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Number
Cause
Operation
indicator
Timer
indicator
Error
Code
PRE-DEF
indicator
Alarm
indicator
1
In-outdoor unit communication
checking channel is abnormal
Quick-flash
E1
Quick-flash
2
Room temperature sensor checking
channel is abnormal
Quick-flash
E2
3
Evaporator sensor malfunction
Quick-flash
E3
4
Condensor sensor malfunction
E4
Quick-flash
5
Water pump temperature sensor
E5
Quick-flash
6
Outdoor malfunction
Quick-flash
Quick-flash
E6
7
EEPROM malfunction
Quick-flash
Quick-flash
E7
8
Water level alarm malfunction
E8
Quick-flash
9
DC motor speed out of control
Quick-flash
Eb
Quick-flash
10
Outdoor unit low pressure malfunction
Quick-flash
Quick-flash
Ed
Quick-flash
11
Auto-lifting panel communication
error
Quick-flash
F0
Quick-flash
Quick-flash
12
Auto-lifting panel malfunction
Quick-flash
F1
Quick-flash
Quick-flash
13
Auto-lifting panel is open
On
F2
Quick-flash
Quick-flash
14
Refrigerant leak detection system
malfunction
Quick-flash
EC
Quick-flash
• Fixed-speed Type