Samsung Electronics 2
Section 0
Contents
4. Troubleshooting ................................................................................................ 133
4-1 Check-up Window Description ............................................................................................................................ 133
4-2 Service Operation ...................................................................................................................................................... 134
4-2-1 Special Operation .........................................................................................................................................134
4-2-2 DVM S Models EEPROM Code Table .................................................................................................... 144
4-2-3 Number Display Method ..........................................................................................................................146
4-3 Appropriate Measures for Different Symptom ...............................................................................................151
4-3-1 Outdoor Unit Operation Flow ................................................................................................................ 151
4-3-2 Main PBA has no power phenomenon ...............................................................................................155
4-3-3 Communication Error between Indoor and Outdoor Units during Tracking..................... 156
4-3-4 Communication Error between Indoor and Outdoor Units after Tracking ......................... 158
4-3-5 Communication error between main and sub Unit of outdoor unit or
between outdoor units ............................................................................................................................. 159
4-3-6 Internal Communication error of the Outdoor Unit C-Box ........................................................ 160
4-3-7 Internal PBA Communication error of the Outdoor Unit C-Box ...............................................161
4-3-8 MCU branch part setup error-inconsecutive connection with the use
of 2 branch Parts .......................................................................................................................................... 163
4-3-9 MCU branch part setup error-Repeated setup for the same address over 3 times ......... 164
4-3-10 MCU branch part setup error-non-installed address setup .................................................... 165
4-3-11 Setup Error for MCU Branch part-Setup Error for MCU Quantity Used .............................. 166
4-3-12 MCU branch part setup error-Overlapping Indoor unit Address setup ............................ 167
4-3-13 MCU branch part setup error_Set as being used without connection
to an Indoor unit ....................................................................................................................................... 168
4-3-14 MCU branch part setup error-Connect an Indoor unit to a branch part
not being used ........................................................................................................................................... 169
4-3-15 MCU branch part setup error-Connect more Indoor units than what is
actually set up in MCU ............................................................................................................................ 170
4-3-16 MCU/MCU subcooler entrance/exit sensor error (Open/Short) ............................................ 171
4-3-17 Outdoor Temperature Sensor Error ....................................................................................................172
4-3-18 Cond Out Temperature Sensor Error (Open/Short) .................................................................... 173
4-3-19 Outdoor Cond Out sensor breakway error .....................................................................................174
4-3-20 Compressor Discharge or TOP 1/2 Temperature sensor error ................................................ 176
4-3-21 Compressor Discharge or TOP temperature sensor breakway error ................................... 177
4-3-22 E269 : Suction Temperature sensor breakway error .................................................................. 178
4-3-23 High Pressure sensor error (Open/Short) .........................................................................................179
4-3-24 Low Pressure sensor error (Open/Short) ..........................................................................................180
4-3-25 Suction Temperature sensor error (Open/Short) ..........................................................................181
4-3-26 Liquid Pipe Temperature sensor error (Open/Short) .................................................................. 182
4-3-27 EVI In Temperature sensor error (Open/Short) ............................................................................. 183
4-3-28 EVI Out Temperature sensor error (Open/Short) ......................................................................... 184
4-3-29 Suction-2 Temperature Sensor Error (Open/Short) .....................................................................185
4-3-30 Measures of other outdoor unit error ...............................................................................................186
4-3-31 E407 : Comp. Down due to High Pressure Protection Control .............................................. 187
4-3-32 E410 : Comp. Down due to Low Pressure Protection Control ................................................ 189
4-3-33 E416 : Suspension of starting due to Compressor discharge
temperature sensor/Top temperature sensor .................................................................. 191
4-3-34 3-phase Input Wiring error .....................................................................................................................192
4-3-35 E428 : Suspension of starting by abnormal compression ratio .............................................193
4-3-36 EVI EEV Open error ....................................................................................................................................194
4-3-37 Refrigerant leakage error ........................................................................................................................195
4-3-38 Prevention of heating/cooling operation due to outdoor temperature ............................196
4-3-39 Prevention of heating refrigerant charge due to outdoor temperature ........................... 197
4-3-40 CCH wire breaking error ..........................................................................................................................198
4-3-41 Fan motor starting error ......................................................................................................................... 200
4-3-42 Fan motor locking error.......................................................................................................................... 202
4-3-43 Momentary Blackout error .......................................................................................................................... 203
4-3-44 Outdoor Fan Motor overheating ........................................................................................................ 204
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