Haier 1U12EH1ERA [61/109] Outdoor dc fan motor fault

Содержание

• Dc inverter free match s series 1
• Model no as09 12sh1era 1
• Service manaul 1
• U09 12eh1 era 1
• Wall mounted type 1
• Table of contents 2
• Introduction 4
• Model name explanation 4
• Safety cautions 4
• Caution in repair 5
• Domestic air conditioner 5
• Introduction 5
• Warning 5
• Cautions regarding products after repair 6
• Domestic air conditioner 6
• Introduction 6
• Warning 6
• Caution 7
• Domestic air conditioner 7
• Inspection after repair 7
• Introduction 7
• Warning 7
• Caution 8
• Domestic air conditioner 8
• Icon type of information description 8
• Introduction 8
• Reference 8
• T note note 8
• Using icons 8
• Using icons list 8
• Warning warning 8
• Î caution caution 8
• List of fuctions 9
• As09sh1era 1u09eh1 era as12sh1era 1u12eh1era 10
• Domestic air conditioner 10
• Specifications 10
• Conversion formulae 11
• Cooling heating piping length 11
• Domestic air conditioner 11
• Snb130fgym2 snb130fgym2 11
• Specifications 11
• The data are based on the conditions shown in the table below 11
• U09eh1era 1u12eh1era 11
• W 52 52 11
• Indoor unit connectors 12
• Connectors 13
• Outdoor unit 13
• Lo о o 15
• Automatic operation 16
• Cooling operation mode 16
• Dehumidifying mode 16
• Funcitions and control 16
• Main functions and control specification of indoor unit 16
• Heating operation mode 17
• Air refreshing 18
• Dormant operation 18
• Mute operation 18
• Strength operation 18
• Timing 18
• Abnormal operation of indoor system 19
• High load protection control 19
• Low load protection control 19
• Urgent on off input 19
• Abnormality confirmation approaches 20
• Fixed frequency operation 20
• Malfunction list resume 20
• Power cut compensation 20
• Single indoor system operation 20
• Test program 21
• Time cutting function 21
• Ifp optional function 22
• Degree heating maintaining 23
• Temp display 23
• Main functions and control specification of outdoor unit 24
• The calculation of the compressor s frequency 24
• The operation frequency control of compressor 24
• The operation frequency of outdoor unit and its control 24
• The speeds of increasing or decreasing the frequency of the compressor 24
• The starting of compressor 24
• The control of the outdoor electronic expansion valve eev 26
• The outdoor fan control exchange fan 26
• The outdoor fan control when heating 26
• The outdoor fan control when refrigerating or dehumidifying 26
• Four way control 27
• Protection function 27
• Tc high temperature preventing control of the indoor heating unit 27
• Ttc high temperature preventing protection 27
• Anti freezing protection of the indoor heat exchanger 28
• The control of preventing the over current of the compressor 28
• The protection function of ac current 28
• Temperature protection of the outdoor refrigerating coil 29
• The frequency limitation of modification rate 29
• A outdoor suction temperature sensor 30
• B exhaust temperature sensor c indoor heat exchange sensor 30
• Function of main thermistor 30
• Haier ____________ 31
• R25 c 10kq 3 b25 c 50 c 3700k 3 31
• Room sensor and pipe sensor 31
• Value of thermistor 5 intdoor unit 31
• Ambient sensor suction sensor defrosting sensor 34
• B25 c 50 c 3700k 3 34
• Outdoor unit 34
• R25 c 10kq 3 34
• Domestic air conditioner 35
• Function control 35
• Domestic air conditioner 36
• Function control 36
• Domestic air conditioner 37
• Function control 37
• 80 c 4450к 3 38
• C 50kq 3 38
• Discharging sensor 38
• Domestic air conditioner 38
• Function and control 38
• Domestic air conditioner 39
• Function and control 39
• Domestic air conditioner 40
• Function and control 40
• Domestic air conditioner 41
• Function and control 41
• Instruction 42
• System configuration 42
• Indoor unit 43
• Outdoor unit 43
• Parts and functions 43
• Remote controller 43
• Clock set 44
• Loading of the battery 44
• Operation 44
• Operation 45
• Smart operation cool heat and dry operation 45
• Operation 46
• Select tempsetting fan operation swing operation 46
• Health airflow function 47
• Health operation health airflow operation 47
• Notice 47
• Operation 47
• Press health button 47
• The cancel of 47
• The health airflow function 47
• The setting of 47
• Operation 48
• Power soft operation timer operation 48
• Comfortable sleep 49
• Operation 49
• Operation 50
• For smart use of the air conditioner 51
• Fresh operation emergency operation and test operation 51
• Operation 51
• A caution 52
• A warning 52
• Cautions 52
• Before asking for service check the following first 53
• Cautions 53
• Trouble shooting 53
• Caution for diagnosis 54
• Problem symptoms and measures 54
• Service diagnosis 54
• Symptom check item details of measure 54
• Error codes and description 55
• Thermistor or related abnormality 56
• Indoor ac fan motor malfunction 57
• How to check fan motor dc 59
• Indoor dc fan motor malfunction 59
• Outdoor dc fan motor fault 61
• Ipm protection 62
• The communication fault between ipm and outdoor pcb 64
• Be sure to turn off power switch before connect or disconnect connector or 65
• Conditions 65
• Detection 65
• Electronic expansion valve defective 65
• Else parts damage may be caused 65
• Faulty pcb 65
• Faulty thermistor 65
• Malfunction 65
• Method of 65
• Overheat protection for discharge temperature 65
• Troubleshooting 65
• Be sure to turn off power switch before connect or disconnect connector or 66
• Conditions 66
• Detection 66
• Eeprom abnormal 66
• Else parts damage may be caused 66
• Faulty eeprom 66
• Faulty eeprom data 66
• Faulty pcb 66
• Malfunction 66
• Method of 66
• Troubleshooting 66
• Communication error between the indoor and outdoor units 67
• An abnormal voltage rise or fall is detected by specified voltage checking 69
• An voltage signal is feedback from the voltage detection circuit to the 69
• Conditions 69
• Detection 69
• Detection circuit 69
• Malfunction 69
• Method of 69
• Microcomputer 69
• Power supply over or under voltage fault 69
• Supply voltage not as specified 69
• To turn off power switch before connect or disconnect connector or 69
• Troubleshooting be 69
• Loop of the station detect error 70
• Over current of the compressor 71
• High work intense protection 72
• Mismatching between indoor and outdoor units 73
• Short of refrigerant 74
• Conditions 75
• Detection 75
• High work intense protection 75
• Malfunction 75
• Method of 75
• Domestic air conditioner 77
• Drawing for the installation of indoor and outdoor units 77
• Installation 77
• Installation manual of room air conditioner 77
• Preparation 77
• Accessory parts 78
• Domestic air conditioner 78
• Drawing of pipe 78
• Fitting of the mounting plate and positioning of the wall hole 78
• Fixing the indoor unit body 78
• Indoor unit 78
• Installation 78
• Installation of the indoor unit 78
• Left left rear piping 78
• Making a hole on the wall and fitting the piping hole cover 78
• Other direction piping 78
• Rear piping 78
• Removing the wiring cover 78
• Selection of pipe 78
• Unloading of indoor unit body 78
• When connecting the cable after installing the indoor unit 78
• When the mounting plate is first fixed 78
• When the mounting plate is fixed side bar and lintel о connecting the indoor outdoor electric cable 78
• Attaching drain elbow optional 79
• Connection 79
• Connection of pipes 79
• Domestic air conditioner 79
• Installation 79
• Installation of outdoor unit 79
• Outdoor unit 79
• Purging method to use vacuum pump 79
• Caution 80
• Indoor unit 81
• Removal of front panel 81
• Removal procedure 81
• Removal of filter and blade 83
• Removal of front grill 84
• Removal of drain pan 86
• Removal of display assembly 87
• Removal of vertical blades and swing motor 88
• Removal of electrical box 89
• Removal of heat exchanger 90
• Removal of fan rotor and fan motor 92
• Domestic air conditioner 93
• Outdoor unit 93
• Removal of outdoor panel 93
• Removal procedure 93
• Loosen the screws of the panel 95
• Removal of electrical box 96
• Removal of fan and fan motor 97
• Removal of fan motor bracket and partition 98
• Domestic air conditioner 99
• Removal procedure 99
• Removal of compressor and heat exchange 100
• Fil il m 101
• В1им11111 101
• Appendix 102
• Cooling mode 102
• Heating mode 102
• Piping diagrams 102
• Outdoor unit 01 104
• Outdoor wtrtng diagram 104
• Control board circuit diagrams 105
• Control board circuit diagrams 106
• Module board circuit diagram 108
• Haier group 109
• Sincere forever 109

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Haiei Functions and control 7 3 4 Outdoor DC fan motor fault Indoor Display F8 Outdoor display Outdoor LED1 flash 9 times Method of The fan speed detected by the Hall IC during fan motor running which is used malfunction to determine the fan motor operating detection Malfunction detection When there is no fan speed feedback signal within 2 minutes conditions Operation stops due to fan motor wiring disconnection Supposed Operation stops due to wiring disconnection between PCB and indoor motor causes Detection error due to faulty indoor PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be caused Haier Domestic Air Conditioner 58