Table Of Contents - Haier AS12GB3HRA Service Manual

Table of Contents

Table Of Contents2
Introduction3
Model Name Explanation3
Safety Cautions4
Caution In Repair4
Cautions Regarding Products After Repair5
Inspection After Repair7
Using Icons8
Using Icons List8
Features9
Power Mode9
Soft Mode9
Auto Mode9
Specifications10
Nominal Distribution System Voltage10
Technical Specifications10
Technical Specifications-Parts11
Sensors List11
Pinping Diagrams12
Cooling Mode12
Heating Mode12
Printed Circuit Board Connector Wiring Diagram13
Wiring Diagrams15
Functions And Control16
Main Functions And Control Specification16
Automatic Operation16
Cooling Operation Mode16
Dehumidifying Mode17
Heating Operation Mode17
Coldair Proof Operation18
Strength Operation18
Mute Operation19
Air Refreshing19
Timing19
Dormant Operation19
Urgent On/Off Input20
Low Load Protection Control20
High Load Protection Control20
Abnormal Operation Of Indoor System21
Malfunction List Resume21
Abnormality Confirmation Approaches21
Single Indoor System Operation21
Power Cut Compensation22
Fixed Frequency Operation22
Test Program22
Time Cutting Function23
Value Of Thermistor23
Room Sensor And Pipe Sensor23
System Configuration27
Parts And Functions28
Indoor Unit28
Remote Controller28
Loading Of The Battery28
Base Operation29
Emergency Operation And Test Operation29
Air Flow Direction Adjustment29
Sleep Operation30
Power/Quiet Operation30
In Heat Mode30
In Cool, Dry Mode30
Timer On/Off On-Off Operation31
Healthy Airflow Operation31
Maintenance32
For Smart Use Of The Air Conditioner32
Indoor Body32
Air Filter Cleaning32
Cautions33
Dimensional Drawings35
Center Of Gravity35
Service Diagnosis36
Caution For Diagnosis36
Parameter Of Primary Electronic Appliance36
Error Codes And Description37
Thermistor Or Related Abnormality38
Indoor Display38
Outdoor Display38
Indoor Ac Fan Motor Malfunction39
Indoor Dc Fan Motor Malfunction40
How To Check Fan Motor40
Outdoor Dc Fan Motor Fault42
Ipm Protection43
Led1 Flash 2 Time43
Check The Ipm Module Method44
The Communication Fault Between Ipm And Outdoor Pcb45
Led1 Flash 4 Time45
Overheat Protection For Discharge Temperature46
Led1 Flash 8 Time46
Eeprom Abnormal47
Communication Error Between The Indoor And Outdoor Units48
Power Supply Over Or Under Voltage Fault50
Loop Of The Station Detect Error51
Over-Current Of The Compressor52
High Work-Intense Protection53
Mismatching Between Indoor And Outdoor Units54
Short Of Refrigerant54
Led1 Flash 16 Times54
Led1 Flash 46 Times54
Circuit Diagrams56
Removal Procedure59
Dc Inverter Free Match Ek-Series59
Removal Of Air Filter60
Removal Of Front Panel62
Removal Of Horizontal Flap64
Removal Of Drain Pan65
Removal Of Vertical Blades And Swing Motor66
Removal Of Electrical Box67
Removal Of Heat Exchanger68
Removal Of Fan Rotor And Motor70