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Midea R410A Full DC Inverter Split Type Series Technical Manual
P9: DC Fan module protection
Notes: There are three times in 60 minutes, 'H9' will be displayed. Repower-on, the protection will be
canceled. At the same time, the reason of protection should be settled.
10. Maintenance
Operation required before leaving the unit idle for a long period.
Let the air conditioner run in the fan mode for about half a day, and let its interior be
fully dry.
Switch off the power by the button in remote or wired controller, and then cut off the
power supply.
When the main power switch is turned on, a certain extent of electric power is
consumed even if the air conditioner does not run. Turning off the main power switch
can save energy.
Remove the batteries out of the remote controller.
After the air conditioner has been in service for several seasons, foreign substance
accumulates inside the unit to an extent dependent on the working conditions.
Therefore, shut down the air conditioner through the ON/OFF button of the controller,
and then cut off the power supply.
Startup after a long period out of service.
Check the following issues:
69
MCAC-UTSM-201406
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