Samsung AVXTJH028EE - Page 145

Troubleshooting Troubleshooting
■ Error display order
4-54Samsung Electronics
Error mode Cause Measures to take
Product's operation condition during error(Main parts status)
Diagnosis
method
Frequency Outdoor unit status
Error occurred
indoor unit.
Other indoor units
121
Dislocation of indoor temp. sensor connector
Wire breaking of indoor temp. sensor
Defective indoor temp. sensor
t$IFDLJGUIFXJSFPGJOEPPSUFNQTFOTPSJTCSPLFO
t$IFDLJGUIFSFJTBOZQSPCMFNJOJOEPPSUFNQTFOTPSDPOOFDUJPODJSDVJUBOEJOTFOTPS
1 Normal operation Operation off Normal operation page 4-61
122
Dislocation of In-sensor connector in IU's heat exchanger
In-sensor wire breaking in IU's heat exchanger
Defective In-sensor in IU's heat exchanger
t$IFDLJGUIFXJSFPGJOUFNQTFOTPSPG*6IFBUFYDIBOHFSJTCSPLFO
t$IFDLJGUIFSFJTBOZQSPCMFNJO*OUFNQTFOTPSDPOOFDUJPODJSDVJUBOETFOTPSPG*6IFBU
exchanger
1 Normal operation Operation off Normal operation page 4-62
123
Dislocation of Out-sensor connector in IU's heat exchanger
Out-sensor wire breaking in IU's heat exchanger
Defective Out-sensor in IU's heat exchanger
t$IFDLJGUIFXJSFPG0VUUFNQTFOTPSPG*6IFBUFYDIBOHFSJTCSPLFO
t$IFDLJGUIFSFJTBOZQSPCMFNJO0VUUFNQTFOTPSDPOOFDUJPODJSDVJUBOETFOTPSPG*6IFBU
exchanger
1 Normal operation Operation off Normal operation page 4-63
128 IU's heat exchanger in sensor dislocation error
t$IFDLJGUIFJOTFOTPSPG*6hTIFBUFYDIBOHFSJTEJTMPDBUFE
t$IFDLJGUIFIPMEFSPGJOTFOTPSPG*6hTIFBUFYDIBOHFSJTBUUBDIFE
1 Normal operation Operation off Normal operation page 4-64
129 IUs' heat exchanger out sensor dislocation error
t$IFDLJGUIFPVUTFOTPSPG*6hTIFBUFYDIBOHFSJTEJTMPDBUFE
t$IFDLJGUIFIPMEFSPGPVUTFOTPSPG*6hTIFBUFYDIBOHFSJTBUUBDIFE
1 Normal operation Operation off Normal operation page 4-65
130 Simultaneous IU's heat exchanger in.out sensor dislocation error
t$IFDLJGUIFJOPVUTFOTPSPG*6hTIFBUFYDIBOHFSJTEJTMPDBUFE
t$IFDLJGUIFIPMEFSPGJOPVUTFOTPSPG*6hTIFBUFYDIBOHFSJTBUUBDIFE
1 Normal operation Operation off Normal operation -
135 Indoor clean fan rotational frequency feedback error
t$IFDLUIFGFFECBDLDPOOFDUJPOMJOF
t$IFDLUIFSPUBUJPOBMPVUQVUPGUIFDMFBOGBONPUPS
t$IFDLJGUIFNPUPSPQFSBUFTXFMM
1 Normal operation
Normal in other
Functions
Normal operation page 4-67
151 The 2
nd
opening error of indoor electrically operated valve
t$IFDLUIF1$#DPOOFDUJPOPGFMFDUSJDBMMZPQFSBUFEWBMWFXJSF
t$IFDLUIFTFBMJOHDPOEJUJPOPGFMFDUSJDBMMZPQFSBUFEWBMWF
t$IFDLJGUIFSFJTBOZFYUFSOBMSVTUJOUFSOBMCSFBLBHFTIPSUDJSDVJUPOUIFDPJM
t"GUFSSFTFUUJOH06,SFDIFDLJGFSSPSPDDVSTBHBJO
t3FQMBDFFMFDUSJDBMMZPQFSBUFEWBMWFJGUIFCSFBLEPXOJTDPOGJSNFE
2 Operation off Operation off Normal operation page 4-135
152 The 2
nd
closing error of indoor electrically operated valve
t$IFDLUIF1$#DPOOFDUJPOPGFMFDUSJDBMMZPQFSBUFEWBMWFXJSF
t$IFDLUIFTFBMJOHDPOEJUJPOPGFMFDUSJDBMMZPQFSBUFEWBMWF
t$IFDLJGUIFSFJTBOZFYUFSOBMSVTUJOUFSOBMCSFBLBHFTIPSUDJSDVJUPOUIFDPJM
t"GUFSSFTFUUJOH06,SFDIFDLJGFSSPSPDDVSTBHBJO
t3FQMBDFFMFDUSJDBMMZPQFSBUFEWBMWFJGUIFCSFBLEPXOJTDPOGJSNFE
2 Operation off Operation off Normal operation page 4-134
153 Indoor floating sensor error
t$IFDLJGUIFXJSFPGJOEPPSGMPBUJOHTFOTPSJTCSPLFO
t$IFDLJGUIFXJSFPGESBJOQVNQJTCSPLFO
t$IFDLJGUIFESBJOQVNQPQFSBUFTXFMM
1 Operation off Operation off Normal operation page 4-70
154 Indoor fan error
t$IFDLUIFGFFECBDLDPOOFDUJPOMJOF
t$IFDLUIFSPUBUJPOBMPVUQVUPGUIFGBONPUPS
t$IFDLJGUIFNPUPSPQFSBUFTXFMM
1 Normal operation Operation off Normal operation page 4-71
161 Mixed operation error
t8IFOBEEJUJPOBM*OEPPSVOJUJTVOEFSIFBUJOHPQFSBUJPOEVSJOHDPPMJOHPQFSBUJPOGPSPVUEPPS
unit or other Indoor unit
t8IFOBEEJUJPOBM*OEPPSVOJUJTVOEFSDPPMJOHPQFSBUJPOEVSJOHIFBUJOHPQFSBUJPOGPSPVUEPPS
unit or other Indoor unit
t"QQMJFEPOMZUP)FBU1VNQNPEFMOPNJYFEPQFSBUJPOFSSPSGPS)3NPEFM
t%VFUPXSPOH*OEPPSVOJUPQFSBUJPOPSEFSBOETUPQPSDIBOHFBOPQFSBUJPOBMNPEFGPSUIF
relevant Indoor unit
1 Normal operation Operation off Normal operation -
162
Defective EEPROM part
Defective EEPROM circuit
t$IFDLJGUIFSFJTXJSFCSFBLJOHOPOXFUUJOHEFXFUUJOHPGDJSDVJUTBSPVOE&&130.QBSUT 1 Normal operation Operation off Normal operation page 4-73
$9;&6+B$BaLQGG 