Table Of Error Codes; Chapter 5 Maintenance - Gree GMV-S120WL/A-S Service Manual

GMV Unic 全能一体机手册（设计选型、安装调试、维修保养）

1. Table of Error Codes

Content symbol
Distinctive
symbol
Indoor unit
L
Indoor
d
y
Outdoor unit
E
Outdoor unit
F main board
J
Outdoor
b
Compressor
P driver board
H
board fault
preheating of
U
compressor
Communicati
Commissionin
malfunction
g
C indoor unit
and outdoor
unit, indoor
units wires
Status A
commissione

Chapter 5 Maintenance

0 1
Indoor fan
fault protection
Indoor unit
PCB fault
High
pressure
fault
protection
High
pressure
sensor
fault
fault
Overcurren
Other t protection
module for
protection compresso
r 1
Outdoor
ambient
temperatur
e sensor
fault
Compress
or driver
board
fault
failure
Fan driver
Fan driver
board
failure
Deficient
the
on
between
control
The unit is
not
d
2 3
Auxiliary Water
heating overflow
protection protection
Lower water
temperature Ambient
sensor of temperature
water tank is sensor fault
faulted
Low exhaust
Low pressure
temperature
protection
protection
Low pressure
sensor fault
Overcurrent Overcurrent
protection for protection for
compressor 2 compressor 3
Defrosting Defrosting
temperature temperature
sensor 1 fault sensor 2 fault
Compressor Compressor
driver board drive module
power voltage reset
protection protection
Fan driver
Fan drive
board power
module reset
voltage
protection
protection
Wrong ODU
Power phase
capacity
sequence
code/jumper
protection
cap setting
Communicatio
Communicatio
n malfunction
n malfunction
between main
between main
control and
control and
inverter
inverter fan
compressor
driver
driver
Aftersales
refrigerant Defrosting
recycling
4 5
Power
supply Anti-freezin
overcurrent g protection
protection
Intake Middle
temperatur temperatur
e sensor e sensor
fault fault
High
exhaust
temperatur
e
protection
for
compresso
r
Compresso
r 1 exhaust
temperatur
e sensor
fault
Overcurren Overcurren
t protection t protection
for for
compresso compressor
r 4 5
Subcooler Subcooler
outflow exhaust
temperatur temperatur
e sensor e sensor
fault fault
Compress Inverter
or drive compressor
PFC overcurrent
protection protection
Fan drive Inverter fan
PFC overcurrent
protection protection
Wrong
Refrigerant
compressor
shortage
drive board
protection
address
Project
Malfunctio
series Nol
n of lacking
of indoor
of indoor
unit is in
unit
conflict
Oil
recycling