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Yamato MK161 Manual Download Page 17

 

15

 

8. When a trouble occurs   

 

Countermeasures for malfunctions 

 

Symptom Causes 

Countermeasures 

Even if the switch is turned on 

・

 

No display appears 

・

 

Shaking does not start 

①

 

Imperfect contact of a circuit 

②

 

Defect of the power switch 

③

 

Fuse has blown 

④

 

Defective substrate or imperfect 
contact 

①

 

Replace or repair 

②

 

Replace 

③

 

Replace 

④

 

Replace or repair 

Although shaking is made 

・

It is not smoothly. 

・

Excessive noises or 

vibrations 

①

  Roller is worn 

②

 Belt is loosened 

③

  Belt is worn or damaged 

④

  Anti-vibration rubber is defective 

⑤

  Floor is not flat 

①

 

Replace 

②

 

Adjust belt tension 

③

 

Replace 

④

 

Replace 

⑤

 

Move to a different 
site 

Speed is uncontrollable 

①

 

Speed controller is defective 

②

 

Motor is defective 

①

 

Replace 

②

 

Replace 

 

                                     

If a malfunction is suspected 

 

In such cases 

Symptom Check 

The unit will not operate 
even though power is 
turned on. 

●

If the power cord is connected to an outlet securely. 

●

If a power failure has occurred. 

●

If the fuse has blown. 

Shaking speed fluctuates 
during operation. 

●

If the amount of specimen is too much. 

●

If specimen is concentrated to one side. 

●

If source voltage is too low. 

Shaking stops. 

●

If the shaking table is not overloaded. 

●

If a foreign object is pinched in the shaking table.

 

 

◆

 

If the symptom does not fall on any of the categories above, immediately turn the power 
switch off, turn the source power off and contact your dealer, one of our sales office, or our 
general customer service center.

 

Summary of Contents for MK161

Page 1: ... unit to assure proper operation After reading these documents be sure to store them securely together with the Warranty at a handy place for future reference Warning Before operating the unit be sure to read carefully and fully understand important warnings in the operating instructions Yamato Scientific Co Ltd This paper has been printed on recycled paper ...

Page 2: ... system 11 4 Operating Procedures 12 Installing a special rack optional 12 5 Handling precautions 13 6 Maintenance procedures 14 Daily inspection maintenance 14 7 When the unit is not to be used for a long time or when disposing 14 When the unit is not to be used for a long time or when disposing 14 Notes about disposition 14 8 When a trouble occurs 15 Countermeasures for malfunctions 15 If a malf...

Page 3: ...require hospitalization or outpatient visits for a long time Note 2 Minor injury means a wound or an electrical shock that does not require hospitalization or outpatient visits for a long time Note 3 Property damage means damage to facilities devices and buildings or other properties Meanings of pictograms This pictogram indicates a matter that encourages the user to adhere to warning caution incl...

Page 4: ... Hazard of explosion Caution General cautions Electrical shock Burning Caution for no liquid heating Caution for water leak For water only Poisonous material Prohibitions General bans Fire ban Do not disassemble Do not touch Compulsions General compulsions Connect ground wire Install levelly Pull out the power plug Regular inspection ...

Page 5: ...ut the power plug A fire or an electrical shock may result Never use electrical power cords bundled When these are used bundled they might overheat causing a fire Take care not to damage electrical power cords Avoid tightly bend pull with a strong force or twist to prevent electrical power cords from damaging A fire or an electrical shock may result Never use an explosive or a flammable material w...

Page 6: ...rical shock due to earth leakage Never connect the earth wire to a gas pipe or a water pipe Otherwise a fire may result Never connect the earth wire to the earth terminal for a telephone line or to a lightening conductor Otherwise a fire or an electrical shock may result Never use a branching outlet which might generate heat and cause a danger We recommend use of a ground type outlet tap When ther...

Page 7: ...ccessories 4 Do not attempt to alter the unit 5 Install the unit on a level surface The customer shall never attempt to alter the unit Otherwise a malfunction may result Place the unit on a place as level as possible Vibrations or noises may be caused unless four rubber feet contact the floor surface evenly Also it might cause unexpected troubles or malfunctions No modification Note Conical flasks...

Page 8: ... When you use the unit in a constant temperature oven at a constant temperature keep the environmental temperature in the range from ５ to ３５ Do not use the unit in a humidified atmosphere 9 Handling of a power cord Never use electrical power cords bundled When these are used bundled they might overheat causing a fire Do not convert forcibly bend twist or pull the power cord Otherwise a fire or an ...

Page 9: ...haking table Timer panel Shaking speed adjusting panel Power fuse Shaking system selector volume The unit requires a special rack optional dedicated for specific applications First purchase a special rack appropriate for your application referring to ｐ 12 Nameplate position ...

Page 10: ...ume shaking Timer １ Time display screen The screen displays the set time and the remaining time ２ Time setting volume Turning this volume clockwise will increase the set time Turning it anticlockwise will decrease the set time ３ Timer operation continuous operation selector switch Moving this switch upward to enable timer setting Moving this switch downward to enable continuous operation min TIME ...

Page 11: ...r of shaking How to perform shaking only operation MK16１ min TIME POWER RUN STOP TIMER CONT min max SHAKE r p m min max PAUSE ON OFF 6 Stopping operation Set the switch on the shaking speed adjusting panel to the RUN STOP side 7 Pausing shaking operation Set the switch on the shaking speed adjusting panel to the PAUSE side Shaking will pause Setting this switch to the RUN STOP side again to resume...

Page 12: ...t to a shaking speed you want by turning the speed adjusting volume clockwise 6 Starting shaking operation Set the switch on the timer panel to the TIMER side Move the switch on the shaking speed adjusting panel upward to the RUN STOP side to start operation 7 Pausing timer operation Set the switch on the shaking speed adjusting panel to the PAUSE side Shaking pauses Set the switch to the RUN STOP...

Page 13: ... the set time You can change the shaking speed during operation simply by turning the volume on the shaking speed adjusting panel You cannot change the set time during timer operation Stop timer operation first and make setting again How to change the shaking system The unit has employed a new system that allows selecting reciprocating oval or rotation shaking system only with a volume Move the vo...

Page 14: ...l conical flask 2 2 sets 1set 232069 Springs of φ65 for holding conical flasks are included Shaking rack for slant type spew tubes 15ml 12 2 sets 1 set 232070 φ12 test tube 50 2 sets 1 set 232080 Shaking rack for slant type test tube φ16 5 test tube 20 2 sets 1 set 232081 φ18 test tube 20 2 sets 1 set 232082 Shaking rack for slant type 50ml centrifuge tube φ29 centrifuge tube 18 2 sets 1 set 23208...

Page 15: ...n 3 Do not place any object on the unit Do not place any object other than the special rack on the unit The unit may malfunction or drop and cause a personal injury 4 During a thunder storm When a thunder begins immediately turn power of the unit off shut the power supply off Leaving the unit as it is might cause a malfunction or a fire from lightening 5 About speed adjustment The unit has been ad...

Page 16: ...unit in the area where children may have access Be sure to remove handles before disposing the unit to prevent the doors from locking In general dispose the unit as a bulky waste Notes about disposition Always pay attention to the preservation of the global environment We highly recommend taking the unit apart as far as possible for separation or recycling to contribute to the preservation of the ...

Page 17: ...site Speed is uncontrollable Speed controller is defective Motor is defective Replace Replace If a malfunction is suspected In such cases Symptom Check The unit will not operate even though power is turned on If the power cord is connected to an outlet securely If a power failure has occurred If the fuse has blown Shaking speed fluctuates during operation If the amount of specimen is too much If s...

Page 18: ...consult your dealer one of our sales offices or our customer service center Paid repair service is available on your request when the product s functionality can be maintained by repair Minimum holding period of repair parts The minimum holding period of repair parts for this product is seven years after end of production Repair parts here refer to parts necessary for maintaining performance of th...

Page 19: ...A B C 5 6 CN3 MOTOR DRIVER 1 2 3 4 5 6 7 8 9 10 CN3 2 1 CN1 1 CN2 9 M ENC CN3 1 7 B W Symbol Part name FUSE Power fuse SW1 Shaking switch SW2 Timer switch SW3 Main switch VR1 Shaking speed adjusting volume M DC motor MAIN PCB Control substrate MOTER DRIVER DC motor control substrate DC1 DC power supply for control substrate DC2 DC power supply for motor ENC Timer encoder FIB Rotation detection sub...

Page 20: ... power supply for motor LT00021127 LCA150S 24 COSEL DC motor LT00019539 FY8S15 D3 NIDEC SERVO DC motor control substrate LT00019540 FYD815SD3 NIDEC SERVO Control substrate LT00002479 MK161 Yamato Shaking switch LT00002482 M 2028J Nikkai Timer switch LT00002483 M 2022J Nikkai Bezel LT00021128 AT 207K Nikkai Switch lever LT00020352 AT 4136K Nikkai Interrupter substrate LT00021135 MK161 interrupter s...

Page 21: ...roxide barium peroxide and other inorganic peroxides Potassium nitrate sodium nitrate ammonium nitrate and other nitrates Sodium chlorite and other chlorites Oxidizing substances Calcium hypochlorite and other hypochlorites Ethyl ether gasoline acetaldehyde propylene chloride carbon disulfide and other substances with ignition point at a degree 30 or more degrees below zero n hexane ethylene oxide...

Page 22: ...uction Never attempt to perform matters prohibited in this operation instruction Otherwise an unexpected accident may result Notice Descriptions in this operating instruction are subject to change without notice We will replace a manual with a missing page or paging disorder Operating instruction Shaker MK161 3rd edition Nov 27 2009 Revised Feb 29 2012 Yamato Scientific Co Ltd 103 8432 2 1 6 Nihon...

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