JOINCHAMP ZC-S400
JOINCHAMP · Model ZC-S400
Equipped with 9 memory positions, the dental unit can be set by three dentists A, B and C. Every dentist can set three commonly-used chair positions Spitting position: During the treatment, when the patient needs to spit saliva or dirt, just press the "spitting" button, the dental chair will switch from the treatment position to the spit position, which is very convenient. The light will automatically turn off (if it is on) and the flushing water will turn on automatically; after spitting, press the "spitting" button again, the dental chair will return to the treatment position. At this time, the light will turn on and the flushing water will stop automatically. Chair interlock system: During treatment, when the dentist uses a handpiece or a scaler, all movements of the dental chair are locked to prevent accidental injury due to the malfunction of the dental chair. Pads on the tray can be removed and disinfected, convenient and hygienic. Top-mounted doctor table with hided air lock valve can be adjusted to the height as you need. Precise design of the rod can be easily pulled out and put back without any traction force, more flexible to operate at large angles, avoiding the dropping of handpieces and giving the best operational experience to dentist. Handpiece pad can be removed and disinfected, easy for cleaning. It¼s convenient to remove the stainless steel tray for disinfection and cleaning
Key tips
- ·Biological-indicator verification applies to dental sterilizers exactly the same as hospital CSSD - no exception for smaller units.
- ·"Sounds different" is often the first real report of handpiece bearing wear, not an outright failure - investigate early rather than waiting.
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.
Handpiece turbine / bearing wear
HighSymptoms: Low RPM, chatter, poor cutting performance.
Root cause: Bearing/turbine wear from autoclave cycles.
Motor speed-control fault
MediumSymptoms: Erratic or unresponsive RPM, motor stalls under load.
Root cause: Control board or motor winding fault.
Handpiece cable / connector wear
MediumSymptoms: Intermittent power, cuts out mid-use.
Root cause: Cable flex fatigue at the motor connector.
Foot control failure
LowSymptoms: No/erratic activation.
Root cause: Fluid ingress / worn switch.
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.
Handpiece turbine / cartridge
Most-replaced; track autoclave cycles.
Class Frequent wear itemRel. cost $$$R&R Moderate
Motor control cable
Class Periodic replacementRel. cost $$R&R Fairly easy
Foot pedal
Class Periodic replacementRel. cost $$R&R Fairly easy
Speed control board
Class Major service partRel. cost $$$R&R Difficult
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Handpiece turbine / cartridge Most-replaced; track autoclave cycles. | Frequent wear item | $$$ | Moderate |
| Motor control cable | Periodic replacement | $$ | Fairly easy |
| Foot pedal | Periodic replacement | $$ | Fairly easy |
| Speed control board | Major service part | $$$ | Difficult |
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.
- ·Daily handpiece lubrication and autoclave cycle verification
- ·Compressor moisture-trap draining
- ·Annual full PM
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Handpiece turbine / bearing wear
- Confirm the presentation - typically low RPM, chatter, poor cutting performance - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: bearing/turbine wear from autoclave cycles.
- 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 handpiece turbine / cartridge 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: Motor speed-control fault
- Confirm the presentation - typically erratic or unresponsive RPM, motor stalls under load - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: control board or motor winding fault.
- 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 motor control cable 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.
- Dental operatory
- Oral surgery suite
- CSSD (dental sterilizers)
Documents & Manuals
No documents available for this device yet.
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