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Service Diagnosis

July 2007

Page 17

CS0415

Service Manual

Symptom

Possible Cause

Probable Correction

No ice, not operating

No power at wall outlet

Check circuit breaker/fuses

No power at auxiliary drain

pump power outlet

Check for kinked drain hose,
blocked screen or blocked vent
outlet or hose.

Disconnected selector switch

Reconnect and check for proper
operation.

Room temperature below 55

(13

Bin thermistor has unit shut off

Ice touching bin thermistor

Normal operation

No ice.

Will not make ice. Water

reservoir is empty. Evaporator is
cold with thin or no ice slab

Water supply turned off

Turn on water supply

Loose or missing reservoir cap

Tighten or replace

Water slide return tube out of
reservoir

Reposition tube

Inlet tube out of position and
missing reservoir

Reposition tube

Water inlet tube frozen near
evaporator

Thaw and reposition tube

Defective inlet water valve

Test and repair or replace

An ice slab only partially
released from evaporator and
water was bridged down into the
bin

Look for interference with cutter
grid and clean the evaporator
plate

Will not make ice. Water
reservoir is empty. Evaporator is

cold with 3/4" thick or larger ice
slab

Slab will not release during
harvest due to scale build up

Clean the evaporator plate

Defective or disconnected hot
gas valve

Test and repair or replace

Room temperature over 100

(38

Move machine or reduce heat

Off LED on.

Open or disconnected bin or
evaporator thermistor or
thermistor wiring

Test thermistor & wiring harness
or reconnect

Содержание CS0415

Страница 1: ...Service Manual for Cuber Model CS0415 ...

Страница 2: ...peration Page 15 Flow Chart Freeze Mode Details Page 16 Service Diagnosis Page 17 Service Diagnosis Page 18 Removal and Replacement Thermistor Page 19 Removal and Replacement Page 20 Removal and Replacement Controller Page 21 Removal and Replacement Page 22 Removal and Replacement Evaporator Page 23 July 2007 Page 2 CS0415 Service Manual Introduction This is the service manual for the CS0415 ice m...

Страница 3: ...bs 21 kg 80o F 27o C 47 lbs 21 kg 90o F 32o C 40 lbs 18 kg 100o F 38o C 40 lbs 18 kg Ice Shape 3 4 x 3 4 Square Ice Thickness Normal Setting Approximate 0 32 or 5 16 8 1 mm Ice Thickness Thin Setting Approximate 0 28 or 9 32 7 0 mm Ice Thickness Thick Setting Approximate 0 39 or 3 8 9 9 mm Storage Capacity Approximate 24 lbs 10 9 kg Exterior Dimensions W x D x H 15 x 24 x 34 381 or 457 2 x 609 6 x...

Страница 4: ...not connect to an extension cord Do not cut off the ground prong off the power cord plug Do not bypass the ground prong The cabinet is designed to be either free standing or built in In either case the area in front of the kickplate must be free of obstruction Blocking this area will cause low ice capacity and likely damage the machine Such damage is considered mis use and is not covered by warran...

Страница 5: ...s on steady it is OK If it blinks twice and repeats it is open If it blinks 4 times and repeats it is shorted Test 2 testing the evaporator thermistor The Clean light is the indicator if it is on steady it is OK If it blinks twice and repeats it is open If it blinks 4 times and repeats it is shorted Test 3 testing the inlet water valve Four minute test Test 4 testing the water level sensor Test 5 ...

Страница 6: ...orator Thermistor End Harvest Readings Ice Thickness Temperature Resistance Normal 52o F 3 18 7k ohms 1 Thick Thin Other Technical Information Wattage 120 V Resistance Compressor 244 Run 1 5 Start 3 11 Water pump 7 5 3 6 Reservoir drain pump 4 5 3 6 Water valve 20 Hot gas valve 7 9 385 Bin thermistor 10k 77o F Evap thermistor 10k 77o F Transformer 73 Fan motor 5 1 7 1 185 Cutter grid 20 ...

Страница 7: ...the condenser accumulating tube condenses to a liquid and remains in the accumulating tube During the later stages of the Freeze mode as the ice slab forms on the evaporator freezing plate some of the refrigerant passing through the evaporator will not evaporate into a gas but will remain a liquid This liquid refrigerant will settle in the accumulator while the refrigerant vapor is sucked off thro...

Страница 8: ...tor plate so that the ice slab releases quickly and evenly The ice slab when released slides off of the evaporator plate onto the cutter grid Water System The electronic control board sends a signal to the water valve The signal tells the water valve how much water to be filled allowing water to flow into the water reservoir pan The water fill volume is determined by the ice thickness setting As a...

Страница 9: ... Controller Light Switch Transformer Evaporator Cutter Grid Push Button Switches Bin Thermistor Water Level Sensor Water Pump Reservoir Drain Pump Condenser Compressor Fan Motor Hot Gas Valve Measured Fill Inlet Water Solenoid Valve Condenser Accumulator Tube ...

Страница 10: ...ion July 2007 Page 10 CS0415 Service Manual Water Distributor Evaporator Water Return Tube Manual Drain Water Valve Outlet Tube Measured Fill Valve Bin Drain Reservoir Drain Pump Resevoir Water Pump Water Level Sensor ...

Страница 11: ... manual diagnostics all LEDs will illuminate for 5 seconds The controls will then automatically move to the first component Order Component On LED Off LED Clean LED 1 Entry into Test Mode ON ON ON 2 Bin Thermistor ON Solid OK 2 blinks Open 4 blinks Shorted OFF OFF 3 Evaporator Thermistor OFF OFF ON Solid OK 2blinks Open 4blinks Short 4a Water Valve 4 min time out Off button press will advance to s...

Страница 12: ...shut off and then switched back on The power cord on the internal drain pump is connected to a 120 VAC wall outlet The ice maker is then connected to the 120 VAC outlet on the drain pump If the drain pump fails or if the drain becomes blocked power is shut off to the 120 VAC outlet on the drain pump When the unit is first plugged in the drain pump will run for 20 seconds The power can be disconnec...

Страница 13: ...ohmmeter to the appropriate scale 3 Touch the ohmmeter test leads to the pins of the cutter grid 2 wire connector The meter should indicate 4 to 5 ohms Transformer 1 Unplug ice maker or disconnect power 2 Set the ohmmeter to the appropriate scale 3 Touch the ohmmeter test leads to the primary black and white leads of the dual transformer The meter should indicate between 3 5 and 4 5 ohms 4 Touch t...

Страница 14: ...Relay Position the relay with the coil facing down as shown below b Insert the tip on one of the ohmmeter test leads into the Run M pin socket and touch the other ohmmeter lead to the spade terminal The meter should indicate a closed circuit 0 ohms c Move the tip of the ohmmeter test lead from the spade terminal into the Start S pin socket Leave the other ohmmeter lead at the Run M location The me...

Страница 15: ...essor and Hot Gas Valve on for 1 minute Bin Full Yes Compressor and Hot Gas Valve on for 1 minute No Evaporator more than 52o F Compressor and Hot Gas Valve on for 3 minutes No Freeze Mode Idle Mode Yes Evaporator more than 52o F Yes Evaporator more than 52o F No Yes Yes Evap Thermistor Unplugged No Yes Yes No Continued Harvest Mode Evaporator more than 52o F 16 minutes max harvest time No Failure...

Страница 16: ...el Sensor Detected Comp fan motor spray pump are on Water level drops below sensor Comp fan motor spray pump are on for 25 minutes maximum Comp fan motor spray pump are on Yes No Harvest Mode Hung Slab Noted Yes No Water level drops below sensor Yes 20 minutes up No Yes No 5 minutes up Yes No ...

Страница 17: ...n or replace Water slide return tube out of reservoir Reposition tube Inlet tube out of position and missing reservoir Reposition tube Water inlet tube frozen near evaporator Thaw and reposition tube Defective inlet water valve Test and repair or replace An ice slab only partially released from evaporator and water was bridged down into the bin Look for interference with cutter grid and clean the ...

Страница 18: ...nutes and recheck Low capacity Room temperature below 55o F 13o C Bin thermistor has unit shut off Advise user Seeping water valve Condenser is hot Replace water valve Slow or defective drain or drain pump causing water to back up into the bin Repair or replace drain or drain pump Airflow blocked Remove blockage Control in extended cycle mode Go to manual test 9 if clean light is blinking push Cle...

Страница 19: ...thermistor connectors from the bottom of the control housing b Remove the two hex head screws from both sides of the cutter grid The longer screw and white spacer are on the right side Slide the cutter grid forward and out of the unit and place it on a work surface Be careful not to scratch the ice maker liner d Remove the spacer from the right cutter grid bracket tab Unsnap the two ice guides fro...

Страница 20: ...each behind the accumulator and unclip the evaporator thermistor from the evaporator tubing and remove it To remove the water distributor a Remove the cutter grid from the unit b Pull out on the left and right water distributor retainers and remove the tabs from the slots in the evaporator Pull the distributor forward and remove the water hose July 2007 Page 20 CS0415 Service Manual Water Distribu...

Страница 21: ...e electronic control board a Disconnect the six harness connectors from the board terminals b Remove the two mounting screws Water Pump Unplug ice maker or disconnect power 2 Open the ice maker door 3 Remove the ice from the storage bin 4 Unscrew the drain cap from the reservoir drain the water and replace the cap tightly 5 Place a cloth in the drain hole to avoid hardware from falling inside 6 Re...

Страница 22: ...cap from the reservoir drain the water and replace the cap tightly 4 Remove the recirculating pump cover hexhead screw 5 To remove reservoir drain pump a Disconnect the reservoir drain pump electrical connection b Remove the pump retaining screw and bracket c Rotate the pump 1 4 turn and pull it down and out of reservoir 6 To remove the water level sensor a Disconnect the water level sensor electr...

Страница 23: ...e the hinge 8 Remove the two front and two rear screws from the cabinet top Lift the cabinet top and position it forward on top of the unit From the rear of the unit remove the six hex head screws from the channel cover and remove the cover 12 Remove the four screws from the unit compartment cover and remove the cover 13 Cut the tie wrap from around the tubing and wire harness inside the channel J...

Страница 24: ... out on the left and right water distributor retainers and remove the tabs from the slots in the evaporator disconnect it from the hose and remove it 18 Remove the four screws from the evaporator then carefully lift the evaporator just high enough to remove the two right spacers Remove the Permagum from the liner channel 20 Lift the cabinet top off the unit and stand it on the floor near the rear ...

Страница 25: ...orator from the tubing at the following locations Suction line at the compressor Hot gas line at the hot gas valve Cut capillary tube at the drier fi lt REASSEMBLY NOTES When installing the new evaporator use a generous amount of thermal heat trap paste between the hot gas valve and the evaporator tubing joint to protect the hot gas valve when brazing Be sure to reinstall the Permagum in the liner...

Страница 26: ...SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills IL 60061 800 533 6006 www scotsman ice com 17 3187 01 ...

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