Hudson RCI ConchaTherm III
Hudson RCI · Model ConchaTherm III
Hudson RCI ConchaTherm III 380-80 heated humidifier offers the utmost in simplicity, while providing the option to make adjustments and customize settings in response to unique patient or environmental challenges or in keeping with hospital protocols.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
Not producing humidity / temperature not reached
HighSymptoms: Dry gas to the patient, low airway temperature, chamber not warming.
Root cause: Heater base plate fault, chamber not seated, a temperature-probe fault, or a water-feed issue.
Heater-wire circuit alarm
MediumSymptoms: Rain-out in the tube, heater-wire fault alarm.
Root cause: Open heated breathing circuit or a heater-wire adapter fault.
Temperature probe fault
MediumSymptoms: Implausible temperature, probe-fault alarm, unit will not run.
Root cause: Damaged airway or chamber temperature probe or its connector.
Water chamber / auto-feed fault
MediumSymptoms: Chamber runs dry or overfills, water-out alarm.
Root cause: Float valve or auto-feed fault, or a cracked chamber.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Heater base plate
Class Major service partRel. cost $$$R&R Difficult
Temperature probe set (airway + chamber)
Class Frequent wear itemRel. cost $$R&R Easy
Heater-wire adapter
Class Periodic replacementRel. cost $R&R Fairly easy
Water chamber
Class Frequent wear itemRel. cost $R&R Easy
Auto-feed / float valve assembly
Class Periodic replacementRel. cost $$R&R Moderate
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Heater base plate | Major service part | $$$ | Difficult |
| Temperature probe set (airway + chamber) | Frequent wear item | $$ | Easy |
| Heater-wire adapter | Periodic replacement | $ | Fairly easy |
| Water chamber | Frequent wear item | $ | Easy |
| Auto-feed / float valve assembly | Periodic replacement | $$ | Moderate |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Not reaching target humidity / temperature
- Confirm the chamber is fully seated and latched on the heater plate and has water.
- Check the airway and chamber temperature probes and connectors; swap in a known-good set.
- Confirm the heated breathing circuit is intact and the adapter is connected.
- Check the heater-wire circuit continuity.
- If it still will not heat, replace the heater base plate.
Symptom: Probe / heater-wire alarm
- Note the exact alarm.
- Try a known-good probe set.
- Inspect the heated circuit and adapter.
- Power-cycle the humidifier.
- Refer for service if the alarm persists.
Documents & Manuals
No documents available for this device yet.
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