Troubleshooting; Indoor Unit Error Display - Vivax ACP-09CH25AERO Service Manual

8. Troubleshooting

8.1 Indoor unit error display

For 9k, 11k, 18k
Display Operation lamp flash times
E1
E2
E3
E5
E6
EC
For 24k
Display Operation lamp flash times
E1
E2
E3
E4
E5
E6
EC
E9
Timer lamp
1
2
3
5
6
2
Timer lamp
1
2
3
4
5
6
2
9
O light
X EEPROM error
X Zero crossing signal detection error
X Indoor fan speed has been out of control
Indoor room temperature sensor T1 open circuit
X
or short circuit
Evaporator coil temperature sensor T2 open
X
circuit or short circuit
O Refrigerant leak detection error
X EEPROM error
X Zero crossing signal detection error
X Indoor fan speed has been out of control.
X Default
Indoor room temperature sensor T1 open circuit
X
or short circuit
Evaporator coil temperature sensor T2 open
X
circuit or short circuit
O Refrigerant leak detection error
X Indoor unit and outdoor unit communication error
X off flash
30
Failure
Failure