Gree GMV-S120WL/A-S User Manual

GMV5 Home DC Inverter Multi VRF Units
116
Commissioning
U
C
Communication
malfunction
between indoor
unit and the
receiver board
Overflow
distribution of IP
address
Status
A
Remote
emergency
shutdown
Emergency
shutdown
Restricted
operation
Child lock
status
Shielding
status
N
Eliminate the
long-distance
shielding
command of
indoor unit
Barcode inquiry
Outdoor
unit
connection
pipe length
correction
4.5.2 Table of Malfunction Codes for Hydro Box
Display code
Description
Display
code
Description
Display
code
Description
L0
Hydro box
malfunction
LL
Malfunction of water flow switch
dA
Hydro box network
address error
L4
Power supply
over-current
protection
LE
Abnormal rotation speed of EC
DC water pump
dH
Wired controller PCB
error
L5
Anti-freezing
protection
LF
Malfunction of floor heating
shunt valve setting
dF
Malfunction of upper
water temperature
sensor
L6
Mode conflict
d1
Indoor unit PCB malfunction
dJ
Malfunction of
backwater temperature
sensor
L8
Power supply
shortage
d2
Malfunction of lower water
temperature sensor
dP
Malfunction of hydro
box water inlet
temperature sensor
L9
Inconsistent
number of
group-controlled
hydro boxes
d4
Malfunction of refrigerant inlet
tube temperature sensor
dU
Malfunction of hydro
box water outlet
temperature sensor
LA
Inconsistent
series of
group-controlled
hydro boxes
d6
Malfunction of refrigerant outlet
tube temperature sensor
db
Special code: project
commissioning code
LC
Models of hydro
box and outdoor
unit are not
matched
d9
Jumper cap malfunction
dd
Malfunction of solar
power temperature
sensor
4.5.3 Table of Commissioning Codes
Display code
Description
Display
code
Description
Display
code
Description
U2
Wrong outdoor unit capacity code/
jumper cap setting
UE
Ineffective refrigerant
charging
CH
Rated capacity
ratio is too
high.
U3
Power phase sequence protection
UL
Compressor
emergency operation
DIP switch is wrong.
CL
Rated capacity
ratio is too low.
U4
Refrigerant shortage protection
C0
Communication failure
between indoor and
outdoor units, indoor
units and wired
controllers
CF
Malfunction
due to multiple
master control
units
U5
Wrong compressor drive board
address
C2
Communication failure
between main control
board and inverter
compressor drive
CJ
DIP switch
conflict of
system
address
U6
Warning against valve error
C3
Communication failure
between main control
board and variable
CP
Malfunction
due to multiple
master wired

Gree GMV-S120WL/A-S Specifications

General

Brand	Gree
Model	GMV-S120WL/A-S
Category	Inverter
Language	English