Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 456

[9-2 Operation Data Collection and Storage Functions (Outdoor unit) ]
<Ending the data storage mode>
When done storing data, disconnect the portable battery charger from the control board.
Then disconnect the USB memory stick from the control board.
Turn the main power to the outdoor unit (OC) back on.
If the data collection process needs to be started, check the operation data collection status by following the procedures ex-
plained in [9-2-3 Collecting Operation Data] and making the necessary settings.
[Method 2] Storing data on a USB memory stick with the main power to the outdoor unit (OC) turned on
<Starting up the unit in the data storage mode>
Stop the operation of all indoor units.
*Although operation data can be collected without stopping all indoor units, doing so may be detected as a communication
error.
Connect a USB memory stick to the USB port (CNUSB) on the control board of the outdoor unit (OC).
Press and hold SWP3 (ENTER) for approximately 10 seconds until [USB] appears on the monitoring LED 301.
When [USB] has appeared on the LED, lift the finger off SWP3 (ENTER).
The unit is now in the data storage mode.
<Storing data>
Press SWP3 (ENTER). If the data storage process has properly started, the progress (0-99) will be shown on the monitoring
LED 301.
[End] on the LED indicates successful completion of the data storage process.
*It takes approximately five minutes for the data storage process to be completed.
<Ending the data storage mode>
When done storing data, disconnect the USB memory stick from the control board.
Press and hold SWP3 (ENTER) for approximately 10 seconds until [End] disappears from the monitoring LED 301.
Restart the indoor and outdoor units (OC) that were stopped to perform data storage.
If the data collection process needs to be started, check the operation data collection status by following the procedures ex-
plained in [9-2-3 Collecting Operation Data] and making the necessary settings.
(3) Confirmation of stored file
Confirm that the operation data is stored in the USB memory stick. Insert the USB memory stick into a computer, and check
the contents in the memory stick.
Check that there is the following file in the memory stick.
File: MNTXXX.MT
"XXX" represents serial numbers from "000" to "100."
BS_09_F
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