4-42
5. Connect the gas cylinder, gas bag and sampling line using a T-shape connector as shown
below.
6. Vent the sampling line to a certain standard gas opening the cylinder pressure relief
valve. Set the calibration value to the O2 concentration of the standard gas.
7. Select
[
Calibrate
] to start a calibration.
8. After a successful calibration, the screen shows [
Calibration Completed!
]. Otherwise,
the message [
Calibration Failure! Please try again.
] is displayed. In this case, you
need to do the calibration again
.
4.3.10.3 Commonly-encountered Problems and Recommended Actions
Failure description
Possible cause
Recommended action
Calibration menu is
inaccessible.
The AG module is not fully warmed up
or not in measure mode.
Wait for the AG module to be
fully warmed up and then
access the calibration menu.
Calibration is not
completed.
1. The module is damaged.
2. The difference between the set O2
calibration concentration and the
selected standard O2 concentration is
too great.
1. Return the module to factory
for repair.
2. The difference between the
standard gas concentration and
the set calibration concentration
can not exceed 25% of the
standard gas concentration.
AG module
Gas bag
Gas cylinder
Pressure relief
valve
Sampling line
Summary of Contents for WATO EX-55
Page 1: ...WATO EX 55 65 Anesthesia Machine Service Manual ...
Page 2: ......
Page 4: ...II FOR YOUR NOTES ...
Page 6: ...IV FOR YOUR NOTES ...
Page 12: ...6 FOR YOUR NOTES ...
Page 58: ...3 22 FOR YOUR NOTES ...
Page 242: ...6 54 6 4 1 Electrical Connections Electrical Circuit Diagram ...
Page 260: ...6 72 FOR YOUR NOTES ...
Page 261: ...7 1 7 Parts 7 1 Main Unit 7 1 1 Main Unit 7 1 1 1 Exploded View ...
Page 321: ......
Page 322: ...P N 0621 20 78654 1 1 ...