AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting
117
C6
Suction pipe
temperature of
compressor "Ts"
failure
Yes
Temperature sensor failure or test temperature exceed
limit.
Sensor connection is incorrect.
Outdoor unit PCB failure.
C8
Coil Center
temperature sensor
“Tcm” failure
Yes
Temperature sensor failure or test temperature exceed
limit.
Sensor connection is incorrect.
Outdoor unit PCB failure.
H1
DC inverter
compressor high
pressure switch
"HPS" failure
No
System pressure exceed high pressure switch limit
High pressure switch failure
Instantaneous power-off
Stop valve closed
Outdoor unit fan stop
Outdoor unit air outlet block
In heating mode indoor unit fan stop
In heating mode indoor unit EXV block
H4
Low pressure switch
"LPS" failure
Yes
System pressure lower than low pressure switch limit.
Low pressure switch failure
Instantaneous power-off
Stop valve closed
In cooling mode indoor unit EXV close or block
In heating mode outdoor unit EXV close or block
In heating mode outdoor unit fan stop
In heating mode outdoor unit air outlet block
E1
4 way valve
protection
Yes
4 way valve block
Outdoor unit PCB failure
E3
DC inverter
discharge
temperature "Td" too
high shutdown
protection
No
System less refrigerant
DC inverter Compressor failure
Compressor air return filter block
EXV open degree is small
EXV block
Gas pipe stop valve closed
Liquid pipe stop valve closed
System exhaust sensor failure
Outdoor unit PCB failure
E8
Coil Center
temperature
sensor “Tcm”too
high shutdown
protection
Yes
System over refrigerant
EXV open degree is small
EXV block
System exhaust sensor failure
Outdoor unit PCB failure
J2
The communication
between outdoor unit
and indoor unit
failure
Yes
The communication wire between indoor unit and outdoor
unit disconnect, short circuit or connect incorrect.
Indoor unit main power failed
Indoor unit PCB failure
J3
The communication
between PCB and
INV module failure
Yes
The connection between driving module and main PCB
failure
The communication part of outdoor unit control PCB failure
Frequency driving board failure
Compressor failure
Содержание AL-H18/4DR1(U)
Страница 1: ...AUKS DC Inverter 1 Drive1 50HZ R410A 1 Service manual DC Inverter 1 Drive 1 50Hz R410a...
Страница 3: ...AUKS DC Inverter 1 Drive1 50HZ R410A General description 3 Part 1 General description 1 Nomenclature...
Страница 5: ...AUKS DC Inverter 1 Drive1 50HZ R410A General description 5...
Страница 7: ...AUKS DC Inverter 1 Drive1 50HZ R410A General description 7...
Страница 21: ...AUKS DC Inverter 1 Drive1 50HZ R410A Four way cassette 21 Introduction of control board socket...
Страница 46: ...AUKS DC Inverter 1 Drive1 50HZ R410A Ceiling Floor Type 46 Introduction of control board socket...
Страница 55: ...AUKS DC Inverter 1 Drive1 50HZ R410A Ceiling Floor Type 55...
Страница 68: ...AUKS DC Inverter 1 Drive1 50HZ R410A Ducted type Indoor unit 68 Introduction of control board socket...
Страница 69: ...AUKS DC Inverter 1 Drive1 50HZ R410A Ducted type Indoor unit 69 6 Fan Performance ALMD H18 4DR1 ALMD H24 4DR1...
Страница 70: ...AUKS DC Inverter 1 Drive1 50HZ R410A Ducted type Indoor unit 70 ALMD H36 4DR1 ALMD H48 5DR1 ALMD H60 5DR1...
Страница 89: ...AUKS DC Inverter 1 Drive1 50HZ R410A Universal outdoor unit 89 AL H48 5DR1 U AL H60 5DR1 U...
Страница 92: ...AUKS DC Inverter 1 Drive1 50HZ R410A Universal outdoor unit 92 Filter board...
Страница 109: ...AUKS DC Inverter 1 Drive1 50HZ R410A Universal outdoor unit 109...
Страница 120: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 120 Communication failure between indoor and outdoor unit...
Страница 121: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 121 Outdoor protection phase sequence...
Страница 122: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 122 Cooling high pressure protection...
Страница 123: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 123 Heating high pressure protection...
Страница 124: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 124 Cooling low pressure protection...
Страница 125: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 125 Heating low pressure protection...
Страница 126: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 126 Cooling exhaust temperature protection...
Страница 127: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 127 Heating exhaust temperature protection...
Страница 128: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 128 Refrigerant shortage or four way valve failure protection...
Страница 129: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 129 Sensor failure protection...
Страница 131: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 131 Poor effect...
Страница 132: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 132...
Страница 133: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 133 Abnormal sound or viberation...
Страница 134: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 134...
Страница 135: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 135 Abnormal odor...
Страница 136: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 136 Air switch action when air conditioner starting up...
Страница 137: ...AUKS DC Inverter 1 Drive1 50HZ R410A Trouble shooting 137 Air conditioner water leakage...
Страница 147: ...AUKS DC Inverter 1 Drive1 50HZ R410A Controller 147 Wired controller XK 05...
Страница 148: ...AUKS DC Inverter 1 Drive1 50HZ R410A Controller 148...
Страница 149: ...AUKS DC Inverter 1 Drive1 50HZ R410A Controller 149 Installation of wired controller...