Water-full protection Gree L3 errors vrf.L0 Malfunction of IDU d2 Malfunction of lower water temperature
sensor of water tank
L1 Protection of indoor fan d3 Malfunction of ambient temperature
sensor
L2 Auxiliary heating protection d4 Malfunction of entry-tube temperature
sensor
L3 Water-full protection d6 Malfunction of exit-tube temperature
sensor
L4 Abnormal power supply for wired
controller d7 Malfunction of humidity sensor
L5 Freeze prevention protection d8 Malfunction of water temperature sensor
L7 No main IDU d9 Malfunction of jumper cap
L8 Power supply is insufficient dA Web address of IDU is abnormal
L9 For single control over multiple units,
number of IDU is inconsistent dH PCB of wired controller is abnormal
LA For single control over multiple units,
IDU series is inconsistent dC Setting capacity of DIP switch code is
abnormal
LH Alarm due to bad air quality dL Malfunction of air outlet temperature
sensor
LC IDU is not matching with outdoor unit dE Malfunction of indoor CO2 sensor
LL Malfunction of water flow switch dF Malfunction of upper water temperature
sensor of water tank
LE Rotation speed of EC DC water pump is
abnormal dJ Malfunction of backwater temperature
sensor
LF Malfunction of shunt valve setting dP Malfunction of inlet tube temperature
sensor of generator
LJ Setting of functional DIP switch code is
wrong
dU Malfunction of drainage pipe #vrfac
temperature sensor of generator
LP Zero-crossing malfunction of PG motor db Debugging status
LU for one-to-more unit of heat recovery
system
dd Malfunction of solar power temperature
sensor
d1 Indoor PCB is poor
#greeac
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