Samsung

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Connection Diagrams

Samsung Self-diagnostic Malfunction (Error) Codes

Malfunction
Code
Content of Abnormality Notes
101 DVM,DPM,DVS:Outdoor Unit Communication Error (Indoor unit can’t receive communication)
SINGLE: Indoor Unit Panel - Main communication error
102 Outdoor Unit to Indoor Unit communication error
103 Communication Error Between Indoor Unit Panel and Main
104 Communication Error
105 Communication Error in between sensing space module and Indoor unit
106 Communication Error Between LCD and Panel
107 Communication Error Between LCD Outdoor Unit
108 Error due to repeated address setting (When 2 or more devices has same address within the network)
109 Communication error - indoor address is not completed. Check communication wire between indoor and

outdoor, outdoor unit quantity, indoor address setting status.

121 Error of ROOM Temperature Sensor in Indoor unit short/open
122 Error of Evaporator_in Sensor of Indoor unit short/open
123 Error of Evaporator_out Sensor of Indoor unit short/open
124 Indoor Unit Communication Error (Indoor Unit _

> outdoor unit Communication Error displayed in Outdoor unit)

125 Eva_mid2 Sensor of Indoor unit short/open
127 Indoor Temperature (Suction Temperature) Sensor breakaway Error
128 Breakaway of Indoor unit Evaporator_in Sensor
129 Breakaway of Indoor unit Evaporator_out Sensor
130 Breakaway of evaporator in and evaporator out sensors in indoor unit at the same time
121
121
121
121