Why Does the Cash Drawer Take Time to Lock After Triggering?

 Solenoid Overload Warning: Pulse Width Too Long

If the solenoid valve that activates the cash drawer stays energized for too long, it can cause several issues:

• Overheating of the solenoid coil
• Magnetization of the shaft, preventing the drawer from closing properly until the magnetic field dissipates
• Potential damage to the solenoid mechanism over time

✅ Solution

Reduce the pulse width time to below 300ms to prevent overheating and ensure proper drawer operation.

We’re here to help—contact our team anytime with your questions.

🎥 Demo Alert

A video demonstration shows the error caused by an incorrect pulse width setting exceeding 300ms, which can trigger these issues.

Cash Drawer Not Responding via RJ11/RJ12 Port? Try These Steps

1. Run a Test Kick-Out

• If your POS system supports it, send a test command to “kick out” the drawer.

2. Check POS Software Settings

• Ensure your POS system is configured to open the drawer after cash transactions.
• Look for drawer settings under “Peripheral” or “Printer” options in your POS software.

3. Inspect for Mechanical Issues

• Open the drawer manually with a key.
• Remove any jammed coins or bills.
• Clean and lubricate the drawer tracks if it sticks or doesn’t slide smoothly.

4. Check the Physical Connection

• Make sure the RJ cable is securely plugged into:
  • The cash drawer
  • The receipt printer or POS terminal DK port
• Try reseating the cable (unplug and replug both ends).
• Inspect the cable for visible damage or bent pins.

5. Test the Drawer Manually

• Use the manual key to open the drawer.
• If it doesn’t open manually, the issue may be mechanical, not electrical.

6. Contact Support

• If all else fails, reach out to the service department for further assistance.

Troubleshooting Cash Drawer Detection Issues in POS Systems

Common Causes :

Sensor or Hardware Issues –

• Misaligned drawer: If the drawer isn’t fully closed or seated properly, the sensor may misread its status.
• Worn-out sensor: Aging or faulty sensors can trigger false open/close signals.
• Loose or damaged cable: A faulty RJ cable or loose connector can disrupt communication between the drawer and POS.

Software or Configuration Errors –

• Incorrect POS settings: If the system isn’t set up for your specific drawer model, it may misinterpret its status.
• Driver problems: Missing or outdated drivers—especially for the receipt printer—can block drawer communication.
• Timeout settings: If the drawer doesn’t open within the expected timeframe, the POS may log an error even if it opens later.

How to Diagnose and Fix –

• Inspect the sensor: Clean gently and check for physical damage or misalignment.
• Test manual operation: Use the drawer key to open/close manually and observe if the error persists.
• Run diagnostics: Use your POS system’s “test drawer” or “kick-out” command to verify functionality.
• Check connections: Reseat the RJ cable and inspect for wear or loose plugs.
• Review POS settings: Ensure options like “Cash Drawer Connected” are enabled and correctly configured.
• Update firmware/drivers: Especially for the receipt printer, which often controls drawer activation.