Ohmeda Ohio Care Plus, Инструкция по эксплуатации, обслуживанию и монтажу

Страница: 42 / 68

6/Service
6-14 6-14
1. Turn the humidifier power switch off.
2 Disconnect humidifier power cord.
3. Loosen the two bolts at the bottom of the humidifier controller housing that secure
it to the base platform.
4. Lower the controller housing while tilting the bottom of the housing toward you.
This will allow the Printed Circuit Boards (PCBs) to clear the bottom of the base
platform.
5. To re-assemble, reverse steps 1 through 4. Perform the electrical safety tests found
at the end of this section and the checkout procedures in section 3.
Humidifier Control/Display Board Removal/Installation
1. Remove the three screws that secure the bezel to the controller housing (two on
top and one on the bottom). Remove the bezel. Remove the display chassis by
sliding it up at an angle.
2. Slide the control board up out of the card guides.
3. Disconnect the five connectors on the board.
4. Remove the display board by removing the screw that secures it to the bezel.
5. To re-assemble, reverse steps 1 through 4. Perform the sensor calibration procedure
found at the end of this section .
Humidity Sensor Replacement
1. Remove the top and rear inner walls on double walled units.
2. Lower the outer hood.
3. Remove the two Phillips head screws and shims that attach the humidity sensor
mounting blocks to the outer hood. Remove the humidity sensor cable from the
cable clip on the back of the incubator.
Note: The shims hold the temperature compartment probe in place. The humidity
sensor is permanently attached to the front mounting block.
4. Unscrew the filter mounting knobs. Remove the filter cover and filter.
5. Remove the humidifier controller (See page 6-12).
6. Disconnect the humidity sensor cable from the connector (J-3) on the humidifier
controller board.
s
s
s