Samsung ACC2400C Owner's Instructions & Installation Manual page 69

Receiver & Display Unit
If the error occurs, the indicators on the receiver & display unit displays the error.
Meaning of Error Code
Indicators
Indoor unit thermistor
sensor error
Indoor unit pipe thermistor
sensor error
Outdoor unit thermistor
sensor error
Float switch error
Indoor and Outdoor
communication error
Wired remote controller
communication error
Outdoor pipe thermistor
sensor error
: OFF : Blinking
Meaning
: Blinking at once : Blinking alternately
Checking area
Indoor unit thermistor sensor
PCB of the indoor unit
Indoor unit pipe thermistor sensor
PCB of the indoor unit
Outdoor unit thermistor sensor
PCB of the outdoor unit
Drain pump, Float switch
Drain system
Communication cables of indoor and
outdoor units
PCB of indoor and outdoor units
Wired remote controller cables,
Wired remote controller
Main/Sub PCB of the indoor unit
Outdoor thermistor pipe sensor
PCB of the outdoor unit
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