ndd EasyOne Spirometer CS
ndd · Model EasyOne Spirometer CS
Provides comparisons to predicted values, pre and post bronchodilator assessments, and test quality controls that automatically assess patient effort. Compact and battery powered.
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.
Flow / volume accuracy check fails
HighSymptoms: 3-L syringe calibration-verification outside tolerance, questionable FEV1/FVC.
Root cause: Debris or condensation in the ultrasonic flow path, a damaged spirette, or transducer aging.
Will not power on / short battery life
MediumSymptoms: Dead unit or frequent low-battery.
Root cause: Depleted batteries or a battery-contact fault.
ScreenConnector / PC communication fault
MediumSymptoms: EasyWare will not connect, no data transfer or programming.
Root cause: USB/serial cable, driver, or the ScreenConnector.
Programming interrupted / firmware fault
LowSymptoms: Update or configuration fails partway.
Root cause: Interrupted programming session.
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.
Spirette single-use flow tube
Single-patient consumable; the ultrasonic sensor has no moving parts.
Class ConsumableRel. cost $R&R Easy
Batteries
Class Frequent wear itemRel. cost $R&R Easy
ScreenConnector / communication cable
Class Periodic replacementRel. cost $R&R Easy
3-L calibration syringe
Class Major service partRel. cost $$R&R Easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Spirette single-use flow tube Single-patient consumable; the ultrasonic sensor has no moving parts. | Consumable | $ | Easy |
| Batteries | Frequent wear item | $ | Easy |
| ScreenConnector / communication cable | Periodic replacement | $ | Easy |
| 3-L calibration syringe | Major service part | $$ | Easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
Error Codes
Extracted directly from this unit's own service manual.
1internal software error (wrong argument)
2internal software error (unsupported)
3internal software error (timeout)
4internal software error (data inconsistent)
5internal software error (write error)
6internal software error (read error)
7internal software error (not found error)
13internal software error (WD timeout)
14the ultrasonic receive amplitude is too low (check spirette insertion)
15the ultrasonic receive amplitude is too high (check spirette insertion)
16Bootloader software inconsistent (CRC failure)
17User software inconsistent (CRC failure). Update EasyOne-CS device software.
18Calibration data inconsistent.
19Failure of flash memory.
20Flow sensor transit time range check error. Possible reasons: a) Blocked sound path, e.g. caused by wrongly inserted spirette, b) almost empty batteries.
21ndd ASIC serial transmission error (STX expected)
22ndd ASIC serial transmission error (sequence error)
23ndd ASIC serial transmission error (unknown character)
24Real time clock RAM error
25Configuration data inconsistent (lithium battery failure possible)
49internal software error (overrun error)
50internal software error (timeout error)
51internal software error (storage error)
52internal software error (record structure error)
53internal software error (address error)
54Serial data flash or serial communication data inconsistent (CRC failure)
55internal software error. Writing to the internal Flash failed (flash command sequence error)
56internal software error. Erasing the internal Flash failed (flash block erase error)
57internal software error. Writing to the internal Flash failed (flash program error)
65internal software error. Writing to the internal Flash failed (flash block program error)
66internal software error. Accessing the internal Flash failed (flash busy)
67First record of database reached. Go beyond this record failed (FIRST_RECORD)
68Last record of database reached. Go beyond this record failed (LAST_RECORD)
69No valid record in the database found (NO_VALID_RECORD)
70internal software error (UNKNOWN_ERROR)
144Sensor serial communication error
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: Calibration verification fails
- Fit a fresh spirette and dry any condensation from the flow path.
- Repeat the 3-L syringe check with smooth strokes at varied speeds.
- Confirm the environmental / BTPS settings.
- If it still fails, the ultrasonic transducer needs service.
- Re-verify after any correction.
Symptom: EasyWare will not connect
- Do not connect the ScreenConnector until the software is installed (needs Administrator rights).
- Reinstall EasyWare (run SmartInstallation.exe from the CD root if autorun fails).
- Confirm the cable and port.
- Try another USB port / cable.
- Re-test communication.
Technical Specs
- Height
- 3.3 in
- Length
- 6.2 in
- Weight
- 9 oz
- Width
- 1.7 in
Documents & Manuals
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