Error Indication - Gree GMV-144WM/B-U Owner's Manual

7 Error Indication

Inquiry method of malfunction display: combine division number and content number to
check the corresponding malfunction.
Indoor:
Error Code
L0
L1 Protection of indoor fan
Auxiliary heating protection
L2
L3
Abnormal power supply for wired
L4
L5 Freeze prevention protection
L7
L8 Power supply is insufficient
For single control over multiple units,
L9
number of IDU is inconsistent
For single control over multiple units,
LA
IDU series is inconsistent
LH Alarm due to bad air quality
LC IDU is not matching with outdoor unit
LL Malfunction of water flow switch
Rotation speed of EC DC water
LE
LF Malfunction of shunt valve setting
Setting of functional DIP switch code
LJ
Zero-crossing malfunction of PG
LP
Indoor unit's branch is not
LU inconsistent for one-to-more unit of
d1
Content
Malfunction of IDU
Water-full protection
controller
No main IDU
pump is abnormal
is wrong
motor
heat recovery system
Indoor PCB is poor
Error Code
d2
temperature sensor of water tank
Malfunction of ambient temperature
d3
d4
Malfunction of exit-tube temperature
d6
d7 Malfunction of humidity sensor
Malfunction of water temperature
d8
d9
dA Web address of IDU is abnormal
dH PCB of wired controller is abnormal
Setting capacity of DIP switch code
dC
Malfunction of air outlet temperature
dL
dE Malfunction of indoor CO
dF
temperature sensor of water tank
dJ
Malfunction of inlet tube temperature
dP
Malfunction of drainage pipe
dU
temperature sensor of generator
db
dd
dn
62
GMV DC Inverter VRF
Content
Malfunction of lower water
sensor
Malfunction of entry-tube
temperature sensor
sensor
sensor
Malfunction of jumper cap
is abnormal
sensor
sensor
2
Malfunction of upper water
Malfunction of backwater
temperature sensor
sensor of generator
Debugging status
Malfunction of solar power
temperature sensor
Malfunction of swing parts