Shinco AC Error Codes and Troubleshooting

AC BrandsSharp
Display CodesDiagnostic Description
EEButtons are locked
E0Water pump malffunction
E1High pressure protection of compressor
E2Indoor anti-frozen of compressor
E3Low pressure protection of compressor
E4Air discharge high-temperature protection of compressor
E5Overload protection of compressor
E6Transmit malfunction
E8Indoor fan protection
E9Water flow protection
FFConnected control communications Failure
F0Malfunction of indoor environment sensor at air return vent
F1Evaporator sensor malfunction
F2Condenser sensor malfunction
F3Outdoor environment sensor malfunction
F4Malfunction of air discharge sensor
F5Malfunction of environment sensor on displayer
eeMalfunction of outdoor drive memory chip. Outdoor drive board
H3Compressor over load protection. Compressor overload switch.

How to Fix?

Fault code display;

KFR-25GWZ/BM – KFR-35GWZ/BM Models;

Code: EP 

Fault: Indoor Unit Don’t Match Outdoor Unit

Check Point: Check If The Indoor Unit Match Outdoor Uint

Count Measure: Change Wrong Unit

Code: E0 

Fault: Outdoor Discharge Pipe Sensor Fault

Check Point:

  1. Checkthe Value Of Sensor
  2. Outdoor Power Board Is Fault(check capicator)

Count Measure:

  1. Change Sensor
  2. Change Power Board

Code: E4 

Fault: Communication Fault Between Indoor Unit And Outdoor Unit

Check Point:


  1. Check if the connecting wiring is connect well
  2. Test the voltage value between L4 and S, if it ‘s change regularly, the singal transfering between indoor and outdoor unit is good, when it‘s no change if value is below 14v, the indoor pcb board is fault, change it. if value is over 14v, the outdoor pcb is faulty
  3. Check if there is led flashing on the outdoor pcb if there is no flashing, check voltage value from power board to pfc board, between acl and can on pfc board if it’s not 220v, change power board if it’s 220v, change pfc board

Count Measure:

  1. Fix The Wiring Again
  2. Change Relate Pcb Board
Shinco AC Error Codes and Troubleshooting

Code: EA

Fault: Compressor Driver Board Is Faulty

Check Point: Check Outdoor Driver Board

Count Measure: Change Driver Board

Code: E6

Fault:

  1. Ourdoor Air Sensor Is Faulty
  2. Outdoor Pipe Sensor Is Fault

Check Point:

  1. Check The Sendor Value
  2. Power Board Is Faul

Count Measure:

  1. Change Sensor
  2. Change Power Baord

Code: E1

Fault: Indoor Air Sensor Is Faulty

Check Point:

  1. Check The Sensor Value
  2. Indoor Board Is Fault

Count Measure:

  1. Change Sendor
  2. Change Indoor Board

Code: E2 

Fault: Indoor Pipe Sensor Is Faulty


Check Point:

  1. Check The Sensor Value
  2. Indoor Board Is Fault

Count Measure:

  1. Change Sendor
  2. Change Indoor Board

Code: E8 

Fault: Power Board Is Fault

Check Point: Outdoor Power Board Is Fault

Count Measure: Change The Power Board

CodeE9

Fault: Power Board Is Fault

Check Point: Outdoor Power Board Is Fault

Count Measure: Change The Power Board

Code: E5

Fault: Driver Board Is Fault

Check Point: Driver Board Is Fault

Count Measure: Driver Board Is Fault

Code: EC 

Fault: Oudoor Communication Faulty

Check Point: Check If Wirings Between Power Board And Driver Board Are Connected Well

Count Measure: Fix The Wiring Between Power Board And Driver Board

Code: E3

Fault: Indoor Motor Is Fault

Check Point:

  1. Indoor Motor Or Indoor Motor Capacitor Is Fault
  2. Inner Wiring Don’t Connect Well
  3. Indoor Pcb Is Fault
  4. Indoor Motor Is Blocked

Count Measure:

  1. Change Motor Or Capacitor
  2. Fix The Wirings
  3. Change Indoor Pcb
  4. Remove The Blocking

Code: EE

Fault: Indoor Pcb Baord Is Faulty

Check Point: Indoor Pcb Baord Is Faulty


Count Measure: Indoor Pcb Baord Is Faulty

Code: P1 

Fault: Outdoor Discharge Temp Is Too High

Check Point:

  1. Check If The Outlet Is Blocked Or The Condensor Is Dirty
  2. Check The Outdoor Motor Work Normally
  3. Check If The Refrigerant Is Charged Too Much

Count Measure:

  1. Remove Obstacle Around Outdoor Unit Or Wash The Condenser
  2. Change Outdoor Motor Or Motor Capacitor
  3. Regulate The Quantity Of Refrigerant

Code: P7

Fault: Driver Board Protection

Check Point:

  1. Check If The Refrigerant Is Charged Too Much
  2. Check If The Compressor Is Blocked
  3. Ipm Mold Is Fault

Count Measure:

  1. Regulate The Quantity Of Refrigerant
  2. Change Compressor
  3. Change Ipm Mold

Code: P3 

Fault: The Voltage Is Not Stable

Check Point: Check The Power Supply

Count Measure: Restart The Air Conditioner

Code: P2 

Fault: Electric Current Is Too High

Check Point:

  1. Check If The Refrigerant Is Charged Too Much
  2. Check If The Voltage Is Too Low, Power Wringis Too Thin Or Too Long Or Contact Badly
  3. Check If The Outlet Is Blocked Or The Condensor Is Dirty
  4. Check The Outdoor Motor Work Normally

Count Measure:

  1. Regulate The Quantity Of Refrigerant
    Updating Power Supply, Chang Power Wiring
    Remove Obstacle Around Outdoor Unit Or Wash The Condenser
    Change Outdoor Motor Or Motor Capacitor

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