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ENG
DT_0006 Issue 15
A Global Leader in Respiratory Solutions
6. Fault Finding Guide
Problem Fault
Symptoms:
• Accuracy check variations > +/-3%
• False readings suspected.
Possible Solutions:
(In probable order)
• Recheck Calibration with reference to section
Checking Accuracy.
• Was the correct syringe volume selected?
• An accuracy check is required after cleaning/
disinfecting the owhead Fleisch element
assembly.
• Flowhead cone Fleisch element lter mesh missing
or blocked.
• Flowhead body pressure port holes blocked.
• Flowhead Fleisch element assembly sealing ‘O’
rings damaged.
• Flowhead Fleisch element assembly not dried
thoroughly.
• Flowhead Fleisch element assembly blocked.
• Flowhead body tubing from pressure ports to main
PCB blocked – contact support.
• Main PCB failure – contact support.
Problem Fault
Symptoms:
• Test begins automatically.
• Volume accumulates automatically without the
subject blowing.
• Very small VC or FVC test displayed.
Possible Solutions:
(In probable order)
• Flowhead and/or tubing not stationary at the start
of test. Hold them steady until the ‘Ready to Blow’
prompt appears.
• Return to Main Menu and re-enter the test routine.
Problem Fault
Symptoms:
• Rocking device.
Possible Solutions:
(In probable order)
• Check for damaged or missing rubber feet.
• If any of the rubber feet are damaged or missing
replace all six rubber feet.
Problem Fault
Symptoms:
• Reversed or no volume measurements.