Ecoer EAHAEC-60 - 8.2 General Troubleshooting; 8.2.1 Error Display (Indoor Unit)

78/157
SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
8.2.1 Error Display (Indoor Unit)
When the indoor unit encounters a recognized error, the operation lamp will flash in a corresponding series, the
timer lamp may turn on or begin flashing, and an error code will be displayed. These error codes are described in
the following table:
Display
Error Information
Page
EH 00
Indoor unit EEPROM parameter error
95
E L 01
Indoor / outdoor unit communication error
96
E L 16
Communication malfunction between adapter board and outdoor main board
123
E H 03
The indoor fan speed is operating outside of the normal range
99
E H 60
Indoor room temperature sensor T1 is in open circuit or has short circuited
101
E H 61
Evaporator coil temperature sensor T2 is in open circuit or has short circuited
101
E H 62
Evaporator coil temperature sensor T2B is in open circuit or has short circuited
101
EH65
Evaporator coil temperature sensor T2A is in open circuit or has short circuited
101
E L 0C
Refrigerant Leakage Detection
102
EH0b
Communication error between indoor two chips
122
E H 0E
Water-level alarm malfunction
103
EC53
Outdoor room temperature sensor T4 is in open circuit or has short circuited
101
EC52
Condenser coil temperature sensor T3 is in open circuit or has short circuited
101
EC54
Compressor discharge temperature sensor TP is in open circuit or has short circuited
101
EC51
Outdoor unit EEPROM parameter error
98
EC07
The outdoor fan speed is operating outside of the normal range
99
PC00
IPM malfunction or IGBT over-strong current protection
104
PC01
Over voltage or over low voltage protection
105
PC02
Top temperature protection of compressor or High temperature protection of IPM module
108
PC04
Inverter compressor drive error
106
8.2 General Troubleshooting