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MS-350 NP Operating Instructions Ver 4.02E 

34

Essential tools:  Phillips screwdriver

The microswitch is also sold individually.

1

 

Remove the screw that fix the control unit 
frame as in the right illustration.

2

 

Raise the control unit frame and tilt it away 
from you as in the right illustration.

3

 

Disconnect the harnesses attached to the 
microswitch. 

4

 

Remove the microsiwtch bracket by loosening 
the screw in the right illustration.
Remove the microswitch from the bracket by 
loosening two screws.

5

 

Attach the new microswitch to the microswitch 
bracket with two screws removed in 4. 

6

 

Reattach the microswitch bracket to the initial 
position. 

7

 

Insert the harnesses to the microswitch.

8

 

Return the control unit frame to the initial 
position and fix it with the screw removed in 1.

10-8  Microswitch replacement

Remove the screw

Control unit

Control unit frame

Remove the screw

Remove the screws

Microswitch bracket

Microswitch bracket

Microswitch bracket

Microswitch

Warning

 Make sure to disconnect the power plug 

from the outlet before replacing the 
microsiwtch.

Summary of Contents for MS-350 NP Series

Page 1: ...Printed JUN 2019 4th Edition 4 02E MICROCOMPUTER CONTROLLED SEALER FOR STERILIZABLE BAGS G TYPE MEDICAL POUCH SEAL ER MS 350 NP SERIES OPERATING INSTRUCTIONS www vanderstahl com...

Page 2: ...MS 350 NP Operating Instructions Ver 4 02E 2...

Page 3: ...MS 350 NP series some details in the operating instructions may differ from your actual machine For operating problems or product information please contact your local dealer Foreword This manual is d...

Page 4: ...wer switch OFF 17 8 11 Inspection after operation 17 9 Operation settings on the control unit 18 9 1 Select the desired operation number 19 9 2 Set the sealing parameters 20 9 3 Auto cycle and cycle i...

Page 5: ...ructions Ver 4 02E 5 12 Electric diagram 39 13 Common problems and solutions 40 13 1 Error display 42 13 2 Other troubleshooting 43 13 2 1 Power switch turns OFF automatically 43 14 To discard 44 Expl...

Page 6: ...ltage AC 110V or 220V 50 60Hz Other voltages available on request Supply voltage should be within the fluctuation range of 10 from the rated voltage Check the white label adhered on the rear side of f...

Page 7: ...er Stahl Scientific Code Name Sales Unit 59090 Heating element 350 10L 10 pcs set 877020 W38mm glass tape 5m roll 1 roll 491200 Silicone rubber white 2 pcs set 39441 W40mm center dry tape 5m roll 1 ro...

Page 8: ...achine cannot seal bags which are thicker than that indicated The machine may malfunction if you try to exceed the limits of the machine Warning Caution labels are placed in locations where there is a...

Page 9: ...not use for packaging liquids Do not splash water on the machine or use machine for packaging liquids since machine is not waterproof There is a danger of electrocution or malfunction of the machine...

Page 10: ...and become hot 2 Never place your fingers or hands in this area between the pressure lever and the seal frame 3 The machine is designed so that pressure will be released and the lever returned to an...

Page 11: ...ke great care to ensure that the temperature sensor is correctly placed in direct contact with the heating element Refer to 10 7 Temperature sensor replacement page 32 Heating temperature should be se...

Page 12: ...heating process is in operation However after extended periods of use the sealing area may become hot Should an abnormality occur in the temperature sensor The heating section is controlled by a temp...

Page 13: ...he table using these bolts Inlet module Monitors the electric current and automatically turns OFF when the over current or abnormal heating is detected As a double safety measure a built in fuse prote...

Page 14: ...1 Securing the machine Control Unit Panel STOP key Digital Display Arrow keys Auto cycle ON OFF Displays the settings errors and real time temperature etc 1 Numerical values can be increased or decre...

Page 15: ...ctrical outlet has adequate current carrying capacity Insert the electric power plug fully into the power outlet 8 2 Table attachment 8 3 Touch switch attachment 8 4 Plugging in the electrical power c...

Page 16: ...ft side of the machine to turn ON the machine power The power lamp will turn ON A Touch switch operation Set a bag on the sealing part and press the touch switch The pressure lever lowers and the seal...

Page 17: ...ring to 10 Replacing the routine maintenance parts page 26 After setting the seal parameters and machine operation settings with the control unit turn off the auto cycle mode and manually perform the...

Page 18: ...0 0 0 x 1 H 1 4 0 T 0 0 C 1 0 0 The following items can be set with the control unit 9 1 Select the desired operation number page 19 9 2 Set the sealing parameters page 20 9 3 Auto cycle and cycle in...

Page 19: ...es under the operation number press or key to select the desired operation number The displayed operation number changes from 1 to 5 3 When the desired operation number is displayed on the screen star...

Page 20: ...tes the heating time C C indicates the cooling temperature 9 2 Set the sealing parameters Set temperature Set temperature Heating time Heat dwell time Heating temperature Cooling temperature The curso...

Page 21: ...ress the MENU key Press the key and select the menu AUTO CYCLE TIME 2 Press the ENTER key to select the menu 3 Set the auto cycle interval time by adjusting values with the arrows and keys Setting ran...

Page 22: ...KEY COUNTER RESET PUSH KEY The machine displays number of seals performed with the machine The counting capacity is from 0 to 999 999 1 Press the MENU key Press the key and select the menu COUNTER RES...

Page 23: ...ment the machine beeps once when the touch switch is pressed and sealing starts You can turn the beep sound on or off from this menu 1 Press the MENU key Press the key and select the menu TONE ON OFF...

Page 24: ...MENU key Press the key and select the menu KEY LOCK OFF 2 Press the ENTER key to select the menu 3 The right display will be shown on the screen The cursor flashes on the first digit 4 Enter a 4 digit...

Page 25: ...the MENU key Press the key and select the menu KEY LOCK ON 2 Press the ENTER key to select the menu 3 The right display will be shown on the screen The cursor flashes on the first digit 4 Enter the 4...

Page 26: ...parent tape Pressure lever Silicone rubber white W38mm glass tape W40mm center dry tape Semi transparent tape Sarcon sheet Heating element Temperature sensor W38mm glass tape Seal receiving plate Alwa...

Page 27: ...usting nut counterclockwise until you hear a clicking sound 4 Remove the pressure adjusting nut and other parts in the right illustration Raise the pressure lever and tilt it away from you to ease the...

Page 28: ...nter dry tape covers the heating element Electrodes that mount the heating element consist of parts as in the right illustration Essential tools Phillips screwdriver Replace when The heating element b...

Page 29: ...he procedure 3 so the heating element is stretched tight When the screw B is not tightened enough the heating element will not be stretched tight enough which may result in damaging the heating elemen...

Page 30: ...th glass tape at 370mm of length and adhere it over the Sarcon sheet 5 Fold the glass tape along both edges so that the excess tape over the pressure lever adheres to the sides of the pressure lever 6...

Page 31: ...hesive residues remaining on the metal portion of the pressure lever 3 Adhere the new silicone rubber starting from the edge 4 Adhere the 38mm width glass tape on the silicone rubber Fold the glass ta...

Page 32: ...ow to remove the temperature sensor 1 Remove the center dry tape referring to 10 2 Center dry tape replacement page 28 2 Remove the heating element referring to 10 3 Heating element replacement page 2...

Page 33: ...re sensor fixing plate the A 2 side 8 Fix the temperature sensor module 9 Install the heating element referring to 10 3 Heating element replacement page 28 10 Install the center dry tape referring to...

Page 34: ...Remove the microswitch from the bracket by loosening two screws 5 Attach the new microswitch to the microswitch bracket with two screws removed in 4 6 Reattach the microswitch bracket to the initial...

Page 35: ...he picture on the right and secure with nuts 5 Attach the bracket to the pressure lever 6 Return the pressure lever to the initial position referring to 10 10 After replacement page 36 Essential tools...

Page 36: ...on about 4 to 5 full turns Then adjust the scale pointer between H and L In normal operations it is used at the S standard position 4 Lock the pressure adjustment nut with the pressure adjusting nut f...

Page 37: ...terclockwise 6 Again turn the nut clockwise and set it to the position S standard 7 Once the adjustment is made lock the pressure adjustment nut with the pressure adjusting nut fixing screw 11 Adjustm...

Page 38: ...n be slide back and forth to adjust the depth of the pouch insertion Adjust the seal gauge position so the heating element comes to the place you would like to seal 3 Once the seal position is determi...

Page 39: ...MS 350 NP Operating Instructions Ver 4 02E 39 12 Electric diagram 110V 220V...

Page 40: ...switch the pressure lever does not lower even when the auto cycle is OFF Sound beeps The control unit may be damaged Replace the control unit Does the pressure lever lower to start sealing See 10 10...

Page 41: ...glass tape or Sarcon sheet damaged Replace the center dry tape glass tape or Sarcon sheet Heating element bends at the center Is the electrode damaged Replace the electrode Cannot produce clean and sm...

Page 42: ...outlet Always use genuine Van der Stahl Scientific heating element Is the temperature sensor displaced or shifted from its position Correct the positional shifting or disconnection of the temperature...

Page 43: ...to 10 8 Microswitch replacement page 34 The microswitch may be malfunctioning and may need to be replaced Replace the microswitch referring to 10 8 Microswitch replacement page 34 ERROR 3000 3006 Comm...

Page 44: ...ner of the equipment is responsible for proper disposal of the equipment When you need to dispose of the machine please follow the guidance of your local authority For further information we advise yo...

Page 45: ...tructions Ver 4 02E 45 When ordering spare parts please consult the exploded view diagram spare parts list on the following pages and provide both the part name and code number to your local dealer Ex...

Page 46: ...1 3 6 38 36 39 40 32 25 22 12 13 10 10 12 23 24 22 23 20 30 31 37 43 43 16 17 18 19 17 15 16 28 26 42 44 29 27 41 34 33 35 45 5 2 8 7 a a 2 b b 4 a 4 b 21 9 11 G Type MS 350 NP MS 350 NP Exploded Vie...

Page 47: ...sparent tape W15mm x 5m 1 roll 18 59090 Heating element 350 10L 10pcs set 19 39441 Center dry tape W40mm x 5m 1 roll 20 497213 Planger stopper sponge 2pcs set 21 492900 Shock absorber 1 pc 22 421700B...

Page 48: ...Y6602 JUN 2019 4th Edition MS 350 NP Operating Instructions Ver 4 02E Represented by...

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