Hydraulic Indoor Unit Malfunction Code And Troubleshooting - Midea LRSJF-V120 Technical Manual

MCAC-RTSM-2012-07
4.2

Hydraulic indoor unit malfunction Code and troubleshooting

Display Malfunction or Protection
E0 Flow switch error( continuous for 3 times, and should be reset by switch off the power supply )
E1 T2 error
E2 UI communication error
E3 Outdoor unit communication error
E4 T2B error
E5 T5 error
E6 T1 error
E7 T1B error
E8 Flow switch( one time)
E9 TW_in error
EA TW_out error
Eb T4 error
Ed Phase protection
EE EEPROM error
P0 T2 high temperature protection
P1 T2B low temperature protection
P2 TW_out high temperature protection
P3 TW_out low temperature protection
P4 TW_in high temperature protection
P5 T1 high temperature protection
P6 T1B high temperature protection
P7 Outdoor unit protection
P8 Sanitary hot water tank electric heater protection
P9 Auxiliary heater protection
Pb Anti -freezing protection
Pc Temperature controller error(result from the conflict between cool mode and heat mode)
t0~t7 Run test
dF Defrost
d0 Oil return function
M-thermal Technical Manual (part 4)