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Contents
4-3-39
CCH wire breaking error ...............................................................................................................................................120
4-3-40
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4-3-41
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4-3-42
Momentary Blackout error ........................................................................................................................................126
4-3-43
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4-3-44
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4-3-45
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4-3-46
4-3-47
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4-3-48
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4-3-49
4-3-50
Input / Output Current sensor error ...................................................................................................................... 140
4-3-51
Outdoor Fan PBA Overvoltage / Low voltage error .........................................................................................141
4-3-52
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4-3-53
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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
Fan motor starting error ..................................................................................................................... 122
Fan motor locking error .....................................................................................................................124
Outdoor Fan Motor overheating .....................................................................................................127
Fan PBA IPM overheating error ........................................................................................................128
Compressor starting error ..................................................................................................................129
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COMP Overcurrent error .........................................................................131
Overvoltage / Low voltage error..................................................................................................... 136
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DC Link voltage sensor error ...................................................................................137
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Fan Motor Overcurrent error ................................................................ 138
Hall IC connection/Two motor parameter difference error ................................................143
Inverter PBA IPM overheating error ............................................................................................... 144
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