Lacey Act Declaration Form

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For other errors:
The display board may show a garbled code or a code undefined by the service manual. Ensure that this code is
not a temperature reading.
Troubleshooting:
Test the unit using the remote control. If the unit does not respond to the remote, the indoor PCB requires
replacement. If the unit responds, the display board requires replacement.
Display (88) flash frequency:
Outdoor Unit Error Code Display
Display Malfunction or Protection
df
Defrosting
Normal
Display, not
an error
code
FC
Forced cooling
EC 51
Outdoor EEPROM malfunction
EL 01
Indoor / outdoor units communication error
PC 40
Communication malfunction between IPM board and outdoor main board
PC 08
Outdoor overcurrent protection
PC 10
Outdoor unit low AC voltage protection
PC 11
Outdoor unit main control board DC bus high voltage protection
PC 12
Outdoor unit main control board DC bus high voltage protection /341 MCE error
PC 00
IPM module protection
PC 0F
PFC module protection
EC 71
Over current failure of outdoor DC fan motor
EC 72
Lack phase failure of outdoor DC fan motor
EC 07
Outdoor fan speed has been out of control
PC 43
Outdoor compressor lack phase protection
PC 44
Outdoor unit zero speed protection
PC 45
Outdoor unit IR chip drive failure
PC 46
Compressor speed has been out of control
PC 49
Compressor overcurrent failure
PC 30
High pressure protection
PC 31
Low pressure protection
PC 0A
High temperature protection of condenser
PC 06
Temperature protection of compressor discharge
PC 02
Top temperature protection of compressor
EC 52
Condenser coil temperature sensor T3 is in open circuit or has short circuited
EC 53
Outdoor room temperature sensor T4 is in open circuit or has short circuited
EC 54
Compressor discharge temperature sensor TP is in open circuit or has short circuited
EC 56
Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited
EC 50
Open or short circuit of outdoor unit temperature sensor(T3,T4.TP)
LC 06
IPM module frequency limit shutdown/IPM high temperature protection
PC 0L
Low ambient temperature protection