E0
Power supply phase error
FAULT CODE DESCRIPTION
FAULT CODE
F0
E2
E3
DISPLAYED
NO.
1
2
3
4
5
6
7
8
9
Communication error between wired control
Sensor T1 fault
Sensor T2A fault
If the system does not operate correctly, the following faults may be evident.
Investigate the system fault in accordance to the following fault codes.
Communication error between indoor unit and
outdoor unit
and indoor unit
E1
E7
EEPROM (electronic control) malfunction
E4
E5
Sensor T2B fault
Sensors T3/T4 fault, or compressor discharge
sensor fault
E6
12. FAULT CODE DEFINITION
EA
Compressor current protection (four times)
E8
E9
EC
ED
NO.
10
11
12
13
14
15
16
17
18
Communication error between the main and
sub board (display)
Fan speed error
Fresh Air malfunction
Outdoor unit protection fault
IPM malfunction
EB
EE
EF
Water-level alarm and/or other malfunction
Other malfunction
CP
Master control lockout
27
System anti-freeze protection
12. FAULT CODE DEFINITION
FAULT CODE DESCRIPTION
FAULT CODE
DISPLAYED
28