Motor Controller Board Replacement - CAIRE FreeStyle Manual

The Hour Meter Kit software allows you to read the total number of hours for the unit as well as the
ability to access a resettable hour counter for service purposes. This can be used to keep records as to
when a component, such as the compressor, was last replaced. The software also allows you to easily
reset the second hour meter by selecting the "Clear" button.
The FreeStyle 5 does not have an "hour meter" like the FreeStyle, but the unit itself will display the
number of hours that it has been in operation on the flow display LEDs. The procedure to enter "Time
Reading Mode" is listed below:
1. Turn the FreeStyle 5 on and wait until the startup tone is complete.
2. Press and hold the 1 and 3 buttons for three seconds to enter the Time Reading Mode. Once in this
mode, all 5 LEDs will light up and the unit will beep.
3. After the unit has entered this mode, the hours will be displayed in the following manner:
1. Flow Setting LED 1 will display the digit in the ones place.
2. Flow Setting LED 2 will display the digit in the tens place.
3. Flow Setting LED 3 will display the digit in the hundreds place.
4. Flow Setting LED 4 will display the digit in the thousands place.
MOTOR CONTROLLER BOARD REPLACEMENT
When replacing the motor controller circuit board, always use an
ESD safe-work area. Also, use an ESD wrist strap to protect
electronic circuitry.
1. Remove the front cover housing per the HOUSING REMOVAL section of this manual.
2. Ensure that all power sources are disconnected.
3. Lift the motor controller board from the circuit board, being careful not to break the
connector pins while gently rocking it back and forth to loosen and disconnect.
Portable Oxygen Concentrator
MN220-1 B 75