Indoor Unit Malfunction And Protection Codes - Midea MTA1-76HR Technical Manual

Midea R22 T1 side-discharge duct manual

4.4 Indoor unit malfunction and protection codes


Names of indicators in receiving kit
Display content
All lamps
flashing at 5Hz
Timer lamp
flashing at 5Hz
Operation lamp
flashing at 5Hz
Defrosting lamp
flashing at 5Hz
Alarm lamp
flashing at 5Hz
Operation lamp
and timer lamp
flashing at 5Hz
All lamps flashing at 5Hz
34
Fault or protection meaning
Lack of neutral line.
T1, room temperature sensor, fault of open circuit, short circuit.
T2, pipe temperature sensor, fault of open circuit, short circuit.
Condenser temperature sensor malfunction. (Without this
function)
Water-level checking malfunction. (Reserved)
EEprom malfunction
MCAC-RTSM-201301-01