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