NDD EasyOne Operator's Manual - page 30
EasyGuide
Page 29
15 Troubleshooting Tips
Should you encounter problems operating your spirometer, please consult the table below.
Problem
Possible cause
Solution
EasyOne cannot be switched
on
Batteries are dead
Insert new batteries.
Batteries are inserted wrong
Insert the batteries correctly (see
Chapter 4.1.)
Did not press and hold the ON/OFF
key for at least 2 seconds
Press and hold the ON/OFF key for at
least 2 seconds.
When the EasyOne is switch-
ed on, you hear three consecu-
tive tones as a warning signal
The spirometer is defective
Consult your EasyOne dealer.
When the EasyOne is switch-
ed on, you see the following
message on the display: "Self-
test failed"
The spirometer is possibly defective
Turn off and on the spirometer. Try
again. If you receive the same mes-
sage again, contact your EasyOne
dealer.
Every time you switch the in-
strument on you are prompted
to enter Date etc.
The internal battery of EasyOne is
defective
Consult your EasyOne dealer.
When you start a test, you see
the following message: "Please
insert spirette correctly"
The spirette is not correctly posi-
tioned
Ensure that the triangle on the spiro-
meter is lined up with the triangle on
the spirette .
EasyOne is outside of ±3%
when conducting the calibra-
tion check
The spirette is not correctly posi-
tioned
Insert the spirette as described in
Chapter 4.1.
You have not used an ndd adapter
Use the ndd calibration adapter.
There are leaks in the syringe connec-
tion
Check the connections.
The specified syringe volume does not
correspond to the actual syringe vo-
lume
Choose the correct syringe volume
under Configuration .
The curve is missing on the
printout
The ink cartridge of your printer is
empty
Replace the cartridge.
In the configuration of your
EasyOne a black and white printer
is selected, but you actually use a
color printer
Go to Configuration , then Report
Settings and select the right printer.
When printing a report the prin-
ter prints meaningless charac-
ters or the printer does not re-
spond.
A wrong printer type has been se-
lected in the settings
Set the correct printer. Read Chapter
8.2.
The printer cable is not correctly con-
nected or is defective
Switch off the spirometer and printer.
Check all plug connections.
The printer is not switched on or is not
ready
Ensure that the printer is switched on
and also has paper. Switch the printer
off and back on again.
EasyOne is not correctly positioned
on the base unit
Insert EasyOne correctly into the
base unit.
When switching on the instru-
ment, the message device self
test error #20 appears on the
screen
A spirette was inserted while turn-
ing on the instrument OR was not in-
serted correctly
Try again with the spirette inserted
correctly. If you receive the same
message again, contact your
EasyOne dealer.