Samsung Electronics 2
Section 0
Contents
3. Disassembly and Reassembly ...................................................................................................................40
3-1 Necessary Tools .................................................................................................................................................................... 40
3-2 Disassembly and Reassembly ......................................................................................................................................... 41
3-2-1 Checking the Device Condition ...........................................................................................................................41
3-2-2 Removal Instructions for Panel ............................................................................................................................42
3-2-3 Disconnecting the Power Supply .......................................................................................................................43
3-2-4 Removal Instructions for Compressor ............................................................................................................. 46
3-2-5 Compressor exchange order ............................................................................................................................. 48
3-2-6 Removal Instructions for Tank ............................................................................................................................. 50
3-2-7 Removal Instructions for the Hub PBA ............................................................................................................ 54
3-2-8 Removal Instructions for the Control Panel Assy ........................................................................................ 56
3-2-9 Removal Instructions for the Inverter PBA ......................................................................................................59
3-2-10 Removal Instructions for the DC Reactors and EMI PBA .........................................................................62
4. Troubleshooting ..........................................................................................................................................64
4-1 Check-up Window Description ....................................................................................................................................... 64
- AM038/048/055KXWDCH* ............................................................................................................................................ 64
- AM080/100/120/200FXWANR*, AM300KXWANR* / AM072/096/120/192HXWAF(J)R*,
AM240KXWAF(J)R* ............................................................................................................................................................ 66
4-2 Service Operation ................................................................................................................................................................. 67
4-2-1 Special Operation .....................................................................................................................................................67
-
AM080/100/120/200FXWANR*, AM300KXWANR* / AM072/096/120/192HXWAF(J)R*, AM240KXWAF(J)R*
...67
- Key input of the outdoor unit when the service enters the operation mode. ........................................67
4-2-2 DVM S Models EEPROM Code Table ................................................................................................................. 73
4-2-3 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.) ..........74
4-3 Appropriate Measures for Different Symptom ........................................................................................................ 79
4-3-1 Outdoor Unit Test Operation Flow....................................................................................................................79
4-3-2 Main PBA has no power phenomenon .......................................................................................................... 83
4-3-3 Communication Error between Indoor and Outdoor Units during Tracking ............................... 84
4-3-4 Communication Error between Indoor and Outdoor Units after Tracking ................................... 86
4-3-5
Communication error between main and sub Unit of outdoor unit or between outdoor units
..87
4-3-6 Internal Communication error of the Outdoor Unit C-Box ................................................................... 88
4-3-7 Internal PBA Communication error of the Outdoor Unit C-Box .......................................................... 89
4-3-8 MCU branch part setup error – inconsecutive connection with the use of 2 branch parts ....91
4-3-9 MCU branch part setup error – Repeated setup for the same address over 3 times .................92
4-3-10 MCU branch part setup error – non-installed address setup .............................................................93
4-3-11 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used........................................94
4-3-12 MCU branch part setup error – Overlapping Indoor unit Address setup ..................................... 95
4-3-13 MCU branch part setup error – Set as being used without connection to an Indoor unit .. 96
4-3-14 MCU branch part setup error – Connect an Indoor unit to a branch part not being used ...97
4-3-15
MCU branch part setup error – Connect more Indoor units than what is actually set up in MCU
.98
4-3-16 MCU/MCU subcooler entrance/exit sensor error (Open/Short) ......................................................... 99
4-3-17 Outdoor Temperature Sensor Error .............................................................................................................100
4-3-18 Cond Out Temperature Sensor Error (Open/Short) .............................................................................. 101
4-3-19 Outdoor Cond Out sensor breakaway error ............................................................................................102
4-3-20 Compressor Discharge or Top 1/2 Temperature sensor error .........................................................104
4-3-21 Compressor Discharge or Top temperature sensor breakaway error .......................................... 105
4-3-22
: Suction Temperature sensor breakaway error ...............................................................106
4-3-23 High Pressure sensor error (Open/Short) .................................................................................................107
4-3-24 Low Pressure sensor error (Open/Short) ...................................................................................................108
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