Ecoer EAHAEC-36 - 8.2.3 Error Display (Outdoor Unit)

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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
Display
Malfunction or Protection
Page
EC51
Outdoor EEPROM malfunction
95
EL01
Indoor / outdoor units communication error
96
EL16
Communication malfunction between adapter board and outdoor main board
123
PC00
IPM module protection
104
PC02
Top temperature protection of compressor or High temperature protection of IPM module
108
PC06
Temperature protection of compressor discharge
121
PC08
Outdoor overcurrent protection
111
PC0A
High temperature protection of condenser
120
PC0F
PFC module protection
113
PC10
Outdoor unit low AC voltage protection
105
PC11
Outdoor unit main control board DC bus high voltage protection
105
PC12
Outdoor unit main control board DC bus high voltage protection /341 MCE error
105
PC30
High pressure protection
118
PC31
Low pressure protection
107
PC40
Communication malfunction between IPM board and outdoor main board
110
PC41
Outdoor compressor current sampling circuit failure
124
PC43
Outdoor compressor lack phase protection
115
PC44
Outdoor unit zero speed protection
111
PC45
Outdoor unit IR chip drive failure
116
PC46
Compressor speed has been out of control
111
PC49
Compressor overcurrent failure
111
EC52
Condenser coil temperature sensor T3 is in open circuit or has short circuited
101
EC53
Outdoor room temperature sensor T4 is in open circuit or has short circuited
101
EC54
Compressor discharge temperature sensor TP is in open circuit or has short circuited
101
EC57
Refrigerant pipe temperature sensor error
101
EC5C
High pressure sensor is in open circuit or has short circuited
101
EC71
Over current failure of outdoor DC fan motor
99
EC72
Lack phase failure of outdoor DC fan motor
114
EC73
Zero-speed failure of outdoor DC fan motor
99
EC07
Outdoor fan speed has been out of control
99
PC0L
Low ambient temperature protection
116
LC06
High temperature protection of IPM module
108
EC55
Outdoor IPM module temperature sensor fault
117
FH90
High temperature protection of evaporator
--
EH91
Low temperature protection of evaporator
--
8.2.3 Error Display (Outdoor Unit)