6.1.3.11The status of indicator in outdoor unit
Notice: When the unit is
D11
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
blink 6 times
blink 7 times
blink 8 times
blink 12 times
Meaning
compressor starts to run
exhaust protection stop
closing down for NEC driving module protection
closing down for overcurrent protection
closing down for overloading protection
cooling antifreezing stop
sensor malfunction stop
closing down for communication failure(including indoor unit and NEC driving module)
closing down for IPM overheating protection
D12
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
blink 6 times
blink 7 times
blink 8 times
blink 9 times
blink 10 times
blink 11 times
Meaning
coolingoverload protection stop
heatingoverload protection stop
communication failure with indoor unit
communication failure with NEC module
communication failure with computer
failulre of outdoor ambient temp.sensor
failure of outdoor
failure of outdoor
communication failure sent from indoor
wrong parameters sent to NEC driver, unit closes down
IPM temp. sensor failure
D13
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
blink 6 times
blink 7 times
blink 8 times
blink 9 times
Meaning
quick cooling/heating
defrosting
oil returning
nominal cooling/heating
max. cooling/heating
medial cooling/heating
min.cooling/heating
unit off
low pressure and can’t resume
D14
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
meaning
frequency demultiplying for high temp.of gas discharged
frequency demultiplying for overcurrent protection
frequency demultiplying for cooling overload
frequency demultiplying for heating overload
frequency demultiplying for
D15
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
meaning
frequency limiting for high temp.of gas discharged
frequency limiting of overcurrent protection
frequency limiting for cooling overloading
frequency limiting for heating overloading
frequency of current 9.4 A lasting for 2 minutes
D16
on
off
meaning
Be receiving or sending computer data
receiving or sending computer data finished