Adam Equipment PGW Precision Balances PGW2revA User Manual

 
© Adam Equipment Company 2010                        39 
 
15.0  SAFETY AND MAINTENANCE 
   
CAUTION  
Use  the  AC  adapter  designed  by  the  manufacturer  for   the  balance.  Other 
adapters may cause damage to the balance. 
 
Avoid overloading or dropping material onto the pla tform which could damage 
the balance.    Do  not  spill  liquids  on  the  balance  as  it  is  not  wa ter-resistant.  Liquids  may 
damage the case and if it gets inside the balance i t may cause damage to the...

 
© Adam Equipment Company 2010                        40 
These  are  the  rarest  of  the  problems  affecting  bala nces.    If  an  electronic 
problem  is  suspected  make  sure  the  mechanical  probl ems  that  can  cause 
similar  symptoms  have  been  eliminated  before  attemp ting  electronic  repairs.  
With  the  exception  of  cables  most  electronic  repair s  are  solved  by  board 
replacement. 
 
The  table  that  follows  is  a  guide  of  common  problem s  and  their  solutions....

 
© Adam Equipment Company 2010                        41 
  
Balance is very  
unstable and does not 
weigh correctly Mechanical problems   
Balance programming   
 
Electronic problems   *A complete inspection of the  
mechanics to look for sources of friction.
 
*Verify the A/D is also unstable.  If the  
A/D is OK then suspect the 
programming of the balance.  Reset 
parameters, check linearity and redo the 
calibration.  
Some electronic problems can also  
cause this.  But all mechanical problems...

 
© Adam Equipment Company 2010                        42 
  
Poor Linearity  Usually a mechanical 
problem    
  
Electronic Problems Re-check repeatability 
*Inspection of the flexures for damage  
or loose hardware may be required  
*Use the Linearity Function in the  
service menu to reset linearity  
*A problem in the analogue circuit board  
or power supplies can cause poor 
linearity.  Make sure all mechanical 
problems have been eliminated first  
  
OTHER PROBLEMS: 
Cannot calibrate  Zero...

 
© Adam Equipment Company 2010                        43 
17.0  REPLACEMENT PARTS AND ACCESSORIES 
 
If you need to order any spare parts and accessorie s, contact your supplier or 
Adam Equipment. A partial list of such items is as  follows- 
 
  Power Supply Module 
   Stainless Steel top Pan 
   Below Balance Hanger 
   Density Determination Kit 
 
  Anti-Vibration Table 
   Security Lock and Cable 
   Dust Cover 
   Printers, etc. 
 
 
18.0  SERVICE INFORMATION 
 
This  manual  covers  the...

 
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 © Adam Equipment Company 2010                                                                       
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19.0  BALANCE MENU STRUCTURE  
   

 © Adam Equipment Company 2010                                                                       
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© Adam Equipment Company 2010  
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WARRANTY INFORMATION 
Adam Equipment offers Limited Warranty (Parts and Labor) for the components failed due 
to defects in materials or workmanship.  Warranty starts from the date of delivery. 
During the warranty period, should any repairs be necessary, the customer must inform 
the supplier or Adam Equipment. The company or its authorised Technician reserves the 
right to repair or replace any components at its own discretion. Any shipping costs involved 
in sending...