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Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual MCAC-HTSM-201506
53
E3:
Error of water outlet temperature sensor (T1).
E4:
Error of water temperature sensor in the water tank (only host unit displays) (T5).
E5:
Error of air heat-exchanger temperature sensor (T3).
E6:
Error of outdoor ambient temperature sensor (T4)
E7:
Error of E-heater pipe temperature sensor (T6, reserved).
E9:
Error of suction temperature sensor (Th).
Ed:
Error of water inlet temperature sensor (T7).
EA:
Error of discharge temperature sensor (Tp).
EE:
Error of EEprom