Public-safe review handoff
USI 3155B Combo II
Public-safe review handoff
This procedure guides you through initial, non-invasive checks that can be performed safely by general personnel to determine if professional service is required.
- If any issue is suspected beyond basic visual checks, immediately contact a qualified technician for further assessment.
Checklist
Guided Diagnostic Steps
Work from low-risk checks toward technician-level inspection only when evidence supports it.
You can read or print the route now. The first checkbox click opens the service contact gate.
- 1
Visually inspect the exterior casing for obvious damage or tampering.
operator-intermediatemediumVisually inspect the exterior casing for obvious damage or tampering.
Stop conditions- If any issue is suspected beyond basic visual checks, immediately contact a qualified technician for further assessment.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 2
Confirm that all visible indicators, such as lights or displays, are...
operator-intermediatemediumConfirm that all visible indicators, such as lights or displays, are powered on and functioning as expected.
Stop conditions- If any issue is suspected beyond basic visual checks, immediately contact a qualified technician for further assessment.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 3
Perform a visual inspection of the exterior components.
operator-intermediatemediumPerform a visual inspection of the exterior components.
Stop conditions- If any issue is suspected beyond basic visual checks, immediately contact a qualified technician for further assessment.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 4
Check the general operational status indicators on the front panel.
operator-intermediatemediumCheck the general operational status indicators on the front panel.
Stop conditions- If any issue is suspected beyond basic visual checks, immediately contact a qualified technician for further assessment.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 5
Document any observed anomalies for the service technician.
operator-intermediatemediumDocument any observed anomalies for the service technician.
Stop conditions- If any issue is suspected beyond basic visual checks, immediately contact a qualified technician for further assessment.
Expected: Result is documented before continuing the route.
Evidence to note: note
Tools for this route
Location Help
Where to find this
Use this as orientation before touching the machine. It is location help, not a repair instruction.
Start at the customer delivery bin and product drop path; clear visible product and debris before moving to internal checks.
- Confirms that a product has passed through the delivery area and signals successful vend to controller.
- infrared-emitter-detector-pair
- reflective-sensor
- sensor-harness
cabinet glass front
control board generic
wiring harness
vend motorParts status
Exact public parts list not verified yet. Use this route to identify the system before ordering.
Candidate areas for part verification
Other Possible Issues
Switch routes if this symptom is not the closest match.