Midea MTB1T-96CWN1 Technical & Service Manual page 90

Midea R410A T3 50Hz Top-discharge Series
consumed even if the air conditioner does not run. Turning off the main power switch
can save energy.
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Remove the batteries out of the remote controller.
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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
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Check the following issues:
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Startup
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89
Check whether the air inlet or outlet of the indoor unit and outdoor unit is blocked.
Remove foreign substance if any.
Check whether the ground wire is connected properly.
Check whether the condensate water is discharged normally. (Cooling operation
season)
Check whether the insulation work of refrigerant circuit and ventilating duct is on
sound status.
Check whether the installing seat is corroded or rusted.
Connect the indoor unit 12 hours after connect the outdoor unit to power supply.
Switch on the power control of remote controller or wired controller, and then
startup the air conditioning.
MCAC-UTSM-201707