55
Tcp (pre-cooled fresh air temperature sensor) short-circuits or cuts off
E61
Tph (pre-heated fresh air temperature sensor) short-circuits or cuts off
E62
TA (outlet air temperature sensor) short-circuits or cuts off
E81
Outlet air humidity sensor fault
EA1
Return air humidity sensor fault
EA2
Upper wet bulb sensor fault
EA3
Lower wet bulb sensor fault
EA4
R32 refrigerant leakage sensor fault
EC1
T2A (heat exchanger inlet temperature sensor) short-circuits or cuts off
F01
T2 (heat exchanger middle temperature sensor) short-circuits or cuts off
F11
T2 (heat exchanger middle temperature sensor) overtemperature protection
F12
T2B (heat exchanger outlet temperature sensor) short-circuits or cuts off
F21
Main control board EEPROM fault
P71
Indoor unit display control board EEPROM fault
P72
Locked (electronic lock)
U01
Unit model code not set
U11
Capacity(HP) code not set
U12
Capacity(HP) code setting error
U14
AHU Kit fan control input signal DIP setting error
U15
Address code not detected
U38
Motor failed more than once
J01
IPM (fan module) overcurrent protection
J1E
Instantaneous overcurrent protection for phase current
J11
Error
Error code Digital display
Low bus voltage fault
J3E
High bus voltage fault
J31
Phase current sample bias error
J43
Motor and indoor unit are unmatched
J45
IPM and indoor unit are unmatched
J47