Invacare Perfecto2IRC5PO2AW Service Manual page 73

10. Turn the unit off and then back on. The timing value is stored in memory for future
use.
11. If the unit is turned off before an autotune cycle is completed, the P.E. valve timing will
not be stored or updated. If the board is new, autotuning MUST be successfully
completed before the unit can be placed into service.
12. After a successful autotune, run the unit for 30 minutes and verify that the oxygen
concentration output of the unit is within specification.
13. If the oxygen output concentration is not within specification, rerun the autotune
again.
14. Reinstall the cover screws.
NOTE: PC board is exploded
away from control panel for
clarity. There is no need to
remove P.C. Board from
control panel.
FIGURE 22.1 Autotuning (Model IRC5PO2AW Only)
Part No 1154245
P.C. Board
73
SECTION 22—TIMING
Autotune Push Button Switch
Perfecto ™
2