INDOOR AIR SENSOR IS FAULTY
CODE E1
CHECK POINT
1. CHECK THE SENSOR VALUE.
2. INDOOR BOARD IS FAULT
COUNT MEASURE
CHANGE SENSOR
CHANGE INDOOR BOARD
2. FAULT
INDOOR PIPE SENSOR IS FAULTY
CODE E2
CHECK POINT
1. CHECK THE SENSOR VALUE
2. INDOOR BOARD IS FAULT
COUNT MEASURE
CHANGE SENSOR
CHANGE INDOOR BOARD
3. FAULT
IN-PHASE MOTOR IS FAULT
CODE E3
4. FAULT
COMMUNICATION FAULT BETWEEN INDOOR UNIT AND OUTDOOR UNIT
CODE E4
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 SIGNAL 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
5. FAULT
DRIVER BOARD IS FAULT
CODE E5
CHECK POINT
DRIVER BOARD IS FAULT
COUNT MEASURE
DRIVER BOARD IS FAULT
6. FAULT
OUTDOOR SENSOR IS FAULT
CODE E6
CHECK POINT
1. CHECK THESENSOR VALUE
2. POWER BOARD IS FAULT
COUNT MEASURE
CHANGE SENSOR
CHANGE POWER BOARD
7. FAULT
INDOOR MOTOR FAULTY
CODE E7
8. FAULT
COMMUNICATION SIGNAL IS NOT GOOD
CODE E8
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
9. FAULT
DRIVER BOARD IS FAULT
CODE PO
CHECK POINT
DRIVER BOARD IS FAULT
COUNT MEASURE
DRIVER BOARD IS FAULT
10. FAULT
OCR TRIPED
CODE P1
CHECK POINT
1. COMPRESSOR OCR IS OPEN CURCUIT
2. CHECK IF THE OCR TEMPERATURE IS TOO HIGH AND OCR TRIPED
COUNT MEASURE
1. CHANGE OCR OR COMPRESSOR
2. TURN OFF THE AIR CONDITIONER, AND RESTART IT 2 HOUR LATER
3. IF AIR CONDITIONER IS ON AND OFF REGULARLY, CHECK OUTDOOR MOTOR OR MOTOR CAPACITOR, THE OUTLET IS BLOCKED OR THE CONDENSOR IS DIRTY.
11. FAULT
POWER BOARD IS FAULT
CODE P2
CHECK POINT
OUTDOOR POWER BOARD IS FAULT
COUNT MEASURE
CHANGE THE POWER BOARD
12. FAULT
IPDU IS FAULT
CODE P3
13. FAULT
INDOOR UNIT DON’T MATCH OUTDOOR UNIT
CODE P4
CHECK POINT
CHECK IF THE INDOOR UNIT MATCH OUTDOOR UNIT
COUNT MEASURE
CHANGE WRONG UNIT
14. FAULT
ELECTRIC CURRENT IS TOO HIGH
CODE P5
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
1. CHECK IF THE OUTLET IS BLOCKED OR THE CONDENSOR IS DIRTY
CHECK THE OUTDOOR MOTOR WORK NORMALLY
COUNT MEASURE
1. REGULATE THE QUANTITY OF REFRIGERANT
2. UPDATING POWER SUPPLY, CHANG POWER WIRING
3. REMOVE OBSTACLE AROUND OUTDOOR UNIT OR WASH THE CONDENDSOR
4. CHANGE OUTDOOR MOTOR OR MOTOR CAPACITOR
15. FAULT
THE VOLTAGE IS NOT STABLE
CODE P6
CHECK POINT
CHECK THE POWER SUPPLY
COUNT MEASURE
RESTART THE AIR CONDITIONER
16. FAULT
PFC FAULTY
CODE P7
CHECK POINT
OUTDOOR PFC BOARD IS FAULT
COUNT MEASURE
CHANGE PFC BOARD
17. FAULT
INDOOR MOTOR FEEDBACK FAULTY
CODE P8
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