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U421-I2A & U431-I2A OPERATOR’S MANUAL

513713 REV.0

Section 4: Troubleshooting

MAINTENANCE

TROUBLESHOO

TING

OPERA

TION

INTRODUCTION

Error Code (E3)

Run Time

Water-Cooled Machines

Is the water or

glycol system

turned off?

Are the water or

glycol lines kinked

or damaged?

Yes

Turn the system on.

Is the problem

fixed?

Yes

Repair or replace the

lines.

Is the problem

fixed?

Yes

Does the error

occur after the first

freezing cycle?

Disassemble machine

and reassemble

following the steps in the

operators manual.

Is the problem

fixed?

Contact your authorized

Stoelting distributor for

further assistance

Continue normal operation.

• Lack of water/glycol

ow.

• Excess air in the freezing cylinder

due to air in the mix bags.

• Pump turned o

ﬀ

or not operating

• Improper adjustments to the

IntelliTec2™ control.

E3 Common Causes

Содержание U421 series

Страница 1: ...Model U421 U431 Operator s Manual 513713 Rev 0...

Страница 2: ...machine without notice and without incurring any obligation to modify or provide new parts for machines built prior to date of change DO NOT ATTEMPT to operate the machine until instructions and safet...

Страница 3: ...ly Procedures Morning MAINTENANCE A Auger Shaft Front Door Parts B Cab Tubing PARTS A Troubleshooting Flow Charts TROUBLESHOOTING A Empty the Freezing Cylinders Start here if cleaning a machine with m...

Страница 4: ...abinet IntelliTec2 Touchpad Front Door Spigot Handle The U421 has two types of spigot handles swing gate and pull down The swing gate style is opened by moving the handle to the left The pull down sty...

Страница 5: ...ctrical 1 PH 3 PH 1 PH 3 PH 1 PH 3 PH circuit ampacity per barrel 32A 20A 36A Left 31A Right 20A 32A 20A overcurrent protection device per barrel 50A 30A 50A Left 45A Right 30A 50A 30A The machine req...

Страница 6: ...ing Cylinder Cabinet Front Door IntelliTec2 Touchpad Swing Gate Style Handles The U431 has two types of spigot handles swing gate and pull down The swing gate style is opened by moving the handle to t...

Страница 7: ...1 PH 3 PH circuit ampacity per barrel 32A 20A 36A Left 31A Right 20A 32A 20A overcurrent protection device per barrel 50A 30A 50A Left 45A Right 30A 50A 30A The machine requires one dedicated electri...

Страница 8: ...ode requirements whichever is sooner NOTE Wire trays are located at the upper left and right corners of the cab to store bag caps NOTE Set up cab and hoses for rinse procedure 1 Removethebagsfromtheca...

Страница 9: ...uttons to stop the augers A 7 If the Clean Time Exceeded warning is displayed on the IntelliTec2 turn the freezing cylinder on and o again to clear the warning Press the Clean button to resume cleanin...

Страница 10: ...5 Wipe any remaining lubricant o the hex end of the auger and remove the rear seal assembly and o ring Wipe any remaining lubricant o the o ring and auger Remove the rear seal adapter from the rear s...

Страница 11: ...and let air dry completely before assembling in machine C 2 D Cleaning the Machine Using adetergent solution and the large barrel brush provided clean the freezing cylinders by dipping the brush in th...

Страница 12: ...use Use lubricants only in accordance with the manufacturer s instructions NOTE Install the rear seal o rings onto the augers Lubricate the outside of the o rings with a generous amount of sanitary l...

Страница 13: ...onto the rear of the auger and insert it part way into the freezing cylinder E 5 Install the remaining plastic flights push the auger into the freezing cylinderandrotateslowly until the auger engages...

Страница 14: ...in film of Total Blend lubricant to the o ring E 9 Inserttheairbleedvalveinto the back of the front door Install the compression spring onto the air bleed valve then screw the knob on finger tight E 1...

Страница 15: ...recommended sanitizing products and procedures The frequency of sanitizing must comply with local health regulations Mix sanitizer in quantities of no less than 2 gallons of 90 F to 110 F 32 C to 43 C...

Страница 16: ...zing cylinder is first pressurized with sanitizing solution 1 Check for leaks at the front door seals 2 Check the drain tray located in the side panel for leaks coming from the rear of the rear auger...

Страница 17: ...ight button to turn them o G Freeze Down Place a bag of mix into one of the bottom drawer sections G 1 Make sure the bag opening is facing up and towards the back of the drawer Align the bag corners w...

Страница 18: ...Open the spigot to dispense product G 8 Repeat for each of the drawer sections ThenpressthePumpbuttons to turn the pumps on G 5 Insert the bag adapter intothecutoutattheback of the drawers Make sure t...

Страница 19: ...TION H Brushes for Cleaning 208135 208465 208380 208485 208467 208387 Part Number Where Used 208135 Freezing cylinder 208465 Front door check valve block pump hose 208380 Front door pump hose mix sens...

Страница 20: ...EV 0 Section 2 Operation MAINTENANCE PARTS TROUBLESHOOTING OPERATION INTRODUCTION I Lubrication Points O Ring Hex End of Auger O Ring ONLY Inside Metal Adapter Inside Outside of Bushing All O Rings U4...

Страница 21: ...se Routing 3 8 Clear Tube Collection Manifold Black Cover Clamp Mix Sensor Manifold Cap Tan Pump Hose Check Valve Block 1 2 Clear Tube Coiled Hose Bag Adapter Bag Adapter Cap 3 8 Clear Tube Collection...

Страница 22: ...nds A 3 Turn the pump on and pull the hose out of the black cover Then turn the pump o A 4 Rotatethepumprollerssooneofthe rollers is at the 6 00 position With a brush clean the roller assemblywithdete...

Страница 23: ...natural curve of the tan hose towards the outside of the cover to preventthehosefromloopingaround twice A 7 Asthehosefeedsthroughthecover orientthesensor at an angle so the sensor wire does not interf...

Страница 24: ...leaned every 7 days WARNING Hazardous Moving Parts Revolving pump head can grab mangle and cause serious crushing injury Make sure the display shows the freezing cylinders and pump are o If they are n...

Страница 25: ...he pickup end is on the left side Then turn the pump o Loosentheclamponthetanhose and disconnect the hose at the low mix sensor B 5 Remove the hose assemblies from the cab Loosen all clamps and discon...

Страница 26: ...rve of the tan hose towards the outside of the cover to prevent the hose from looping around twice NOTE Connect the hose from the bottom of the manifold to the low mix sensor B 19 Turn the pump on and...

Страница 27: ...thetopofthecabinet Donottightentheclamp until the check valve block is installed B 22 Sanitize assembled machine as per instructions outlined in Section 2 F B 26 Install the check valve into the block...

Страница 28: ...anges Press the SEL button to toggle between freezing cylinders C 3 From the Current Status screen press theleftarrowbuttonto access the password screen Press the right arrow then the SEL button C 1 P...

Страница 29: ...them air dry D 2 Install the spigot extensions E 2 Check the mix level of the mix bags in the cab Add new mix bags as necessary E 3 Press the Push To Freeze button to start freezing the product When...

Страница 30: ...normal operation No Product is Too Firm Decrease the fine consistency Contact your authorized Stoelting distributor for further assistance Is the product still too Soft Yes Continue normal operation...

Страница 31: ...r Code E2 High Torque Error Code E3 Run Time Water Cooled Machines Error Code E9 High Pressure Cutout Air Cooled Machines Error Code E9 High Pressure Cutout Water Cooled Machines Go to the flow chart...

Страница 32: ...thaw then disassemble and check condition of the parts Replace as necessary Error Code E2 High Torque Contact your authorized Stoelting distributor for further assistance Continue normal operation Con...

Страница 33: ...arance around the machine Is the problem fixed No Yes Yes No Contact your authorized Stoelting distributor for further assistance Does the error occur after the first freezing cycle Disassemble machin...

Страница 34: ...No No No Yes Yes Repair or replace the lines Is the problem fixed No No Yes Yes No Does the error occur after the first freezing cycle Disassemble machine and reassemble following the steps in the op...

Страница 35: ...Dog Steamer Contact your authorized Stoelting distributor for further assistance Is there an air flow restriction around the machine Is there an exterior heat source Move anything blocking the louver...

Страница 36: ...distributor for further assistance Is the water or glycol system turned off Are the water or glycol lines kinked or damaged Yes Yes Turn the system on Is the problem fixed Continue normal operation N...

Страница 37: ...5 Cap Bag Adapter 4 264235 Clamp Metal 1 4 ID Tubing 264241 Clamp Metal 1 2 ID Tubing 624616 5 O Ring Check Valve Block Lower Black 5 Pack 2 624644 5 O Ring Check Valve Block Upper Black 5 Pack 2 6942...

Страница 38: ...Black 2 625133 O Ring Front Door Black 2 667868 Seal Rear Auger Orange 2 694200 Spring Air Bleed Valve 2 694255 Spring Auger Flight 12 1151859 Adapter Rear Seal Code 1 2 2183106 Valve Air Bleed 2 2104...

Страница 39: ...ear Seal Black 2 625133 O Ring Front Door Black 2 667868 Seal Rear Auger Orange 2 694200 Spring Air Bleed Valve 2 694255 Spring Auger Flight 12 1151859 Adapter Rear Seal Code 1 2 2104552 Support Front...

Страница 40: ...40 U421 I2A U431 I2A OPERATOR S MANUAL 513713 REV 0...

Страница 41: ...513713 REV 0 U421 I2A U431 I2A OPERATOR S MANUAL 41...

Страница 42: ...42 U421 I2A U431 I2A OPERATOR S MANUAL 513713 REV 0...

Страница 43: ...Training Checklist for the affected equipment b gives Stoelting prompt written notice of any claimed breach of warranty within the applicable warranty period and c delivers the affected equipment to S...

Страница 44: ......

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