Shinco Air Conditioner Error Codes: Inverter Split System Air Conditioner R410A

Error Codes | Problem |
---|---|
E0 | Outdoor Discharge Pipe Sensor Fault |
E1 | Indoor Air Sensor Is Faulty |
E2 | Indoor Pipe Sensor Is Faulty |
E3 | Indoor In-phase Motor Is Fault |
E4 | Communication Fault Between Indoor Unit And Outdoor Unit |
E5 | Driver Board Is Fault |
E6 | Outdoor Sensor Is Fault |
E7 | Indoor Motor Faulty |
E8 | Communication Signal Is Not Good |
E9 | Power Board Is Fault |
EE | Indoor Pcb Baord Is Faulty |
EC | Oudoor Communication Faulty |
EA | Compressor Driver Board Is Faulty |
EP | Indoor Unit Don’t Match Outdoor Unit |
P0 | Driver Board Is Fault |
P1 | OCR Triped |
P2 | Power Board Is Fault |
P3 | IPDU Is Fault |
P4 | Indoor Unit Don’t Match Outdoor Unit |
P5 | Electric Current Is Too High |
P6 | The Voltage Is Not Stable |
P7 | Pfc Faulty |
P8 | Indoor Motor Feedback Faulty |
FL | Water full status |
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:
- Checkthe Value Of Sensor
- Outdoor Power Board Is Fault(check capicator)
Count Measure:
- Change Sensor
- Change Power Board
Code: E4
Fault: Communication Fault Between Indoor Unit And Outdoor Unit
Check Point:
- Check if the connecting wiring is connect well
- 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
- 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:
- Fix The Wiring Again
- Change Relate Pcb Board

Code: EA
Fault: Compressor Driver Board Is Faulty
Check Point: Check Outdoor Driver Board
Count Measure: Change Driver Board
Code: E6
Fault:
- Ourdoor Air Sensor Is Faulty
- Outdoor Pipe Sensor Is Fault
Check Point:
- Check The Sendor Value
- Power Board Is Faul
Count Measure:
- Change Sensor
- Change Power Baord
Code: E1
Fault: Indoor Air Sensor Is Faulty
Check Point:
- Check The Sensor Value
- Indoor Board Is Fault
Count Measure:
- Change Sendor
- Change Indoor Board
Code: E2
Fault: Indoor Pipe Sensor Is Faulty
Check Point:
- Check The Sensor Value
- Indoor Board Is Fault
Count Measure:
- Change Sendor
- Change Indoor Board
Code: E8
Fault: Power Board Is Fault
Check Point: Outdoor Power Board Is Fault
Count Measure: Change The Power Board
Code: E9
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:
- Indoor Motor Or Indoor Motor Capacitor Is Fault
- Inner Wiring Don’t Connect Well
- Indoor Pcb Is Fault
- Indoor Motor Is Blocked
Count Measure:
- Change Motor Or Capacitor
- Fix The Wirings
- Change Indoor Pcb
- 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:
- Check If The Outlet Is Blocked Or The Condensor Is Dirty
- Check The Outdoor Motor Work Normally
- Check If The Refrigerant Is Charged Too Much
Count Measure:
- Remove Obstacle Around Outdoor Unit Or Wash The Condenser
- Change Outdoor Motor Or Motor Capacitor
- Regulate The Quantity Of Refrigerant
Code: P7
Fault: Driver Board Protection
Check Point:
- Check If The Refrigerant Is Charged Too Much
- Check If The Compressor Is Blocked
- Ipm Mold Is Fault
Count Measure:
- Regulate The Quantity Of Refrigerant
- Change Compressor
- 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:
- Check If The Refrigerant Is Charged Too Much
- Check If The Voltage Is Too Low, Power Wringis Too Thin Or Too Long Or Contact Badly
- Check If The Outlet Is Blocked Or The Condensor Is Dirty
- Check The Outdoor Motor Work Normally
Count Measure:
- 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
Code: P4
Fault: OCR Triped
Check Point:
- Compressor Ocr Is Open Curcuit
- Check If The Ocr Temperature Is Too High And Ocr Triped
Count Measure:
- Change Ocr Or Compressor
- Turn Off The Air Conditioner, And Restart It 2 Hour Later
- If Air Conditioner Is On And Off Regularly, Check Outdoor Motor Or Motor Capacitor, The Outlet Is Blocked Or The Condensor Is Dirty
Code: P5
Fault: Indoor Pipe Temp. Is Too High When Heating
Check Point:
- Check Indoor Motor Work Normally
- Check Filter Net Or Evaperator Is Diety
Count Measure:
- Change Outdoor Motor Or Motor Capacitor
- Wash The Filete Net Or Evaperator
Code: P6
Fault: Outdoor Pipe Temp. Id Too High
Check Point:
- Check If The Refrigerant Is Charged Too Much
- Check If The Voltage Is Too Low, Power Wringis Too Thin Or Too Long Or Contact Badly
- Check If The Outlet Is Blocked Or The Condensor Is Dirty
Count Measure:
- Regulate The Quantity Of Refrigerant
- Updating Power Supply, Chang Power Wiring
- Remove Obstacle Around Outdoor Unit Or Wash The Condenser
Code: P0
Fault: Driver Board Is Fault
Check Point: Driver Board Is Fault
Count Measure: Change Driver Baord
KFR-50GWZ/BM、KFR-70GWZ/BM Models;
Code: E1
Fault: Indoor Air Sensor Is Faulty
Check Point:
- Check The Sensor Value
- Indoor Board Is Fault
Count Measure:
- Change Sendor
- Change Indoor Board
Code: E2
Fault: Indoor Pipe Sensor Is Faulty
Check Point:
- Check The Sensor Value
- Indoor Board Is Fault
Count Measure:
- Change Sendor
- Change Indoor Board
Code: E3
Fault: Indoor In-phase Motor Is Fault
Code: E4
Fault: Communication Fault Between Indoor Unit And Outdoor Unit
Check Point:
- Check If The Connecting Wiring Is Connect Well
- 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
- 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:
- Fix The Wiring Again
- Change Relate Pcb Board
Code: E5
Fault: Driver Board Is Fault
Check Point: Driver Board Is Fault
Count Measure: Driver Board Is Fault
Code: E6
Fault: Outdoor Sensor Is Fault
Check Point:
- Check The Sendor Value
- Power Board Is Fault
Count Measure:
- Change Sensor
- Change Power Baord
Code: E7
Fault: Indoor Motor Faulty
Code: E8
Fault: Communication Signal Is Not Good
Check Point:
- Check If The Communication Wiring Is Connected Well.
- Check If Power Board Or Driver Board Is Fault
Count Measure:
- Fix The Communication Well
- Change The Pcb Board
Code: P0
Fault: Driver Board Is Fault
Check Point: Driver Board Is Fault
Count Measure: Driver Board Is Fault
Code: P1
Fault: OCR Triped
Check Point:
- Compressor Ocr Is Open Curcuit
- Check If The Ocr Temperature Is Too High And Ocr Triped
Count Measure:
- Change Ocr Or Compressor
- Turn Off The Air Conditioner, And Restart It 2 Hour Later
- If Air Conditioner Is On And Off Regularly, Check Outdoor Motor Or Motor Capacitor, The Outlet Is Blocked Or The Condensor Is Dirty
Code: P2
Fault: Power Board Is Fault
Check Point: Outdoor Power Board Is Fault
Count Measure: Change The Power Board
Code: P3
Fault: IPDU Is Fault
Code: P4
Fault: Indoor Unit Don’t Match Outdoor Unit
Check Point: Check If The Indoor Unit Match Outdoor Uint
Count Measure: Change Wrong Unit
Code: P5
Fault: Electric Current Is Too High
Check Point:
- Check If The Refrigerant Is Charged Too Much
- Check If The Voltage Is Too Low, Power Wringis Too Thin Or Too Long Or Contact Badly
- Check If The Outlet Is Blocked Or The Condensor Is Dirty
- Check The Outdoor Motor Work Normally
Count Measure:
- Regulate The Quantity Of Refrigerant
- Updating Power Supply, Chang Power Wiring
- Remove Obstacle Around Outdoor Unit Or Wash The Condendsor
- Change Outdoor Motor Or Motor Capacitor
Code: P6
Fault: The Voltage Is Not Stable
Check Point: Check The Power Supply
Count Measure: Restart The Air Conditioner
Code: P7
Fault: Pfc Faulty
Check Point: Outdoor Pfc Board Is Fault
Count Measure: Change Pfc Board
Code: P8
Fault: Indoor Motor Feedback Faulty
Note: The fault code doesn’t display directly, and it will display as following instruction:
Press the ON/OFF button 6 times within 7 seconds, there will be three DU sound on indoor unit, and the indoor unit will display the fault code.
Model:
KFR-25GWZ/BM, KFR-35GWZ/BM, KFR-50GWZ/BM, KFR-70GWZ/BM
Shinco Portable AC Error Codes:

- E2 Room temperature sensor error
- E3 Coil pipe sensor error
- FL Water full status
Caution: When “df” is displayed, the air conditioner is in anti-freezing or defrosting state, and this is a normal phenomenon.

Troubleshooting
Before calling a repair man, please check the followings:
Symptom: The air conditioner does not work
Possible reason:
- Problem with the remote control.
- Problem with the voltage. Please shut the power, wait 3 minutes and restart the unit.
- Verify the circuit breaker or fuse.
Symptom: The unit does not blow warm air in heating mode
Possible reason:
- The compressor is in a delay mode (to protect the compressor there are several minutes delay for every start) wait a few minutes after starting the unit.
- The hot air will be blown out only after the defrosting operation.
Symptom: Low efficiency of cooling or heating
Possible reason:
- The air filters are too dirty.
- The intake vent or outlet vent is blocked up.
- In heating operation, the ambient temperature is too low. Defrosting operation may be required.
Symptom: Noise
Possible reason:
- Water leak noise. It is the sound of the circulation of refrigerant.
- Condensed air leaking out. In heating operation, during the defrosting, it is the sound of the back-flow refrigerant.
Symptom: Abnormality on the remote control screen
Possible reason:
- Batteries need to be replaced.
- Batteries are inserted incorrectly. Take the batteries out and insert them again.
Symptom: Cold water leaking from the air conditioner
Possible reason: Moisture will occur in the air outlet due to the temperature difference
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