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Why Your Cash Drawer Isn't Opening from the POS

If your cash drawer isn't opening from the POS, it could be due to several issues like connection or power supply problems. Here’s how to troubleshoot.

3 min read
A cash drawer situated at a retail checkout counter.

If your cash drawer isn't opening from the POS, it may be due to connection issues, power supply problems, or incorrect software settings. Fortunately, there are specific steps you can take to troubleshoot and resolve the issue effectively during your shift.

Why isn't my cash drawer opening?

When your cash drawer fails to open, it often happens at the busiest times, making transactions frustrating. You might find that pressing the button on the POS does not trigger the drawer to open, or it may only open intermittently. Several factors can cause this issue: faulty connections between the drawer and the POS, a malfunctioning cash drawer, or software settings that are not configured properly.

How to troubleshoot connection issues

Before attempting more complex solutions, check the connections between the cash drawer and the POS system. Start by ensuring the cash drawer is properly connected. Here's how:

  • Ensure the cash drawer cable is securely plugged into both the drawer and the POS terminal.
  • If you're using a USB connection, try a different port on the terminal.
  • Inspect the cable for any visible damage.

If everything appears connected correctly, restart both the POS system and the cash drawer to refresh their connections.

An employee unplugging a cash drawer from a power outlet.

Steps to reset the cash drawer

Resetting the cash drawer can often resolve temporary glitches. Follow these steps:

  1. Unplug the cash drawer from the power source.
  1. Wait for about 30 seconds.
  1. Plug the cash drawer back in.
  1. Try to open the cash drawer using the POS again.

If the drawer still doesn’t open, consult the user manual for model-specific reset instructions.

Checking for power supply problems

Power supply issues can prevent your cash drawer from opening. To verify if it’s receiving power, follow these steps:

  1. Check the power adapter and make sure it’s plugged into a functional outlet.
  1. If possible, test the outlet with another device to confirm it’s operational.
  1. Look for any LED indicators on the cash drawer that signal it's powered.

If the drawer has no power, consider replacing the power adapter or checking the outlet.

A power adapter connected to a cash drawer.

Verifying software settings for the POS

Incorrect settings in the POS software may also prevent the cash drawer from opening. Here’s what to check:

  1. Open the POS software and navigate to the settings or configuration section.
  1. Look for the cash drawer settings and ensure it’s configured to open with the correct command, which is typically a specific button or command key.
  1. Save any changes and restart the software.

If the cash drawer still doesn’t respond, consult the software manual or contact support for assistance.

Conclusion

If you've followed these troubleshooting steps and the cash drawer still won't open, it may be time to consult with your technical support team or consider replacing the cash drawer.