PLEASE SELECT THE ERROR CODE BELOW

Instructions

This guide is for the following model numbers: WOE10C2DB1, HOE10C2MR83, WOE13C2DB1, HOE13C2MR83, WOE18C2DB1, HOE18C2MR83, WOE24C2DB1, HOE24C2MR83, WOE36C2DB1, HOE36M2MR1, WOE36C2DB2, HOE36C2MR2, EV10C2DB6, H10C2MR63, EV13C2DB6, H13C2MR63, EV18C2DB6, H18C2MR63, EV24C2DB6M H24C2MR63, EV36C2DB1, H36C2MR1

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.

E1 - EEPROM error

  • Shut off the power supply and turn it on 5 seconds later. Is it still displaying the error code?
    • Yes
      In the indoor unit, an EEPROM chip is connected on the Main PC Board. Is the EEPROM chip securely on the Main PC Board?
      • Yes

        Replace the indoor main PC Board. - if you need further assistance please contact Innovair Customer Support - info@innovair.com

      • No

        Correct the connection. - if you need further assistance please contact Innovair Customer Support - info@innovair.com

    • No

      Thank you - if you need further assistance please contact Innovair Customer Support - info@innovair.com

E2 - Zero crossing signal detection error

  • Check if the connections and power supply is normal.
    • Yes

      Indoor main PC Board is damaged. Replace the indoor main PC Board. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

    • No

      Correct the connections. Turn on the unit when the power supply is stable. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

E3 - Indoor fan speed has been out of control

  • Shut the power off. Then turn the unit on 2 minutes later. Does the error still appear?
    • Yes
      Shut off the power supply and rotate the fan by hand. Is the fan rotating normally?
      • Yes
        Check the wires of fan motor. Are all the connections good?
        • Yes
          Turn the unit on to standby mode. Measure the voltage for the fan motor from the main indoor PC Board. For 220V Pin1 to Pin3 = 200V~380V Pin 4 to Pin 3 = 14V~17.5V For 110V Pin1 to Pin3 = 140V~190V Pin 4 to Pin 3 = 14V~17.5V Are the measures within range?
          • Yes
            Replace the fan motor. No Has the issue been resolved?
            • Yes

              Thank you

            • No

              Replace the indoor PC Board - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

          • No
            Turn the power on and set the unit as running in high speed mode. 15 seconds later, measure the pin voltage from Pin1 to Pin2 in fan motor connector. Is the value of the voltage is less than: 100V for 208~230 power supply 50V for 115V power supply
            • Yes

              Replace the indoor PC Board - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

            • No

              If further assistance is needed please contact Innovair Customer Support - info@innovair.com

        • No

          Correct the connections. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

      • No

        Find out the cause and have it solved - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

    • No

      The unit operates normally - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

E5 - Indoor room temperature sensor T1 open circuit or short circuit

  • Check the connections between temperature sensor and main PC Board. Are the connections secure?
    • Yes
      Measure the resistance value of the sensors. Is the resistance value correct?
      • Yes

        Replace indoor main PC Board. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

      • No

        Replace the sensor and check if the problem happens again - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

    • No

      Correct the connections. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

E6 - Evaporator coil temperature sensor T2 open circuit or short circuit

  • Check the connections between temperature sensor and main PC Board. Are the connections secure?
    • Yes
      Measure the resistance value of the sensors. Is the resistance value correct?
      • Yes

        Replace indoor main PC Board. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

      • No

        Replace the sensor and check if the problem happens again - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

    • No

      Correct the connections. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

EC - Refrigerant leak detection error

  • Shut the power off. Then turn the unit on 2 minutes later. Does the error still appear?
    • Yes
      After 20 minutes, is cold air blowing out of the indoor unit?
      • Yes
        Check if the evaporator sensor is connected well and the resistance value is normal. Is the evaporator sensor normal?
        • Yes

          Replace indoor PCB. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

        • No

          If further assistance is needed please contact Innovair Customer Support - info@innovair.com

      • No
        Is there a leakage in the system?
        • Yes

          Repair the leakage and recharge the refrigerant. - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

        • No
          Check blocking of system and clear the blocking. Is the issue resolved?
          • Yes

            Thank You

          • No

            Replace the high pressure valve - if further assistance is needed please contact Innovair Customer Support - info@innovair.com

    • No

      Thank You