Cornell Audio Call series 4500
Cornell · Model Audio Call series 4500
• Reliability - Consistent reliability is essential to any audio/visual emergency call system. • Specialization - CORNELL is the leader in renovation for one reason: we will manufacture custom mounting plates for special applications. • Versatility - With any emergency call system, adaptability will ensure it meets the individual needs of the facility. We have designed a wide variety of standard products in configurations that will meet the unique requirements of any organization. • High Tech - CORNELL has invested in the tech-nologies proven to produce the best results at the lowest cost. We have selected stan-dard components to simplify serviceability
Key tips
- ·Mounting and securement hardware takes real fatigue from vibration and road shock - inspect it as carefully as the device itself.
- ·Post-call battery and function checks catch transport-induced faults that a scheduled PM would miss for months.
Typical Failure Modes
Failure patterns typical of this equipment class - general BMET reference, not verified against this exact unit's own service history unless flagged. Severity is a category-level estimate.
Battery / runtime fault
HighSymptoms: Short runtime, low-battery alarm.
Root cause: Aged battery.
Connector / cable fatigue
MediumSymptoms: Intermittent signal/power.
Root cause: Repeated flexing.
Transport mount / cradle wear
LowSymptoms: Loose device, vibration damage.
Root cause: Docking latch wear.
Serviceable Parts & Consumables
The parts a BMET typically services on this class of equipment. Service class and relative cost are general engineering estimates for the category, not figures from this unit's documentation. Part numbers appear only when pulled from this unit's own service manual. Always confirm intervals and pricing against the manufacturer.
Patient cable set
Class Periodic replacementRel. cost $$R&R Easy
Rechargeable battery pack
Critical for transport; spares mandatory.
Class Frequent wear itemRel. cost $$$R&R Fairly easy
Docking cradle / latch
Class Periodic replacementRel. cost $$R&R Fairly easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Patient cable set | Periodic replacement | $$ | Easy |
| Rechargeable battery pack Critical for transport; spares mandatory. | Frequent wear item | $$$ | Fairly easy |
| Docking cradle / latch | Periodic replacement | $$ | Fairly easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Post-call function and battery check
- ·Mounting / securement inspection
- ·Annual full PM and vibration-tolerance check
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Battery / runtime fault
- Confirm the presentation - typically short runtime, low-battery alarm - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: aged battery.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the rechargeable battery pack per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Symptom: Transport mount / cradle wear
- Confirm the presentation - typically loose device, vibration damage - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: docking latch wear.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the docking cradle / latch per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Ambulance / transport vehicles
- Emergency Department
- Inter-facility transport teams
Documents & Manuals
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