CPI MEI Talos: Troubleshooting Stacker Full Error -... | terminalfaults.org

Technical Background:

The Talos utilizes optical sensors and/or mechanical switches to detect the bill stacker level. The 24V DC logic circuit interprets the signals from these sensors. The control board firmware monitors the sensor state to determine if a 'stacker full' condition exists. Diagnostic routines can verify voltage levels at the sensor input pins. Baud rates on the RS-232 communication bus are checked during diagnostics.

Symptoms:

The CPI MEI Talos reports a "Stacker Full" error despite the bill stacker not being physically full.

Possible Causes:

Optical sensor contamination (dust, debris) causing false triggering.
Faulty or misaligned optical sensor (emitter or detector diode failure).
Mechanical switch failure (stuck or broken).
Wiring harness damage or disconnection affecting sensor signal integrity.
Corrosion on connector pins of the stacker sensor or control board.
Software or firmware error in the Talos control board interpreting sensor data.

Solution:

1

Power cycle the CPI MEI Talos and the host system.
2

Inspect the bill stacker area for any obstructions or debris.
3

Visually inspect the optical sensors for dust or contamination. Clean gently with compressed air.
4

Check the wiring harness and connectors associated with the stacker sensor for loose connections or damage.
5

Use the Talos diagnostic mode (if available) to test the stacker sensor input signals.
6

Consult the Talos service manual for specific sensor voltage ranges and test procedures.
7

Check the RS-232 communication for error codes related to stacker status.

Safety Warning:

Exercise caution when working with electronic components. Ensure the Talos is de-energized before performing any inspection or cleaning procedures. Avoid contact with high-voltage areas inside the kiosk. Note that unauthorized modifications to the validator may void its warranty.

Prevention:

Regularly clean the bill stacker area to prevent dust and debris accumulation.,Schedule routine maintenance to inspect wiring harnesses and connectors for damage or corrosion.,Ensure proper ventilation around the Talos to prevent overheating and condensation.,Apply cable strain relief to prevent connector damage.

Expert Tip:

A temporary workaround (if applicable) may involve slightly adjusting the position of the optical sensor if it's mechanically adjustable. Document the original position before adjustment. Review the diagnostic logs for error code frequency, which may indicate environmental influences. Also, check the bill diverter gate; even though the stacker isn't full, a stalled or jammed diverter can mimic a stacker full condition.

Frequently Asked Questions

•What are the voltage levels I should expect from the optical sensors?

Refer to the CPI MEI Talos service manual for specific voltage ranges based on sensor state (blocked/unblocked).

•How do I access the diagnostic mode on the CPI MEI Talos?

The diagnostic mode access procedure varies. Consult the CPI MEI Talos service manual or contact CPI MEI technical support for instructions.

•What type of cleaning solution is safe to use on the optical sensors?

Use dry compressed air. If necessary, a lint-free cloth dampened with isopropyl alcohol can be used gently. Ensure all alcohol has evaporated before powering on the device.

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•What are the voltage levels I should expect from the optical sensors?

•How do I access the diagnostic mode on the CPI MEI Talos?

•What type of cleaning solution is safe to use on the optical sensors?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: