Midea MTA1-76HR - Indoor Unit Malfunction and Protection Codes

Midea R22 T1 side-discharge duct manual MCAC-RTSM-201301-01
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4.4 Indoor unit malfunction and protection codes
 Names of indicators in receiving kit
Display content
Fault or protection meaning
All lamps
flashing at 5Hz
Lack of neutral line.
Timer lamp
flashing at 5Hz
T1, room temperature sensor, fault of open circuit, short circuit.
Operation lamp
flashing at 5Hz
T2, pipe temperature sensor, fault of open circuit, short circuit.
Defrosting lamp
flashing at 5Hz
Condenser temperature sensor malfunction. (Without this
function)
Alarm lamp
flashing at 5Hz
Water-level checking malfunction. (Reserved)
Operation lamp
and timer lamp
flashing at 5Hz
EEprom malfunction
All lamps flashing at 5Hz