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@Adam Equipment Company 2005

 

 

 

3.0  TROUBLE SHOOTING GUIDE  

 

PROBLEM   

 

 

POSSIBLE CAUSE 

 

Display is blank 

Power Switch not turned on 

No turn on test 

Battery Not charged 

 

Power supply or battery faulty 

 

Display all zeros after turn on 

Unstable weight 

or “

” is displayed 

Load cell damaged, Electronics faulty 

 

OL appears on display 

Maximum capacity exceeded 

 

Load Cell damaged, Electronics is faulty 

 

Error code displayed 

Weight on scale below permissible limit 

 

Pan has been removed 

 

Pan support not seated properly 

 

Electronics faulty, Load Cell damaged 

 

Display is unstable or 

Drafts or air currents 

” is displayed 

Obstruction under pan 

 

Sample is moving (animal weighing) 

 

Vibrations through table 

 

Temperature changed dramatically 

 

Electronics faulty 

 

 

Weight value incorrect 

Calibration error, Recalibrate 

 

Unit calibrated with inaccurate weight 

 

Balance not level 

 

Obstruction between sample and cover or 

 

 

breeze shield 

 

Wrong unit of weight displayed 

 

Cannot use Full Capacity   

Over-load Stops hitting pan support or hitting  

 

 

 

 

 

 

bottom of load cell 

 

 

 

 

 

Electronics faulty  

 

 

 

 

 

Parameters set incorrectly 

 

 

 

 

 

Load Cell Damaged 

 

Not Linear   

 

 

Overload stops hitting too soon 

 

 

 

 

 

Load cell damaged, A/D damaged 

 

Off Centre Loading error   

Overload Stops not correct 

 

 

 

 

 

Load Cell damaged 

 

Battery will not charge 

 

Charging circuit failure 

 

 

 

 

 

Battery Failure 

Summary of Contents for ACBplus Series

Page 1: ...nt Company 2005 Adam Equipment ACBplus plus plus plus SERIES SERVICE MANUAL Software rev 1 13 for standard models 1 9 for ACBplus 1000 and 2 1H for ACBplus 600H ADAM EQUIPMENT CO LTD p n 6018 Rev B2 F...

Page 2: ...e revision 1 06 1 07 for standard models and 1 2H 1 3H for ACBplus 600H Manual Revision B1 September 2004 Software rev 1 13 for standard models 1 9 for ACBplus 1000 and 5000 and 2 1H for ACBplus 600H...

Page 3: ...S 10 5 3 1 Selecting the communication port 10 5 3 2 Setting the print mode 10 5 3 3 Setting the baud rate 10 5 3 4 Parity settings 11 5 4 SETTING OF AUTO SWITCH OFF 11 5 5 TECHNICAL PARAMETERS 11 6 0...

Page 4: ...then contact your dealer or Adam Equipment for more assistance In order to supply further assistance we will need the following information Name of your company Contact Name Contact telephone e mail...

Page 5: ...01g 0 01 g 0 05g 0 1g Linearity 0 01g 0 02g 0 04g 0 02g 0 02 g 0 1g 0 2g Pan 120mm 4 7 124 144mm 4 9 X5 7 Wind shield Included as standard Units of Measure g ct Lb OZ d GN OZt dWt MM TL T TL C TL t t...

Page 6: ...s unstable or Drafts or air currents is displayed Obstruction under pan Sample is moving animal weighing Vibrations through table Temperature changed dramatically Electronics faulty Weight value incor...

Page 7: ...e for its weight will be displayed Press the Tare key to tare the scale The weight that was displayed is stored as the tare value It is subtracted from the displayed value leaving zero on the display...

Page 8: ...sample For example is 350g is placed on the scale and the key is pressed the display will show 100 00 Removing the 350g weight and place a 300g weight on the scale The display will show 85 71 as 300g...

Page 9: ...is set to manual accumulation See the Parameter Section the weight displayed will be stored in memory when the Print key is pressed and the weight is stable The display will show followed by the tota...

Page 10: ...change the settings of a particular parameter For example to enable the weighing unit pounds change the setting to by pressing Mode now Use the Print key to leave a parameter unchanged The following...

Page 11: ...ile weighing a sample the display will show the weight and the units of weight currently in use To view the weight in other units which are enabled press Mode 5 2 SETTING OF THE BACKLIGHT The backligh...

Page 12: ...he print mode is displayed Press Mode to cycle through the other options The following options are available The scale sends the accumulated weights to the communication port whenever the Print key is...

Page 13: ...ro key to view the current setting for the backlight Press Mode to scroll through other settings 0 5 10 20 and 30 minutes Press Zero to store a particular setting o Use the Print key to leave a parame...

Page 14: ...display will show Place this weight on the platform and press Zero when the stability indicator will be on to show the value is stable Once calibration is complete the scale will return to normal weig...

Page 15: ...e problem persists contact your dealer or Adam Equipment for assistance Keyboard Error Improper operation of the scale Incorrect A D count The values from the A D converter are outside the normal rang...

Page 16: ...Main PCB assembly Battery Display PCB assembly Keypad I O PCB RS 232 Power IN OUT All models of ACBplus are similar except the selection of load cells and the program Normally if a problem is found w...

Page 17: ...Pressing Zero will allow the user to enter the Technical parameters setting mode The first technical parameter will be displayed Press Mode to scroll through the technical parameters as below Correct...

Page 18: ...UNT Press Zero when is displayed The A D Count will be displayed If the Load cell is good then Counts should operate between 10 000 and 900 000 with maximum load Press Zero to escape this parameter Pr...

Page 19: ...key when stable Note The scale should be stable before pressing Zero to accept a weight The stability indicator will be on to show the value is stable Once calibration is complete it will return to no...

Page 20: ...s the same as pressing Tare key Z cr If Sets the zero point for all subsequent weighing Display shows zero T5 345 cr if Would be same as entering a preset tare value of 5 345 from keypad P cr lf Print...

Page 21: ...in a particular way on the metal structure These 4 strain gauges are connected in such a way that they form a wheatstone bridge See figure below In the simplest load cells there are only the 4 resista...

Page 22: ...LY Vout O VOLTS BETWEEN S AND s A method to check the basic function and integrity of a load cell can be done using ohmmeter and voltmeter with up to a 10volt power supply Before the load cell is conn...

Page 23: ...h 20Kg placed on it Vext is 5 volts would give a output of approximately Vout 2mv V Vext Mass 2mv V 5V 20Kg 6 7mv capacity of load cell 30kg If the load cell has been damaged the no load voltage will...

Page 24: ...Adam Equipment Company 2005 22 13 0 ACBplus plus plus plus EXPLODED VIEW...

Page 25: ...Adam Equipment Company 2005 23 14 0 ACBplus plus plus plus MAIN PCB ASSEMBLY...

Page 26: ...Adam Equipment Company 2005 24 15 0 ACBplus plus plus plus DISPLAY PCB ASSEMBLY...

Page 27: ...Adam Equipment Company 2005 25 16 0 ACBplus plus plus plus I O PCB ASSEMBLY...

Page 28: ...Adam Equipment Company 2005 26...

Page 29: ...to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment The equipment generates uses and can radiate radio frequency energy and if not...

Page 30: ...tronic Scales for Medical use Retail Scales for price computing Adam Equipment Co Ltd Bond Avenue Milton Keynes MK1 1SW UK Phone 44 0 1908 274545 Fax 44 0 1908 641339 e mail sales adamequipment co uk...

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