For MSWR1-18CRN1-QB9 and MSWR1-21CRN1-QB6 models:
Error
Failure
E1
EEPROM error
E5
The T1 sensor is open circuit or short circuit
E6
The T2 sensor is open circuit or short circuit
For MSR1-16HRN1-QB8(A), MSR1-18HRN1-QC2, MSR1-07HRN1-QB6(A) models:
Display LED STATUS
E1 EEPROM error
E2 Zero-Crossing Error
E3 Indoor fan speed has been out of control
E4 Over current protection of the compressor occurs 4 times
E5 Open circuit or short circuit of room temperature sensor
E6 Evaporator temperature sensor open circuit or short circuit
For other models:
X
☆
Over current protection occurs 4 times(except
MSR1-09HRN1-QC2,MSR1-12HRN1-QB8,
MSR1-16HRN1-QC2)
O
☆
EEPROM error
☆ ☆
Zero crossing detection error