8. Troubleshooting
8.1 Indoor Unit Error Display
Operation lamp Timer lamp
Display
LED STATUS
☆
1 time
X
E1
EEPROM parameter error
☆
2 times
X
E2
Zero-crossing signal detection error
☆
3 times
X
E3
Indoor fan speed has been out of control
☆
5 times
X E5
Indoor room temperature sensor T1 open circuit or
short circuit
☆
6 times
X E6
Evaporator coil temperature sensor T2 open circuit or
short circuit
☆
7 times
X E7
Condenser coil temperature sensor T3 or T4 open
circuit or short circuit(only for MSABE-24ARN1-QB8W,
MSABE-24HRN1-QB8W ,
MSABF-36HRN1-RC0W)
☆
2 times
O
EC
Refrigerant Leakage Detection
☆
8 times
X E8
Lake of phase or Phase sequence error (only for
MSABF-36HRN1-RC0W)
☆
9 times
X E9
Indoor / outdoor units communication error(only for
MSABE-24ARN1-QB8W, MSABE-24HRN1-QB8W ,
MSABF-36HRN1-RC0W)
O
（
light
）
X
（
off
）
☆（
flash
）
