Covidien WarmTouch, Service Manual

Page: 94 / 314

Performance Verification
7-10 Service Manual
7.5.5
Flow Test
Use the flow test to confirm fan functionality.
To perform the flow test:
1.
Position the hose on the nozzle hook with the hose compressed as much as pos-
sible (
Figure 7-5 ).
Figure 7-5. Position of Hose for Flow Test
2.
Perform steps 1 and 2 of the power-on test ( page 7-3 ).
3.
Press the 34°C key. The fan should ramp up to operating speed and air should
flow from the nozzle. Confirm that no alarms occur.
4.
When finished with all testing:
a.
Press the On/Standby key to power off the unit.
b.
Unplug the unit from the outlet.
Flow Test Failure
If the test fails, see Basic Troubleshooting on page 6-9.