Gree GMV-S280W/A-X

GMV Unic 全能一体机手册（设计选型、安装调试、维修保养）
Chapter 5 Maintenance
1. Table of Error Codes
Content symbol
Distinctive
symbol
0
1
2
3
4
5
Indoor
L
Indoor unit
fault
Indoor fan
protection
Auxiliary
heating
protection
Water
overflow
protection
Power
supply
overcurrent
protection
Anti-freezin
g protection
d
Indoor unit
PCB fault
Lower water
temperature
sensor of
water tank is
faulted
Ambient
temperature
sensor fault
Intake
temperatur
e sensor
fault
Middle
temperatur
e sensor
fault
y
Outdoor
E
Outdoor unit
fault
High
pressure
protection
Low exhaust
temperature
protection
Low pressure
protection
High
exhaust
temperatur
e
protection
for
compresso
r
F
Outdoor unit
main board
fault
High
pressure
sensor
fault
Low pressure
sensor fault
Compresso
r 1 exhaust
temperatur
e sensor
fault
J
Other
module
protection
Overcurren
t protection
for
compresso
r 1
Overcurrent
protection for
compressor 2
Overcurrent
protection for
compressor 3
Overcurren
t protection
for
compresso
r 4
Overcurren
t protection
for
compressor
5
b
Outdoor
ambient
temperatur
e sensor
fault
Defrosting
temperature
sensor 1 fault
Defrosting
temperature
sensor 2 fault
Subcooler
outflow
temperatur
e sensor
fault
Subcooler
exhaust
temperatur
e sensor
fault
P
Compressor
driver board
fault
Compress
or driver
board
failure
Compressor
driver board
power voltage
protection
Compressor
drive module
reset
protection
Compress
or drive
PFC
protection
Inverter
compressor
overcurrent
protection
H
Fan driver
board fault
Fan driver
board
failure
Fan driver
board power
voltage
protection
Fan drive
module reset
protection
Fan drive
PFC
protection
Inverter fan
overcurrent
protection
Commissionin
g
U
Deficient
preheating of
the
compressor
Wrong ODU
capacity
code/jumper
cap setting
Power phase
sequence
protection
Refrigerant
shortage
protection
Wrong
compressor
drive board
address
C
Communicati
on
malfunction
between
indoor unit
and outdoor
unit, indoor
units wires
control
Communicatio
n malfunction
between main
control and
inverter
compressor
driver
Communicatio
n malfunction
between main
control and
inverter fan
driver
Malfunctio
n of lacking
of indoor
unit
Project
series Nol
of indoor
unit is in
conflict
Status
A
The unit is
not
commissione
d
Aftersales
refrigerant
recycling
Defrosting
Oil
recycling