Samsung AM072BXV Series - Page 4

Contents
4-3-39 CCH wire breaking error ...............................................................................................................................................120
4-3-40
/ Fan motor starting error ..................................................................................................................... 122
4-3-41
/ Fan motor locking error .....................................................................................................................124
4-3-42
Momentary Blackout error ........................................................................................................................................126
4-3-43
/ Outdoor Fan Motor overheating .....................................................................................................127
4-3-44
/ Fan PBA IPM overheating error ........................................................................................................128
4-3-45
/ Compressor starting error ..................................................................................................................129
4-3-46
/ COMP Overcurrent error .........................................................................131
4-3-47
/ Overvoltage / Low voltage error..................................................................................................... 136
4-3-48
/ / DC Link voltage sensor error ...................................................................................137
4-3-49
/ Fan Motor Overcurrent error ................................................................ 138
4-3-50
Input / Output Current sensor error ...................................................................................................................... 140
4-3-51
Outdoor Fan PBA Overvoltage / Low voltage error .........................................................................................141
4-3-52
/ Hall IC connection/Two motor parameter difference error ................................................143
4-3-53
/ Inverter PBA IPM overheating error ............................................................................................... 144
4-3-54
Option setting error of outdoor unit .................................................................................................................... 146
4-3-55
Error due to using single type outdoor unit in a module installation ......................................................147
4-3-56
Indoor unit and MCU address duplication error .............................................................................................. 148
4-3-57
Refrigerant leakage check alarm in operaiton ................................................................................................ 149
4-3-58
Main EEV leakage Error ............................................................................................................................................... 150
4-4 Case study for trouble shoots ..................................................................................................................151
4-4-1 Electric discharge mode ........................................................................................................................................................................151
4-4-2 Pump down operation
...........................................................................................................................................................................153
4-4-3 Pump out operation
...............................................................................................................................................................................155
4-4-4 Vacuum
........................................................................................................................................................................................................157
4-4-5 Case study – E201 (Communication error between indoor & outdoor unit)
................................................................ 158
4-4-6 Case study – E205 (Internal communication error of the outdoor unit C-box)
........................................................... 160
4-4-7 Case study – E206 (Internal communication error of the outdoor unit C-box)
.............................................................161
4-4-8 Case study – E108 (Error due to repeated address setting)
.................................................................................................. 162
4-4-9 Case study – E108, E604, E613
.......................................................................................................................................................... 163
4-4-10 Case study – E461, E361 (Error due to operation failure of inverter compressor)
..................................................... 164
4-4-11 Case study – Inverter PBA error....................................................................................................................................................... 165
4-4-12 Case study – E461/361 & E464/364 & E466/366
....................................................................................................................... 166
4-4-13 Case study – Poor cooling caused by IPM overheated
..........................................................................................................170
4-4-14 Case study – Related error with IPM
..............................................................................................................................................171
4-4-15 Case study – E455 (Fan IPM overheat error)
...............................................................................................................................172
4-4-16 Case study – Temperature sensor open/short
..........................................................................................................................174
4-4-17 Case study – Pressure sensor open/short....................................................................................................................................175
5. PBA Diagram and Parts List ............................................................................................... 176
5-1 Main PBA DC ..............................................................................................................................................176
5-2 Main PBA AC
............................................................................................................................................. 178
5-3 EMI PF8
.....................................................................................................................................................179
5-4 EMI PF9
.....................................................................................................................................................180
5-5 EMI PF9 OLD
...............................................................................................................................................181
5-6 Dual FAN
................................................................................................................................................... 182
5-7 Safety 2FAN
............................................................................................................................................... 183
5-8 PF8 Inv.Integration J POWER..................................................................................................................184