Samsung AC052FCADEH - Items to Check before Diagnostics; Four Directions Cassette Type

Error Mode
Cause Measures
Product operation with error
Diagnosis method
Operation Defrost Timer Filter
Outdoor Unit
compressor
Outdoor Unit
fan
indoor Unitheat
fan
X X X Power reset - operation-off operation-off operation-off -
X
XX
Error of room temperature sensor in the indoor
unit (Open/Short)
t$IFDLJOEPPSUFNQFSBUVSFTFOTPSDPOOFDUJPO
t$IFDLJOEPPSUFNQFSBUVSFTFOTPSTSFTJTUBODFWBMVFUPTFFJGJUTTIPSUPQFO
operation-off operation-off operation-off page 4-17
XX
Error of heat exchanger IN/OUT sensor in the
indoor unit (Open/Short)
t$IFDL&7"*/065TFOTPSDPOOFDUJPO
t$IFDL&7"*/065TFOTPSTSFTJTUBODFWBMVFUPTFFJGJUTTIPSUPQFO
operation-off operation-off operation-off page 4-18
XX
X Error of fan motor in the indoor unit
t$IFDLUIFDPOOFDUJPOPGNPUPSDPOOFDUPS
t$IFDLUIFTQFFEPGUIFNPUPSGBO
operation-off operation-off operation-off page 4-19
X X
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
t$IFDLPVUEPPSUFNQFSBUVSFTFOTPSDPOOFDUJPO
t$IFDLPVUEPPSUFNQFSBUVSFTFOTPSTSFTJTUBODFWBMVFUPTFFJGJUTTIPSUPQFO
operation-off operation-off operation-off -
X
X
No communication for 2 minutes between indoor
and outdoor unit (communication error for more
than 2 minutes)
t$IFDLDPOOFDUJPOCFUXFFOJOEPPSBOEPVUEPPSVOJUDPNNVOJDBUJPODBCMFT operation-off operation-off operation-off page 4-20
X
Error of outdoor unit t$IFDLFSSPSPDDVSSFEXJUIPVUEPPSVOJU operation-off operation-off operation-off -
XX
Detection of the float switch
t$IFDLGMPBUTXJUDIDPOOFDUJPO
t$IFDLXIFUIFSUIFESBJOIBTCFFOGJMMFEXJUIXBUFS
operation-off operation-off operation-off page 4-21
X EEPROM error t$IFDLJGUIFSFJTEBNBHFXJUI&&130.DPNQPOFOU operation-off operation-off operation-off page 4-22
EEPROM option error
t$IFDLUIFJOEPPSNPEFMUPTFUUIFPQUJPOT
t*OTQFDUJPOGPSNBUDICFUXFFOJOEPPSBOEPVUEPPSNBDIJOFNPEFMT
operation-off operation-off operation-off -
XX
MDS-kit error
-.Check the wire connection
-. Check the MDS-KIT
-.Check the indoor PBA
operation-on operation-on operation-on page 4-49
4-11
: On : Blink X : Off
Samsung Electronics
4-2 Items to check before diagnostics
4-2-1 Four directions cassette type