes them very popular even with professional installers Because of...

Страница 30: ... Cycle Catch fill water in baby bottle Correct Water Charge ranges from 113 cc ml to151 cc ml Approx 4 to 5 Ounces Adjust Fill Volume as Needed Note Check all possibilities that could cause a short or long fill before making a fill adjustment Checking Water Fill Use a baby bottle to catch a fill sample ...

Страница 31: ... cc s Whirlpool SXS 130cc Whirlpool Top Mount 140cc No Ice Production Safety Interlock Example Freezer Door Open Lights On Icemaker Off Freezer Door Closed Lights Off Icemaker On Some refrigerator incorporate a icemaker light switch as a safety If the door is open the icemaker circuit is de energized ...

Страница 32: ...er valve Clogged water valve filter screen Water turned off Self piercing water valve clogged Unit hooked up to failed Reverse Osmosis system If water supply OK go to step 3 Step 3 Initiate ice harvest Compact icemaker advance motor Modular Icemaker jump out the icemaker thermostat by shorting test terminals H to T thermostat Step 4a If icemaker fails to start check voltage to icemaker If voltage ...

Страница 33: ...E PROFESSIONAL IN CANADA FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL 1 800 461 5681 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER S HOME CALL THE TECHNICALASSISTANCE LINE 1 800 488 4791 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN AUTHORIZED IN HOME SERVICE PROFESSIONAL FOR WHIRLPOOL PRODUCTS 1 800 253 1301 FOR KITCHENAID PRODUCTS 1 800 422 1230 FOR ROPER PRODUCTS 1 800 447 673...

Страница 34: ...CORPORATION ...

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