Abnormality of room temperature thermistor (RT1)
Abnormality of room temperature thermistor (RT1)
Pipe (Liquid or 2-phase pipe) sensor error
Pipe (Liquid or 2-phase pipe) sensor error.
Indoor/outdoor unit communication error
Indoor/outdoor unit communication error.
Abnormality of drain sensor
Abnormality of drain sensor
Malfunction of drain pump
Malfunction of drain pump
Forced compressor error
Forced compressor error.
Coil frost protection is working
Coil frost protection is working.
Communication error between indoor and outdoor units
Communication error between indoor and outdoor units.
Abnormality in outdoor unit
Abnormality in outdoor unit
Error detail Remote control transmission error (signal receiving error)
Error detail Remote control transmission error (signal receiving error). Inspected unit Indoor.
Indoor unit control system error (memory error, etc
Indoor unit control system error (memory error, etc.)
Remote controller transmission error
Remote controller transmission error.
Remote controller control board error
Remote controller control board error.
Error detail Indoor/outdoor unit transmission error (transmitting error)
Error detail Indoor/outdoor unit transmission error (transmitting error). Inspected unit Outdoor.
Compressor overcurrent interruption
Compressor overcurrent interruption.
Open/short of outdoor unit thermistors
Open/short of outdoor unit thermistors.
Error detail Compressor over current (operating locked) cut off
Error detail Compressor over current (operating locked) cut off.
Error detail Inner thermostat (49C) operation
Error detail Inner thermostat (49C) operation.
Abnormal high pressure (63H worked)/Overheating safeguard operation
Abnormal high pressure (63H worked)/Overheating safeguard operation.
Abnormal temperature of heat sink
Abnormal temperature of heat sink.
Outdoor unit fan safeguard stop
Outdoor unit fan safeguard stop.
Error detail Compressor over current (overload) cut off
Error detail Compressor over current (overload) cut off.
Abnormality of super heat due to low discharge temperature
Abnormality of super heat due to low discharge temperature.
Abnormality such as over-voltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error
Abnormality such as over-voltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error.
Error detail Mis-wiring of indoor/outdoor unit
Error detail Mis-wiring of indoor/outdoor unit. exceed the number of indoor unit connection. Inspected unit Outdoor.
Error detail Mis-wiring of indoor/outdoor unit
Error detail Mis-wiring of indoor/outdoor unit. (mis-wiring disconnection) Inspected unit Outdoor.
Error detail Start-up time over
Error detail Start-up time over. Inspected unit Outdoor.
Error detail Indoor/outdoor unit transmission error (signal receiving error)
Error detail Indoor/outdoor unit transmission error (signal receiving error). Inspected unit Indoor.
Error detail Indoor/outdoor unit transmission error (transmitting error)
Error detail Indoor/outdoor unit transmission error (transmitting error). Inspected unit Indoor.
Error detail Indoor/outdoor unit transmission error (signal receiving error)
Error detail Indoor/outdoor unit transmission error (signal receiving error). Inspected unit Outdoor.
Error detail Remote control transmission error (signal receiving error)
Error detail Remote control transmission error (signal receiving error). Inspected unit Remote control
Error detail Remote control transmission error (transmitting error)
Error detail Remote control transmission error (transmitting error). Inspected unit Remote control.
Error detail Remote control transmission error (transmitting error)
Error detail Remote control transmission error (transmitting error). Inspected unit Indoor.
Error detail M-NET transmission error
Error detail M-NET transmission error. Inspected unit Indoor and outdoor.
Error detail Serial transmission error
Error detail Serial transmission error. Inspected unit Outdoor.
Abnormality of indoor coil thermistor (RT2)
Abnormality of indoor coil thermistor (RT2)
Error detail A-normality of pipe temperature thermistor/condenser/evaporator (TH5)
Error detail A-normality of pipe temperature thermistor/condenser/evaporator (TH5). Inspected unit Indoor.
Error detail Reverse phase detection
Error detail Reverse phase detection.
Error detail L3 open phase detection
Error detail L3 open phase detection.
Error detail 63L connector open
Error detail 63L connector open.
Error detail 49C connector open
Error detail 49C connector open.
Error detail Connector 2 or more open
Error detail Connector 2 or more open.
Error detail L2-phased open phase or 51CM connector open
Error detail L2-phased open phase or 51CM connector open.
Error detail Reverse phase detection circuit (p
Error detail Reverse phase detection circuit (p.c.board) fault.
Error detail Input circuit fault
Error detail Input circuit fault.
Error detail Direct cut operation
Error detail Direct cut operation.
Error detail High pressure error (ball valve closed)
Error detail High pressure error (ball valve closed)
Error detail Over heat protection
Error detail Over heat protection.
Error detail Over heat protection
Error detail Over heat protection
Error detail Compressor over current (terminal relay operation)
Error detail Compressor over current (terminal relay operation).
Error detail Current sensor error
Error detail Current sensor error.
Error detail Discharge thermistor short/open
Error detail Discharge thermistor short/open.
Error detail Outdoor thermistor short/open
Error detail Outdoor thermistor short/open.
Diagnosis of malfunction Transmitting/receiving signal error
Diagnosis of malfunction Transmitting/receiving signal error. Inspected unit Indoor.
Diagnosis of malfunction Intake air sensor abnormal
Diagnosis of malfunction Intake air sensor abnormal. Inspected unit Indoor.
Diagnosis of malfunction Pipe sensor abnormal
Diagnosis of malfunction Pipe sensor abnormal. Inspected unit Indoor.
Diagnosis of malfunction Drain sensor abnormal
Diagnosis of malfunction Drain sensor abnormal. Inspected unit Indoor.
Diagnosis of malfunction Malfunctioning of the drain overflow protecting mechanism
Diagnosis of malfunction Malfunctioning of the drain overflow protecting mechanism. Inspected unit Indoor.
Diagnosis of malfunction Abnormality of the coil frost/overheating protection mode
Diagnosis of malfunction Abnormality of the coil frost/overheating protection mode. Inspected unit Indoor.
Diagnosis of malfunction System error (transmitting/receiving signal)
Diagnosis of malfunction System error (transmitting/receiving signal). Inspected unit Indoor.
Diagnosis of malfunction System error (address)
Diagnosis of malfunction System error (address). Inspected unit Indoor.
Diagnosis of malfunction Outdoor unit malfunction
Diagnosis of malfunction Outdoor unit malfunction. Inspected unit Outdoor.
Reverse phase detect
Reverse phase detect
Open phase detect
Open phase detect
Pipe sensor short/open
Pipe sensor short/open
High pressure switch (63H2) operation
High pressure switch (63H2) operation.
Over current relay (51CM) operation
Over current relay (51CM) operation.
Thermal switch (26C) operation
Thermal switch (26C) operation.
Thermistor (TH3) overheat protection
Thermistor (TH3) overheat protection.
Detective input
Detective input.
Signal transmitting/receiving error (Indoor controller does not respond to remote controller signal)
Signal transmitting/receiving error (Indoor controller does not respond to remote controller signal)
Signal transmission error (Remote controller does not respond to indoor controller signal)
Signal transmission error (Remote controller does not respond to indoor controller signal)
System error
System error