Error Codes And Description Indoor Display; Indoor Unit Display - Haier HSU09VHG(DB)-W Service Manual

Indoor Unit Display

Error codes will be display on the indoor unit in place of the set temperature.
Indoor & Outdoor
Indoor Malfunction
Outdoor Malfunction
PAGE 46

Error Codes and Description Indoor Display

Code Indication
Outdoor
Indoor (LED1 flash
times)
E7 15 Communication fault between indoor and outdoor units
E1 / Room temperature sensor failure
E2 / Heat-exchange sensor failure
E4 / Indoor EEPROM error
E14 / Indoor fan motor malfunction
F12 1 Outdoor EEPROM error
F1 2 The protection of IPM
F22 3 Overcurrent protection of AC electricity for the outdoor model
F3 4 Communication fault between the IPM and outdoor PCB
F19 6 Power voltage is too high or low
F27 7 Compressor has a locked rotor or stopped momentary
F4 8 Overheat protection for exhaust temperature
F8 9 Outdoor DC fan motor fault
F21 10 Frost-removing temperature sensor failure
F7 11 Suction temperature sensor failure
F6 12 Ambient temperature sensor failure
F25 13 Exhaust temperature sensor failure
F11 18 Deviate from the normal for the compressor
F28 19 Loop of the station detect error
F2 24 Overcurrent of the compressor
F23 25 Overcurrent protection for single-phase of the compressor
F36 39 Middle part of condenser temperature sensor failure
ERROR CODES & PROBLEM SOLVING
Description