Troubleshooting a laboratory balance may fix your balance woes.
Are you weighed down with balance issues? Is old faithful giving you problems? Perhaps, your new laboratory balance isn’t working correctly and you just took it out of the box! It can be frustrating. Maybe it’s a simple fix. Instead of winging it, possibly causing further damage, find the manual and do a little troubleshooting. Most laboratory balance manuals should have a section on how to troubleshoot the balance. But, if you don’t have the manual and need a few tips, the troubleshooting information below may help you.
What to look for when troubleshooting a balance:
User-Related Issues Affecting Laboratory Balance Performance
Operators may encounter challenges when the balance is tasked with functions beyond its capabilities or when there’s confusion regarding its modes and settings. Misconfigured parameters can lead to operational discrepancies. Resetting these parameters to their default settings often resolves such issues. Ensuring that personnel are adequately trained in the balance’s functionalities is crucial for maintaining optimal performance.
Identifying and Resolving Mechanical Issues in Precision Balances
Laboratory balances are intricate and sensitive instruments. Overloading, accidental drops, or improper shipping can cause significant damage, particularly to delicate components like flexures. Accumulation of dust, dirt, spills, or other
foreign materials can also impair functionality. Regular maintenance and adherence to proper handling protocols are essential to prevent mechanical failures.
Diagnosing and Addressing Electronic Malfunctions in Analytical Balances
Electronic issues are less common but can still affect laboratory balances. Before considering electronic repairs, it’s advisable to rule out mechanical problems that may present similar symptoms. Often, electronic malfunctions are resolved through the replacement of circuit boards, with cable issues being a notable exception.
Managing Shipping Concerns for Laboratory Balances
To prevent damage during transit, balances are typically shipped with a protective block under the load cell. It’s essential to consult the instruction manual for proper removal procedures. Despite these precautions, shipping can sometimes affect balance readings, necessitating recalibration upon receipt.
Maintaining Calibration Integrity in Precision Balances
Calibration discrepancies often arise from factors such as shipping, temperature fluctuations, and altitude changes. Utilizing internal or external calibration methods can restore accuracy. For new purchases, Cole-Parmer partners with InnoCal calibration solutions to calibrate your unit before it ships.
Troubleshooting Display Malfunctions in Analytical Balances
A frozen display can often be remedied by restarting the unit or reconnecting the power supply. If the balance fails to power up, this may indicate issues with the PC board or internal electronics, warranting professional assessment.
Verifying Measurement Precision in Laboratory Balances
Cole-Parmer balance with internal calibration
To assess a balance’s accuracy, it’s imperative to use certified calibration weights. Relying on non-standard items, such as household goods, can lead to erroneous calibrations and unreliable measurements.
Time for repair?
When you don’t know how to fix your laboratory balance after troubleshooting, you can contact InnoCal to calibrate your unit before it ships, or you can order AL-TAR onsite-service through Cole-Parmer.
Shop the entire Cole-Parmer catalog for all of your laboratory weighing needs.
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We have some balances in our lab at school that haven’t been performing very well. I appreciated this post, and I didn’t’ realize that drafts can actually affect the readings. I’ll make sure to try to control that aspect better to see if that helps. Thanks for sharing this.
Hi,
My S-PA 224E show this message in display: tEnP Er.
Not working, please help
Hi Walter:
Thanks for your inquiry. I updated the blog post, so hopefully you won’t have a problem now. Please let us know if you are still having problems getting this information.
i have a balance shimadzu AUY220 that initializes but stops at OFF, what could be the problem?
This forum is great
Hi,
i have a problem with my balance RADWAG model AS 220.R2 and S/N 448623 giving an error ( F E5EE) kimdldy assist with any idea of a troubleshooting steps to resolve the problem.
Hello Rene:
We are sorry you are having issues with your balance. You will need to contact our technical support reps for further assistance. Here is a link to all of the emails and phone numbers. https://www.coleparmer.com/contact-us.