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7.1 Trouble Shooting Guide

The items included in this section cover the common causes of trouble which an operator might encounter
during the operation of the T-300/T-375. When operating difficulties occur, the best procedure is to
observe what is happening and attempt to isolate the problem. Make only one adjustment at a time,
checking the results of each adjustment. If an adjustment does not help or escalates the problems, return
the settings back to the former position.

CAUTION: These tests and repairs should be performed only by qualified mechanics or electricians.

7.2 Troubleshooting Checklist

PROBLEM

POSSIBLE CAUSE

CORRECTIVE ACTION

Touch Screen does
not display

1. Screen saver is active
2. Power off
3. Loose connection
4. Fuse blown
5. Cable shorted / failed

1. Touch the screen
2. Plug in power cord / turn on
3. Tighten connections
4. Replace fuse(s)
5. Replace cable

No main power light

1. Blown fuse
2. Bulb out

1. Replace fuse
2. Replace bulb

Pressure bar does
not
move when foot
switch is operated

1. Heat not up to temperature
2. Disconnected air line
3. Disconnected foot switch
4. Power off
5. Option enabled preventing foot
switch operation.
6. Foot switch defective

1. Toggle to setup mode, attempt to
cycle. Wait for temperature to increase.
2. Connect air line
3. Connect foot switch to rear panel
4. Turn on power
5. Turn off options
6. Replace foot switch

Pressure bar moves
inward but retracts
before sealing

1. Antijam sensors improperly
adjusted
2. Cylinder speed mismatch
3. Insufficient air pressure
4. Broken contact on antijam circuit

1. Adjust antijam
2. Adjust speed controls on seal
cylinders
3. Increase air pressure
4. Check continuity across antijam
circuit

Pressure bar presses
against front plate
but does not seal bag

1. Seal time too low
2. Heat (temp.) too low
3. Heater cartridge bad
4. Insufficient air pressure
5. PTFE folded over or missing

1. Increase seal time setting
2. Increase temperature setting
3. Replace heater cartridge
4. Increase air pressure
5. Inspect or replace PTFE

Bag sticks to PTFE
or pressure (rubber)
bar

1. Seal temp. too high
2. Seal time too high
3. PTFE in poor condition
4. Rubber is dirty / contaminated
5. No PTFE on rubber strip

1. Decrease temp in bag setup screen
2. Decrease seal time in bag setup
screen
3. Turn / replace PTFE
4. Clean / replace pressure bar rubber
5. Add PTFE tape to rubber

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Содержание T-300

Страница 1: ...T 300 Table Top Bagger Operation Guide Ver 1 Installation Setup and Operation Guide ...

Страница 2: ...ees prepaid APPI may use reconditioned or like new parts or units at its sole option when repairing any component or equipment Repaired products shall carry the same amount of outstanding warranty as from original purchase Any claim under the warranty must include a dated proof of delivery In any event APPI s liability for defective components or equipment is limited to repairing or replacing the ...

Страница 3: ...n 2 9 Tension 2 10 Note on Adjustments Chapter 3 Touch Screen Operation 3 1 Touch Screen Part Names 3 2 Touch Screen Specifications 3 3 Touch Screen Program 3 4 Intro Screen 3 5 Main Menu 3 6 Operation Screen 3 7 Bag Setup Screen 3 8 Printer Setup Screen Print Location Settings 3 9 Printer Setup Screen Print Quality Other Settings 3 10 Printer Setup Screen LEDs Errors 3 11 Options Available Menu 3...

Страница 4: ...ement 4 10 Heater Cartridge Replacement 4 11 Description of Antijam Circuit 4 12 Antijam Adjustments Testing 4 13 Thermocouple Wire Replacement 4 14 Print Head Replacement Chapter 5 Parts Bill of Materials Parts Dwgs Chapter 6 Preventive Maintenance Scheduled Maintenance 6 1 Preventive Maintenance Schedule Maintenance 6 2 P M Checklist 6 3 Scheduled Maintenance Chart 6 4 SP 10 T 300 Spare Parts Ki...

Страница 5: ...4 Chapter 1 Introduction __________________________________________________________________ Welcome Overview Special Features System Integration Options Available Using This Manual Warranty Registration ...

Страница 6: ... equipment save the settings in memory and recall those settings for repeat runs 1 3 Special Features Energy Conservation Component Saver To extend its life and conserve energy in your plant the T 300 is programmed to sequentially shut components down when not in use for extended periods Electric current to the heater bar will discontinue and place the T 300 in the stop mode during a preset period...

Страница 7: ...limited automatic operations may be available 1 5 Available Options Although the T 300 is equipped with built in options described above various options can easily be added for special purpose packaging The following options may be purchased from Advanced Poly Packaging Inc Funnels The T 300 comes with a universal adjustable funnel however various size funnels can be purchased APPI provides free p...

Страница 8: ...ack panel Company Name and Address Contact Names s Title s Phone Number ___________________________ ___________________________ ___________________________ _________________________________ _________________________________ _________________________________ Please fax or mail this page to Stuart Baker Advanced Poly Packaging Inc 1331 Emmitt Road Akron OH 44306 USA Fax USA 330 785 4010 Or email the...

Страница 9: ..._____________________________________________________ Installation Procedures Air and Power Requirements Assembly Instructions Height Adjustment Air Power Hookup Bag Threading T 375 Ribbon Threading Cycle Operation Tension Note on Adjustments ...

Страница 10: ...nd 220V 50hz may have been supplied based on electrical requirements Full Load Current for T 300 T 375 10 AMPS CAUTION A qualified electrician should ensure that the T 300 power outlet is properly grounded voltages are as required and amperage capacity is sufficient Note APPI recommends a dedicated 20 Amp circuit for the T 300 Air Requirements At least 2 CFM free air is required regulated to 60 PS...

Страница 11: ...upper roller assembly lock the rollers into position using the handle and replace the top cover See Fig 2 1 for the T 300 for the T 375 Caution Roller Fingers may be sharp To avoid injury when reaching into the T 300 T 375 ensure that you do not come in contact with the roller fingers Note The Roller Guides are for fine adjustments only after proper tracking has been achieved If not tracking prope...

Страница 12: ...essing it inwards toward the center of the roll of bags Then tighten while pressing inward This increases drag on the roll of bags increasing web tension Also if the bags pay off too much when the web advances increasing drag will prevent bags from paying off excess film 2 10 Note on Adjustments to the T 300 Upon receipt it is not unusual for the T 300 to be out of alignment due to shipping and ex...

Страница 13: ...12 Chapter 3 Touch Screen Operation ______________________________________________________________________________ Touch Screen Part Names Specifications Contrast Adjustment Touch Screen Program ...

Страница 14: ...pt to reprogram the PLC or Touch Screen Doing so may cause an unsafe operating condition Doing so will also void the warranty Additionally do not change the DIP switch settings 3 2 Touch Screen Specifications Features Specifications Screen Resolution 3 128 x 64 pixels LCD Green Red and Orange Memory 384 KB Communication RS232C Touch Key Res Free Analog Languages English Spanish French German Itali...

Страница 15: ...he machine See Fig 3 3 Press the Operation button to set the feed distance and Index speeds FeedDist Feed distance setting allows you to ignore horizontal perforations which could cause the bagger to stop at the wrong location Since the perf sensor is looking for a perforation a second perforation could be detected If the horizontal perforation is 1 from the bag perforation set this value to 2 for...

Страница 16: ...s the amount of time that a burst of air will last initially blowing the bag open Wider bags and heavier gauge bags require a longer burst of air to initially open the bag Narrower and thinner gauge bags require less air to initially open the bag To adjust the value press the Air Pulse button from the Bag Setup Menu to display the number keypad Press the numbers on the keypad followed by the Enter...

Страница 17: ...hoto optic eyes may vary depending on your product so parts should be sent to APPI for testing to determine the correct components Parts must be separated to be counted accurately through the eye If two parts fall at the same time they may be counted as one If loading automatically with minimal distance between parts an accumulating funnel or method of diverting may be required for separation betw...

Страница 18: ...ithout separating them at the perforation If you set this counter value to 10 for instance you will have a strip of 10 bags connected The bagger will then reverse to separate the 11th bag Press the Reset button to reset the counter to the set value To disable the option set the value to zero Note If you don t want the bags separated ever you can either set the counter value to very large number or...

Страница 19: ...d troubleshooting It also displays program version for PLC controller and touch screen See Fig 3 25 Note Before entering the Technical Assistance Screen you must enter a Level 1 pass code 3 24 Pass Code Setup Screen Advanced Poly Packaging Inc APPI has included a pass code function in all touch screen equipment to prevent operators from changing settings There are two pass code levels described as...

Страница 20: ...19 factory code so that the current pass codes can be displayed This page intentionally left blank ...

Страница 21: ...looking for a perforation a second perforation could be detected If the horizontal perforation is 1 from the bag perforation set this value to 2 for example The default setting is 1 SealDlay A Seal Delay timer is provided to allow air to escape before the seal bar actuates To decrease the volume of air remaining in the bag after sealing increase this timer IndexDlay An Index Delay timer is provide...

Страница 22: ...ter 6 in the Max Reverse setting If equipped with a Standard Frame bagger this setting will be approx 1 8 when the Seal Point Setting is 1 On a Drop Frame machine the maximum setting will be approx 2 7 when the Seal Point Setting is 1 Press the MC button and ensure that the bag does not reverse to far to drop inside the machine 3 31 Information Screens Message Screens If an error occurs the Touchs...

Страница 23: ...22 Chapter 4 Settings Adjustments ____________________________________________________ Machine Adjustments Component Replacement ...

Страница 24: ...prematurely too much tension or does not free wheel too little tension For narrower or shorter bags proper tension is more critical 4 3 Compression NIP Roller Adjustment The drive roll compression is the force that exists between the two feed rolls rubber covered grooved roll and grooved steel roll Not enough drive roll compression will prevent the bags from tearing off after each sealing operatio...

Страница 25: ...atch handle is pressed all the way downward Additionally the compression will be sufficient for the bag to separate but not too tight to cause the motor to stall or chatter 4 4 Idler roller Guides Two plastic web guides are located on the rear idler roller These guides are used for fine adjustment of tracking Once the web is tracking within 1 8 left to right the plastic web guides can be used to f...

Страница 26: ...and power on the unit and test cycle by pressing the foot switch or guard switch If binding still occurs then the cylinders themselves must be aligned to make them parallel to each other This is accomplished by placing shimming material between the cylinder mounting brackets and the side walls Contact APPI technical support before proceeding To test for failing or bent seal cylinders with power of...

Страница 27: ...g new surface in the seal area To advance the sheet insert a small flathead common screwdriver into the bottom 1 4 hole located on the right side panel of the unit When you feel the screwdriver enter into the slot of the rod turn the screwdriver counterclockwise to advance new material into position See Figure 4 3 After turning new material into position turn the rod clockwise slightly so that the...

Страница 28: ...f the antijam circuit should be tested prior to production on a daily basis Although the antijam unit may also prevent or decrease the opportunity for injuries during the sealing or heating operation the antijam is not designed as a safety device If not adjusted properly damage may result from obstructions in the seal area or personal injury may result from fingers or hands being in the seal area ...

Страница 29: ...to components are flat and parallel to each other If not carefully reposition the sensors 4 Turn the power ON and locate the two photo sensor printed circuit boards You should notice that a threaded rod extends through the photo eyes The threaded rods move inward and outward with the movement of the spring loaded gripper plate Additionally when the threaded rod enters the photo sensor X7 left sens...

Страница 30: ...e steps to replace the wire CAUTION To avoid stretching or breaking the wire during heater cylinder extension ensure that the wire is looped and free to bend during heater bar movement Replace the PTFE Anti Stick Sheet assembly and front plate 4 14 Print Head Replacement Print head instructions will be included with each print head Otherwise contact APPI tech support for further instructions ...

Страница 31: ...30 Chapter 5 Parts __________________________________________________________________ Mechanical Drawings Parts Listing Bill of Materials ...

Страница 32: ...31 Chapter 6 Preventive Maintenance Scheduled Maintenance ______________________________________________________________________________ PM Checklist Schedule Maintenance CHART ...

Страница 33: ...essure to 60 PSI D Antijam device Check operation adjust as needed Chapter 4 10 D Drive rollers Clean with alcohol D Perforation sensor Clean sensor assembly with alcohol D Platen print roller Inspect for nicks or cuts clean with alcohol D Print head Clean with alcohol also after each ribbon change D Micron filter Venturi Inspect for contamination of filter replace as needed Inspect for blockage a...

Страница 34: ...nness O O O O O O O O O O Steel upper roll Clean with alcohol inspect for burs O O O O O O O O O O Printed circuit Boards wiring Blow off with clean dry air inspect for loose wires connectors O O O O O O O O O O Seal Cylinders Listen for air leakage replace or repair as required O O O O O O O O O O Air blower filter Inspect for contamination replace as necessary O O O O O O O O O O Air lines and c...

Страница 35: ...34 6 3 Preventive Maintenance PM Chart Continued ITEM DESCRIPTION 1 2 3 4 5 6 7 8 9 10 Inspected by Initials ...

Страница 36: ...35 Chapter 7 ______________________________________________________________________________ Trouble Shooting ...

Страница 37: ...3 Disconnected foot switch 4 Power off 5 Option enabled preventing foot switch operation 6 Foot switch defective 1 Toggle to setup mode attempt to cycle Wait for temperature to increase 2 Connect air line 3 Connect foot switch to rear panel 4 Turn on power 5 Turn off options 6 Replace foot switch Pressure bar moves inward but retracts before sealing 1 Antijam sensors improperly adjusted 2 Cylinder...

Страница 38: ... High Voltage PCB 4 Attach grounding rod to roller 5 Change seal point setting 6 Set value to zero 7 Reset Zero Perf Bag does not completely index 1 Perf is sensing hole in bag vent 2 Seal position setting too low 3 Zero perf function incorrectly set 1 Reposition bag left or right 2 Increase seal position setting 3 Reset Zero Perf First bag after threading indexing multiple bags 1 Thread bags at p...

Страница 39: ...or very accurate temperature controls See Dwg T375 E3 7 6 Stepper Motor Circuit A circuit diagram of the stepper motor controller is provided with correct Dip switch and Pot settings See Dwg T375 E4 7 7 H V PCB APPI manufactures the printed circuit board for accurate and consistent perforation detection for accurate bag positioning and registration A circuit diagram is provided for this PCB See Dw...

Страница 40: ...Photo Eye Sensor Y5 Air Pulse X6 Htr Bar Left Sensor Y6 Web Tension Cylinder X7 Htr Bar Right Sensor Y7 Seal Bar Cylinders X8 Foot Switch Y8 H V 120V Activate X9 Guard Switch Y9 Start Print T 375 XA Frame Open Sensor YA Spare XB Label Downloaded YB Reprint T 375 XC Printer Error T 375 YC Spare XD End Print T 375 YD Spare XE Ribbon Out sensor YE Aux Output XF Aux Input YF Print Head Cylinder T 375 ...

Страница 41: ...40 7 12 Troubleshooting Notes Technical Support Information Date Notes ...

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