PLEASE SELECT THE ERROR CODE BELOW
Instructions
Tap the error code below to begin the troubleshooting process.
If you are not able to resolve your issue or if you find an error in this troubleshooting process, please click here to contact us.
E0 - Indoor Unit EEPROM Parameter Error
-
Shut off the power supply then turn it back on after 5 seconds. Is it still displaying the error?
E1 - Indoor / outdoor units communication error
-
Remove the power wire then restart after 5 seconds. Is the unit still displaying the error?
- Yes
Is the Vs alternating with positive values?
- Yes
Check all of the wiring with the outdoor units. Is the wiring to the reactor connected correctly and firmly?
- No
Check all of the wiring with indoor units. Is the wiring to the indoor main PC Board connected correctly?
- Yes
- No
Is the unit working?
- Yes
E3 - Indoor fan speed has been out of control
-
Shut of the power supply. Restart it after 5 seconds. Is the error code still displayed?
E4 - Indoor room temperature sensor T1 open circuit or short circuit
EC - Refrigerant leakage detection
F1 - Outdoor temperature sensor T4 open circuit or short circuit
[vc_cta_button title=”Request Product” target=”_blank” color=”btn-warning” icon=”none” size=”wpb_regularsize” position=”cta_align_bottom” href=”http://info.innovair.com/acton/form/12604/000b:d-0001/1/index.htm” call_text=”You will need to replace this part”][/vc_accordion_tab] F2 - Condenser coil temperature sensor T3 open circuit or short circuit F3 - Compressor discharge temperature sensor T5 open circuit or short circuit F4 - Outdoor unit EEPROM parameter error
-
Shut off the power supply then turn it back on after 5 seconds. Is it still displaying the error?
P1 - Over voltage or over low voltage protection
-
Are all of the wire's connected normally?
- Yes
Power on and when the unit is in standby, check if the voltage between P and N is around DC 310V or 340V or 380V? For different kinds of units, the voltage differs. Consult with technical engineer to get definite value. Then start up the unit, measure the voltage between P and N. Is it in 220V~400V?
- No
Correct the connections
- Yes