Error codes – κωδικοί βλαβών κλιματιστικά AIRWELL (AWSI-HZDE , AWAU-YBZE)

E1

1

HP switch protection

Refrigerant was superabundant. Poor heat exchange (including blockage and bad radiating environment). Too high ambient temperature

E2

2

Indoor coil defrost Protection

Poor air-return in indoor unit. Fan speed is abnormal. Evaporator is dirty.

E4

4

Compressor over Heating Protection

Electronic Expansion Valve connection problem or damage. Refrigerant leakage. Poor heat exchange

E5

5

AC Over current protection

Supply voltage is unstable. Supply voltage is too low and load is too high

E6

6

Communication malfunction

Wiring mistakes Indoor Unit or Outdoor Unit PCB problem

E7

7

Mode conflict

Mode conflict to other Indoor Unit

E8

8

Indoor , Outdoor coil over heating protection

Too high ambient temperature. Poor heat exchange (including blockage and bad radiating environment)

H6

11

No feedback of indoor motor

IFAN motor damaged. IFAN motor blocked. Indoor Unit PCB problem

C5

15

Malfunction protection of jumper cap

Poor connection of the jumper on indoor PCB.

U8

17

Zero-crossing protection (Indoor Unit)

IFAN motor damaged. Zero-crossing circuit damaged on Indoor Unit PCB

LP

19

Mismatch of Indoor Unit and Outdoor Unit

F1

1

RAT failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

F2

2

Indoor Coil Temperature (RT2) sensor failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

F3

3

Outdoor Air Temperature sensor failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

F5

5

Compressor Top Temperature sensor failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

PH

11

DC over voltage

AC input voltage is too high. Reactor has problem. Outdoor Unit PCB has problem

F4

18

Outdoor Coil Temperature sensor failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

b5

19

RLT failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

b7

22

Return Gas Temperature sensor failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

H3

3

Compressor overload

protection

Electronic Expansion Valve connection problem or damaged. Refrigerant leakage. OLP damaged

H5

5

IPM protection

Abnormal power input voltage. Compressor wiring mistake. Liquid and gas valve are not open. Electronic Expansion Valve damaged or not proper working. Poor heat exchange. Over charged system.

HC

6

Power Factor Corrector protection

PFC module assembly problem. Poor heat exchange of Heatsink Power Factor Corrector reactor problem. Abnormal power voltage. Power Factor Corrector circuit problem on PCB

H7

7

Desynchronizing of

compressor

Abnormal power input voltage. Compressor wiring mistake. Liquid and gas valve are not open. Electronic Expansion Valve damaged or not proper working. Poor heat exchange. Over charged system.

Lc

11

Compressor start up failure

Compressor wiring mistake. Over charged system. System not balanced before compressor starting. Compressor problem

U1

12

Compressor phase current detection problem

Phase current detection circuit for compressor has problem.

P5

15

DC over current

Abnormal power input voltage. Compressor wiring mistake. Liquid and gas valve are not open. Electronic Expansion Valve damaged or not proper working Poor heat exchange. Over charged system.

PU

17

Charging malfunction of capacitor

Reactor open. Charging relay or other components damaged on PCB.

P7

18

Heat Sink Temperature sensor failure

Sensor was broken or damaged. PCB temperature detection circuit has problem

P8

19

Heat Sink Temperature sensor over heating protection

Insufficient attachment of IPM module to Heatsink. Outdoor PCB problem.

PL

21

DC under voltage

AC input voltage is too low. Reactor has problem. Outdoor Unit PCB has problem

Ld

Lack Phase Protection of Compressor

Compressor wiring problem. Compressor problem. IPM module problem or compressor current detection circuit has problem. Compressor malfunction due to Electronic Expansion Valve problem