Error a0 pioner

error a0 pioner

Pioneer Ac Error Codes ; E0, Indoor EEPROM malfunction ; E1, Communication malfunction between indoor and outdoor units ; E2, Zero-crossing signal error ; E3. Installation MUST conform with local building codes or, in the absence of local Failure to carefully read and follow all instructions in this manual can. How to restore from each error is shown below. 5X: ACC-OFF then ON, Disc ejection, Disc reloading. Error codes and connector descriptions. error a0 pioner

The Pioneer mini split error code list will give general information on what problem the unit is having.

Also below are common causes and fixes when a Pioneer mini split has an error.

  • Power Cycle the Unit
  • Power Cycle the Unit
    The first step for an error is to power off the unit and turn the breaker/disconnect off.

    Let the unit sit for 5 minutes with no power, error a0 pioner, then turn the breaker/disconnect back on and the power error a0 pioner on the unit.

    Often when an error occurs, it simply needs to be power cycled to error a0 pioner the error comes back, then more troubleshooting will need to be done.

  • Bad Communication Wire or Connection
  • Bad Communication Wire or Connection
    While a component may have failed on a mini split system, many errors are caused by bad connections.

    This is mainly with the communication lines that run between the inside and outside units.

    The wires will be labeled inside the front panel on the inside unit and next to the power on the outside unit.
    Bad Communication Wire or Connection 2
    Check all the connections on the communication wires and check for any breaks often can solve issues.

    An HVAC technician will use multi meter to check for continuity on each line, making sure there are no opens or shorts.

  • Refrigerant Low
  • Refrigerant Low
    If there is a leak, the refrigerant will become low, and the unit will stop working.

    Often when the refrigerant is low, the inside condenser will start to drip water.

    A common error for a Pioneer mini split with low refrigerant is an EC error code, but other codes can also display, or in some cases, none will display.

    If the system is low on refrigerant, the leak will need to be found, and refrigerant added back into the system.

    A common failure point for leaks is the flanges where the copper line set is bolted together.

    The flanges that come from the manufacturer notoriously cause issues and can leak sometimes.

  • Condensing Fan Motor
  • Condensing Fan Motor
    The condensing fan is the big fan on the outside unit which blows air away from the unit.

    If it fails and stops working, it will cause issues.

    Check around the fan that no debris has blown into the outside unit and has stopped the fan from turning.

    If debris stops the fan from spinning, error a0 pioner, it will cause an issue and need to be cleaned out.

    The motor may also have gone bad or have a wiring issue.

  • Computer Board
  • One of the computer boards may have malfunctioned.

    The connections between the boards can all be pushed in to see if any have become loose.

    The onboard computer chips EEPROM and others can also be pushed in to be sure they are connected well.

    The boards can also go bad and need to be replaced.

    A board can go bad from a power spike or a bad wiring connection.

    For example, if the unit is displaying an E0 error code, the unit is having a problem with the indoor unit EEPROM parameter.

    Once the error is known, try a power reset to see if the error clears.

    When doing a power reset, it is best to pull the disconnect or turn off the breaker and wait a few minutes.

    The communication lines between the units are a common failure and should be checked for any bad connections.

    Other common issues include low refrigerant, condensing fan motor, and computer board problems.

    Have you had an issue with a code on your Pioneer mini split? Let us know your thoughts below.

     




     

    Pioneer AC showing error code? Error codes display on either the indoor or outdoor unit. Certain error codes mean different things. Knowing what each error code means can assist you in troubleshooting and fixing your Pioneer AC unit. Below you will find Pioneer air conditioner error codes for both the indoor and outdoor units for 9000 btu and above. We have included flowcharts for troubleshooting what part needs to be replaced, repaired, error a0 pioner, or cleaned. For any issues not covered on this page, here is a Pioneer AC Troubleshooting PDF.

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    Pioneer Air Conditioner Ductless Wall Mount
    Mini Split Indoor Unit Error Display Codes

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = dF
    What Does The AC Error Code Mean? = In defrosting mode the LED displays dF.
    The outdoor unit is in defrost mode, heat pumps will initiate defrost upon demand. It’s a normal operation code.

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = E0
    What Does The AC Error Code Mean? = Indoor unit EEPROM parameter error

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - E0 or F4 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = E1
    What Does The AC Error Code Mean? = Indoor / outdoor units communication error

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - E1 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = E2
    What Does The AC Error Code Mean? = Zero-crossing signal detection error

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - E2 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = E3
    What Does The AC Error Code Mean? = Indoor fan speed has been out of control

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - E3 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = E4
    Indoor room temperature sensor T1 open circuit or short circuit

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = E5
    Evaporator coil temperature sensor T2 error a0 pioner circuit or short circuit

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - E5 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = EC
    Refrigerant leakage detection

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - EC error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = F1
    Outdoor temperature sensor T4 open circuit or short circuit

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = F2
    Condenser coil temperature sensor T3 open circuit or short circuit

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = F3
    Compressor discharge temperature sensor T5 open circuit or short circuit

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = F4
    Outdoor unit EEPROM parameter error

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = P0
    IPM malfunction or IGBT over-strong current protection

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - P0 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = P1
    Over voltage or Under voltage protection

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System - P1 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = P2
    High temperature protection of compressor top

    Pioneer Air Conditioner <b>Error a0 pioner</b> Ductless Wall Mount Mini Split System - P2 error code troubleshooting

    Pioneer AC Ductless Wall Mount Mini Split Indoor Unit Error Code = P4
    Inverter compressor drive error

    Pioneer Air Conditioner Inverter Ductless Wall Mount Mini Split System -P4 error <i>error a0 pioner</i> troubleshooting

    Pioneer AC Defrost:
    Defrosting of the outdoor heat exchange is controlled by the microprocessor from detection from the indoor pipe temperature sensor.Defrost control type is according to the JC on the PCB whether it is connected. According to the condition, enter the defrosting operation, the first defrosting operation time is 8 minutes; after defrosting operation for one cycle, then regulate the defrosting operation time if needed. After the compressor cumulative operation time exceeds 120 minutes and the temperature of the IPT is less than 95F for 2 minutes… When the defrosting operation time on this condition exceeds 8 minutes, it will terminate. After the compressor operates continuously for 20 minutes and the IPT is less than 73F or from the last time of defrosting operation is 50 minutes or more interval. When the defrosting operation time on this condition exceeds 10 minutes, it will terminate. When the JC isn’t connected on the PCB = When the conditions of a) or b) is satisfied, the defrosting operation starts. Under the heating operation, the compressor cumulative operation time exceeds 50 minutes and the temperature of the outdoor pipe temperature sensor reads lower than 14F. Under the heating operation, the compressor cumulative operation time exceeds 50 minutes, if the indoor pipe temperature sensor reads lower than 104F continuously for 2 minutes.

    Pioneer AC Defrost terminating conditions
    The outdoor defrost sensor reads 68F the defrosting operation will terminate.
    The defrosting time exceeds 10 minutes the defrosting operation will terminate.

    Read here for more about Pioneer AC defrost

    Model Names of Pioneer AC Indoor/Outdoor units

    (NOTE: THESE MODEL NUMBER ARE FOR THE ERROR CODES ABOVE)
    Cooling Only Model Numbers (Indoor + Outdoor Units):

    WAE009AMFI15RL (WE009AMFI15CLD + AN009AMFI15RPD)
    WAE012AMFI15RL (WE012AMFI15CLD + AN012AMFI15RPD)
    WAE012GMFI15RL (WE012GMFI15CLD + AN012GMFI15RP)
    WAE018GMFI15RL (WE018GMFI15CLD + AN018GMFI15RPD)
    WAE024GMFI15RL (WE024GMFI15CLD + AN024GMFI15RPD)

    Heat Pump Model Numbers (Indoor + Outdoor Units):
    WYE009AMFI15RL (WE009AMFI15HLD + YN009AMFI15RPD)
    WYE009GMFI15RL (WE009GMFI15HLD + YN009GMFI15RPD)
    WYE012AMFI15RL (WE012AMFI15HLD + YN012AMFI15RPD)
    WYE012GMFI15RL (WE012GMFI15HLD + YN012GMFI15RPD)
    WYE018GMFI15RL (WE018GMFI15HLD + YN018GMFI15RPD)
    WYE024GMFI15RL (WE024GMFI15HLD + YN024GMFI15RPD)

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