17
Code Discription
Corrective action
HE
Heat mode fan is running in A
region for 10 minutes
Check that the unit is operating
within its operating range, contact
HH Twice H6 in 10 minutes
Restart the unit, if the error occurs
again, contact your local dealer
HL PFC module fault
Check that the unit is operating
within its operating range, contact
HP
3 times low pressure protect in 1
hour in cooling mode
Check that the unit is operating
within its operating range, contact
P0 Heat pump system low pressure protect
Check that the unit is operating
within its operating range, contact
P1 Heat pump system high pressure protect
Check that the unit is operating
within its operating range, contact
P3
DC compressor current protect
Check that the unit is operating
within its operating range, contact
P4
Compressor discharge temperature too
high protect
Check that the unit is operating
within its operating range. Clean the
outdoor coil. If the coil is
clean, contact your local dealer
P6 Transducer module protect Contact your local dealer.
P9 DC fan motor protect
Contact your local dealer.
PC
Other protection(Which can not be display
on the user interface)
Contact your local dealer.
Pd
Outdoor unit exchanger temperature (T3) too high protect
Contact your local dealer.
L0 Inverter module error Contact your local dealer.
L1 Inverter module low voltage protection
Contact your local dealer.
L2 Inverter module high voltage protection
Contact your local dealer.
L4 MEC error Contact your local dealer.
L5 Compressor 0 speed protection
Contact your local dealer.
L7 Power phase error
Contact your local dealer.
L8
Compressor frequency change is
larger than 15Hz between this moment
and last moment
Contact your local dealer.
L9
The difference between target
frequency and compressor operationg
frequency is larger than 15Hz.
Contact your local dealer.
F1 Inverter module voltage was too low
Contact your local dealer.
dF Defrosting(Not malfunction)
It is normal function and
not error.
d0 Oil returning(Not malfunction)
It is normal function and not error.
FC
Force cooling(Not malfunction)
It is normal function and not error.