Optima Scale OPD-E Maintenance Manual Download Page 12

                                     

OPTIMA

 

SCALE

 

MANUFACTURING

 

INC.

   

 

 

12 

 
8.  Check  if  the  balance  meets  requirements  on  the  production  notice  and  particular  production 
requirements.   
 
9. Check if components on the packing list are complete and if their types correspond with their 
serial numbers one by one. 

 

Chapter XI: Failure and Maintenance   
 

1. Problem: When the balance is switched on, “P    FAIL” is displayed. 
    Failure analysis: mis-operation, failing to switch off the machine normally or pull out power 
                                supply directly. 
    Solution: Press POWER to switch on and then “0.0000g" is displayed. 

 

2.

 

Problem: Switch on the balance and “P FAIL” is displayed. After you press “POWER”,   

                      the screen display is unchanged, the display is abnormal and the pressing sound is 
                      sent out. 
      Failure analysis and Solution: 
      1) Switch on the balance again and check if the failure has been solved.   
      2) Z80 core is damaged and shall be replaced.   
 
3.

 

Problem: “P FALI 2" is displayed after the balance is switched on. 

      Solution: check zero point and full scale count values. 

 

4. Problem: “+E"/"-E" is displayed after the balance is switched on, and nothing happens when   

            POWER is pressed. 

    Failure analysis and Solution: 
    1) If the original part of the circuit board is damaged: replace Q3/Q4 and 1016E cores. 
    2) Check if there is a scale pan and if the scale pan has been overloaded.   

 

5. Problem: “CAL NO” appears during calibration:   
    Failure analysis: 
 
 
   

1) External calibration balance:

   

 
        A: If a mistake happens when the weight is loaded, F1 100g standard weight shall be loaded. 
 

B: If the zero point count value and the full load count value exceed the scope, check and 
      adjust these count values.   
 

   

2) Internal calibration balance:

   

 

A: The weight interferes with other parts when it is loaded and cannot be loaded in place:   
    disassemble the upper cover plate of the balance, check the action when the weight is   

Summary of Contents for OPD-E

Page 1: ...Adjustment Chapter III Corner Error Adjustment Chapter IV Model Setting Chapter V Linearity Calibration Chapter VI External Weight Calibration Chapter VII Correction of Internal Calibration Weight Val...

Page 2: ...e windshield After that press the left and right glass note adhesive strips for the left and right glass are pasted in the sheath and then remove the entire windshield II Adjust the Zero and Full Scal...

Page 3: ...sequence after checking Chapter II Balance Adjustment 4MM adjustment When the balance is under the condition A and B observe the change of the balance value Condition A means the balance is at the hor...

Page 4: ...eck the value displayed at five positions of the balance i e up down left right and middle Then make a contrast with the value displayed in the middle When the error is more than 0 2mg make an adjustm...

Page 5: ...isplayed press TARE Then setting is finished The balance displays 1 112111 c Swith ON Remark There are 10 internal models for this type of balance 200 180 120 60 H200 H180 H120 H60 600c and 150c Chapt...

Page 6: ...djust the gradienter to the horizontal position 1 External weight calibration for external calibration balance for external calibration balance it is confirmed that the internal parameter is C1 1 A Pr...

Page 7: ...and the error shall have no more than 3 bits If the error has more than 3 bits the balance shall be calibrated again Chapter VII Correction of Internal Calibration Weight Value Background reference f...

Page 8: ...out for the weight be sure to return the set value of the internal weight to the system default 100 0000 Chapter VIII 200g Full Scale Correction Note After the linear calibration for the balance chec...

Page 9: ...h It takes 6h for every circulation to make the balance display the count value 4 When the temperature rises the display value goes up i e high temperature value low temperature value 0 and the polari...

Page 10: ...s impossible to adjust leftward anymore increase the resistance of R13 Chapter X Inspection I Corner Error Test Switch on the balance preheat it for half an hour and adjust it horizontally Use a 100g...

Page 11: ...fectiveness test once every hour check the full scale reading perform the test for five times continuously and the indication error shall be no more than 10D V Full Range Floating Test Preheat the bal...

Page 12: ...failure has been solved 2 Z80 core is damaged and shall be replaced 3 Problem P FALI 2 is displayed after the balance is switched on Solution check zero point and full scale count values 4 Problem E E...

Page 13: ...roblem The balance reading is unstable and always changes Failure analysis A The reed has corrugation B There are foreign matters in the magnetic steel of the sensor Clear foreign matters disassemble...

Page 14: ...n the front glass protective plate Remove the two M3 inner hexagon screws for tightening the front glass protective plate and then loosen the front glass protective plate 5 Remove the balance baffle L...

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