Samsung AM072BXV Series

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Troubleshooting

Samsung Electronics 135

4-3 Appropriate Measures for Different Symptom (cont.)

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Table of Contents2
Precautions7
Precautions for the Service7
Precautions for the Static Electricity and PL7
Precautions for the Safety7
Precautions for Handling Refrigerant for Air Conditioner8
Precautions for Welding the Air Conditioner Pipe8
Precautions for Additional Supplement of Air Conditioner Refrigerant8
Other Precautions8
Product Specifications9
Feature of Product9
Feature9
Structure of Product (AM***BXV*F*)11
Structure of Product (AM***BXV*J*)13
Model Names of Indoor/Outdoor Unit15
Outdoor Unit Combination15
Outdoor Unit16
Combination and Connection Ratio Limitation20
Product Specification21
Outdoor Unit21
Accessory and Option Specifications29
Controller29
Piping31
Controller & Control Accessory Compatibility32
Disassembly and Reassembly33
Necessary Tools33
Disassembly and Reassembly34
Checking the Device Condition34
Removal Instructions for Cabinet36
Disconnecting the Power Supply37
Removal Instructions for Guard Fan39
Removal Instructions for Fan and Motor40
Removal Instructions for Compressor52
Compressor Exchange Order55
Removal Instructions for the Accumulator57
Removal Instructions for the Control PBA62
Removal Instructions for the Control Panel Assy63
Removal Instructions for the Inverter PBA64
Removal Instructions for the Fan PBA65
Removal Instructions for the DC Reactors and EMI PBA66
Mcu67
EEV Kit68
Troubleshooting69
Check-Up Window Description69
Service Operation70
Special Operation70
DVM S Models EEPROM Code Table77
Number Display Method (Outdoor Unit, MCU, Cable Remote Control, Wall-Mount, Etc.)78
Appropriate Measures for Different Symptom84
Outdoor Unit Test Operation Flow84
Main PBA Has no Power Phenomenon87
Communication Error between Indoor and Outdoor Units During Tracking88
Communication Error between Indoor and Outdoor Units after Tracking90
Communication Error between Main and Sub Unit of Outdoor Unit or between Outdoor Units91
Internal Communication Error of the Outdoor Unit C-Box92
Internal PBA Communication Error of the Outdoor Unit C-Box93
MCU Branch Part Setup Error - Inconsecutive Connection with the Use of 2 Branch Parts94
MCU Branch Part Setup Error - Repeated Setup for the same Address over 3 Times95
MCU Branch Part Setup Error - Non-Installed Address Setup96
Setup Error for MCU Branch Part - Setup Error for MCU Quantity Used97
MCU Branch Part Setup Error - Overlapping Indoor Unit Address Setup98
MCU Branch Part Setup Error - Set as Being Used Without Connection to an Indoor Unit99
MCU Branch Part Setup Error - Connect an Indoor Unit to a Branch Part Not Being Used100
MCU Branch Part Setup Error - Connect more Indoor Units than What Is Actually Set up in MCU101
MCU/MCU Subcooler Entrance/Exit Sensor Error (Open/Short)102
Outdoor Temperature Sensor Error103
Cond out Temperature Sensor Error (Open/Short)104
Outdoor Cond out Sensor Breakaway Error105
Compressor Discharge or107
Top 1/2 Temperature Sensor Error107
Top Temperature Sensor Breakaway Error108
Suction Temperature Sensor Breakaway Error109
High Pressure Sensor Error (Open/Short)110
Low Pressure Sensor Error (Open/Short)111
Suction Temperature Sensor Error (Open/Short)112
Liquid Pipe Temperature Sensor Error (Open/Short)113
EVI in Temperature Sensor Error (Open/Short)114
EVI out Temperature Sensor Error (Open/Short)115
Suction-2 Temperature Sensor Error (OPEN/SHORT)116
Measures of Other Outdoor Unit Error117
Comp. down Due to High Pressure Protection Control118
Suspension of Starting Due to Compressor Discharge Temperature Sensor119
Top Temperature Sensor119
3-Phase Input Wiring Error120
Suspension of Starting by Abnormal Compression Ratio121
EVI EEV Open Error122
Refrigerant Leakage Error123
Prevention of Heating / Cooling Operation Due to Outdoor Temperature124
Prevention of Heating Refrigerant Charge Due to Outdoor Temperature125
CCH Wire Breaking Error126
Fan Motor Starting Error128
Fan Motor Locking Error130
Momentary Blackout Error132
Outdoor Fan Motor Overheating133
Fan PBA IPM Overheating Error134
Compressor Starting Error135
COMP Overcurrent Error137
Overvoltage / Low Voltage Error142
DC Link Voltage Sensor Error143
Fan Motor Overcurrent Error144
Input / Output Current Sensor Error146
Outdoor Fan PBA Overvoltage / Low Voltage Error147
Hall IC Connection/Two Motor Parameter Difference Error149
Inverter PBA IPM Overheating Error150
Option Setting Error of Outdoor Unit152
Error Due to Using Single Type Outdoor Unit in a Module Installation153
Indoor Unit and MCU Address Duplication Error154
Refrigerant Leakage Check Alarm in Operaiton155
Main EEV Leakage Error156
Case Study for Trouble Shoots157
Electric Discharge Mode157
Pump down Operation159
Pump out Operation161
Vacuum163
Case Study - E201 (Communication Error between Indoor & Outdoor Unit)164
Case Study - E205 (Internal Communication Error of the Outdoor Unit C-Box)166
Case Study - E206 (Internal Communication Error of the Outdoor Unit C-Box)167
Case Study - E108 (Error Due to Repeated Address Setting)168
Case Study - E108, E604, E613169
Case Study - E461, E361 (Error Due to Operation Failure of Inverter Compressor)170
Case Study - Inverter PBA Error171
Case Study - E461/361 & E464/364 & E466/366172
Case Study - Poor Cooling Caused by IPM Overheated176
Case Study - Related Error with IPM177
Case Study - E455 (Fan IPM Overheat Error)178
Case Study - Temperature Sensor Open/Short180
Case Study - Pressure Sensor Open/Short181
PBA Diagram and Parts List182
Main PBA DC182
Main PBA AC184
Emi Pf8185
Emi Pf9186
Emi Pf9 Old187
Dual FAN188
Safety 2FAN189
PF8 Inv.integration J POWER190
PF8 Inv.integration F POWER192
Pf8_20C Inv J Power194
Pf8_20C Inv F Power195
Pf9_20C Inv J Power196
Pf9_20C Inv F Power197
Wiring Diagram198
Am072Bxvgf*/Aa, Am072Bxvgj*/Aa198
Am096/120/144Bxvgf*/Aa, Am096/120/144/168Bxvgj*/Aa199
Am162Bxvgf*/Aa200
Am192Bxvgj*/Aa201
Am216/240Bxvgf*/Aa, Am216/240Bxvgj*/Aa202
Field Wiring203
Piping Diagram208
Am072Bxvgfh/Aa, Am072Bxvgjh/Aa210
Am096/120/144/168Bxvgfh/Aa, Am096/120/144/168Bxvgjh/Aa211
Am192Bxvgfh/Aa, Am192Bxvgjh/Aa212
Am216/240Bxvgfh/Aa, Am216/240Bxvgjh/Aa213
Am072Bxvgfr/Aa, Am072Bxvgjr/Aa214
Am096/120/144/168Bxvgfr/Aa, Am096/120/144/168Bxvgjr/Aa215
Am192Bxvgfr/Aa, Am192Bxvgjr/Aa216
Am216/240Bxvgfr/Aa, Am216/240Bxvgjr/Aa217
Refrigerant Flow for each Operation Mode218
DVM S Heat Pump - Cooling Operation218
DVM S Heat Pump - Heating Operation219
DVM S Heat Recovery - Cooling Operation220
DVM S Heat Recovery - Main Cooling Operation221
DVM S Heat Recovery - Heating Operation222
DVM S Heat Recovery - Main Heating Operation223
Functions224
Basics224
Control228
Others276
Key Options289
System Configuration289
List of Field Setting Items290
Outdoor Unit Option Switch Settings (Cont.)291
How to Check the View Mode Using a Tact Switch293
Applications300
Application of Night Silent300
Application of External Contact Interface Module301
Application of Auxiliary Heat Module303
Application of Mode Select Switch305
Test Operation310
Auto Trial Operation310
Overview of Auto Trial Operation310
Auto Trial Operation Flow Chart313
How to Resolve NG Items314
Amount of Refrigerant Automatically Checking324
Nomenclature325
Model Naming325

Samsung AM072BXV Series - Page 141

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