Common Problems with Tablet Counting Machines and How to Solve Them

Common tablet counting machine problems include unstable counts, poor product feeding, tablets or capsules sticking together, excessive dust, bottle positioning problems, and unexpected production stops.

Many of these problems do not mean the counting machine itself has failed. They can result from product characteristics, machine settings, cleaning conditions, bottle specifications, or interaction with other equipment in the line.

A systematic troubleshooting process can help identify the real cause.

Problem 1: The Count Is Sometimes Incorrect

If bottles occasionally contain an unexpected count, first inspect the product flow rather than immediately assuming the electronic system has failed.

Possible causes include:

• Products overlapping
• Sticky products moving together
• Broken tablets or fragments
• Excessive dust
• Unstable feeding
• Incorrect settings
• Dirty detection areas
• Product characteristics that differ from the previous setup

What Should You Check?

Stop the machine safely according to the operating instructions and inspect the relevant feeding and counting areas.

Check whether products are separating before entering the detection area.

Clean relevant areas according to the manufacturer’s instructions and verify that the machine settings are appropriate for the current product.

Then run a controlled test before returning to normal production.

Problem 2: Tablets or Capsules Do Not Feed Smoothly

Unstable feeding can reduce production efficiency and affect product separation.

Possible causes include:

• Inappropriate feeding settings
• Product accumulation
• Sticky product surfaces
• Irregular product shape
• Product fragments
• Dust accumulation
• Incorrect setup after changeover

How Can You Improve Feeding?

Observe the product movement through the feeding channels.

The goal is not simply to increase vibration or feeding speed. Products need to move forward while maintaining sufficient separation.

Settings should be adjusted according to the actual product and the machine instructions.

For difficult products, ask the manufacturer to evaluate actual samples.

Problem 3: Products Stick Together

Sticky products can be challenging for electronic counting.

This is particularly relevant to some gummies, softgels, coated products, or products affected by storage and environmental conditions.

If two pieces remain attached, they may not behave like two clearly separated products during feeding and detection.

What Can You Do?

First evaluate the actual product condition.

Check whether the products were already sticking before entering the machine.

Then evaluate feeding and separation settings and confirm whether the product is suitable for the current machine configuration.

For persistent sticking, product testing with the machine manufacturer is recommended.

Do not simply increase machine speed, because faster feeding does not necessarily improve separation.

Problem 4: Excessive Dust or Product Fragments

Some tablets can generate dust or fragments during handling.

Accumulation around feeding or detection areas may affect machine operation.

How Should You Handle It?

Establish an appropriate cleaning and inspection routine based on the product and machine instructions.

Also investigate why excessive fragments are present.

The source may be the product itself, upstream handling, or another part of the process.

Do not use cleaning methods, liquids, or compressed air around sensitive components unless they are permitted by the equipment instructions.

Problem 5: Bottles Do Not Stop or Position Correctly

Sometimes the counting system is working correctly, but bottles are not arriving at the filling position as expected.

Possible causes can include:

• Incorrect bottle-guide adjustment
• Bottle dimensions different from the setup
• Unstable bottle supply
• Conveyor-related issues
• Incorrect changeover adjustment
• Upstream bottle-handling problems

What Should You Check?

Confirm the bottle dimensions and machine setup.

Inspect bottle guides and observe whether bottles arrive consistently at the filling position.

If the counter is part of a complete line, also check the upstream bottle supply.

Problem 6: Products Do Not Enter the Bottle Smoothly

A correct count is not enough if the products cannot discharge smoothly into the bottle.

Possible factors include:

• Bottle opening size
• Product dimensions
• Product shape
• Product accumulation at discharge
• Incorrect bottle positioning
• Machine setup

This is why bottle opening diameter should be provided when selecting a counting machine.

Testing actual bottles and products can identify potential filling problems before production.

Problem 7: Production Speed Is Lower Than Expected

A machine operating below the expected output does not necessarily have a mechanical fault.

Actual production capacity can be affected by:

• Product characteristics
• Count per bottle
• Bottle specifications
• Feeding settings
• Counting configuration
• Bottle supply
• Downstream capping or labeling capacity
• Complete-line balance

Before increasing machine settings, determine which stage is limiting the production flow.

Problem 8: The Counting Machine Stops During Line Operation

If a counter is part of an automatic line, a stop may be related to another process.

A typical line can include:

Bottle Unscrambler → Electronic Counting Machine → Desiccant Inserter → Capping Machine → Induction Sealing Machine → Labeling Machine → Collection Turntable

For additional troubleshooting and electronic counting guides, visit the Counting Machines section.

Check whether bottles are accumulating upstream or whether downstream equipment is preventing normal bottle movement.

Follow the machine’s displayed information and operating manual when identifying the cause.

Problem 9: Problems Start After Changing Products

If the machine worked normally before a product change, review the changeover first.

Different products may require different:

• Feeding settings
• Counting settings
• Product handling adjustments
• Cleaning procedures
• Bottle-guide adjustments

Do not assume that settings suitable for one tablet will automatically work for another.

After a changeover, run a test before full production.

Problem 10: Problems Start After Changing Bottles

If the product has not changed but filling becomes unstable after introducing another bottle, check:

• Bottle height
• Bottle width or diameter
• Bottle opening
• Bottle guides
• Filling position
• Conveyor setup

Bottle compatibility should be considered together with product compatibility.

A Simple Tablet Counting Machine Troubleshooting Order

When a problem occurs, avoid changing multiple settings at the same time.

A practical troubleshooting sequence is:

1. Identify the symptom

Is the problem counting, feeding, bottle handling, discharge, or complete-line operation?

2. Check the product

Look for sticking, fragments, dust, unusual dimensions, or changes in product condition.

3. Check cleanliness

Inspect relevant feeding and detection areas according to the operating instructions.

4. Check settings

Confirm that the current settings correspond to the product and bottle being used.

5. Check bottle handling

Verify bottle dimensions, guides, positioning, and supply.

6. Check the complete line

Determine whether upstream or downstream equipment is creating the problem.

7. Run a controlled test

After making one appropriate adjustment, test again and observe the result.

8. Contact technical support

If the problem remains, provide the manufacturer with the machine model, product information, settings, photos, videos, and a clear description of the symptom.

This information makes remote troubleshooting much more effective.

What Information Should You Send for Remote Troubleshooting?

Prepare:

• Machine model
• Product photos
• Product dimensions
• Bottle photos and dimensions
• Count per bottle
• Current machine settings
• Description of the problem
• When the problem started
• Photos of the relevant machine area
• Short video showing the problem
• Any displayed alarm or message

A video showing the complete product and bottle flow can often be more useful than simply saying, “The machine is not counting correctly.”

Tablet Counting Machine Troubleshooting FAQ

Why is my tablet counting machine miscounting?

Possible causes include overlapping or sticky products, fragments, dust, unstable feeding, inappropriate settings, dirty detection areas, or product changes. Identify the physical cause before changing multiple settings.

Why do gummies stick in a counting machine?

Some gummies have sticky surfaces that make individual separation more difficult. Product condition, feeding settings, and machine configuration should be evaluated using actual samples.

Why does my tablet counter keep jamming?

First identify where the accumulation occurs. Product characteristics, fragments, feeding settings, discharge conditions, or bottle positioning may contribute to the problem.

Why is my counting machine slower than expected?

Actual output depends on the product, count per bottle, bottle specifications, feeding conditions, machine configuration, and the capacity of upstream and downstream equipment.

What should I do if cleaning does not fix inaccurate counting?

Check product separation, product condition, current settings, fragments, bottle handling, and whether anything changed before the problem began. If the cause remains unclear, provide photos and videos to the machine manufacturer for troubleshooting.

Should I recalibrate the machine myself?

Follow the operating manual and manufacturer instructions for the specific machine. Do not make unsupported sensor or control adjustments simply because a counting problem occurs; first determine whether the issue comes from feeding, product condition, cleanliness, settings, or another part of the process.