Gree GMV-140WL/A-T User Manual

DC Inverter Multi VRF System User Manual
25
7 Error Indication
Inquiry method of error indication: combine division symbol and content symbol to check the
corresponding error.
For example, division symbol L and content symbol 4 together means over-current protection.
Content
symbol
Division
symbol
0
1
2
3
4
5
Indoor
L
Malfunction of
IDU (uniform)
Protection of
indoor fan
Auxiliary
heating
protection
Water-full
protection
Over-current
protection
Freeze
prevention
protection
d
Indoor PCB is
poor
Malfunction of
ambient
temperature
sensor
Malfunction of
entry-tube
temperature
sensor
Malfunction
of middle
temperature
sensor
Outdoor
E
Malfunction of
ODU (uniform)
High-pressure
protection
Discharge
low-temperature
protection
Low-pressure
protection
High discharge
temperature
protection of
compressor
High
discharge
temperature
protection of
compressor
1
F
Main board of
ODU is poor
Malfunction of
high-pressure
sensor
Malfunction of
low-pressure
sensor
Malfunction
of discharge
temperature
sensor of
compressor
1
J
Over-current
protection of
compressor 1
b
Malfunction of
outdoor
ambient
temperature
sensor
Malfunction of
defrosting
temperature
sensor 1
Malfunction of
liquid temperature
sensor of
sub-cooler
Malfunction
of gas
temperature
sensor of
sub-cooler
P
malfunction of
driving board of
compressor
(uniform)
Driving board
of
compressor
operates
abnormally
(uniform)
Voltage
protection of
driving board
power of
compressor
(uniform)
Reset
protection of
driving module
of compressor
Drive PFC
protection of
compressor
Over-current
protection of
inverter
compressor
H
Malfunction of
driving board of
fan (uniform)
Driving board
of fan
operates
abnormally
(uniform)
Voltage
protection of
driving board
power of fan
(uniform)
Reset
protection of
driving module
of fan
Drive PFC
protection of fan
Over-current
protection of
inverter fan
Debugging
U
Preheat time of
compressor is
insufficient
Wrong setting of
ODU’s capacity
code/jumper
cap
Refrigerant-lacking
protection
Wrong
address for
driving
board of
compressor
C
Communication
malfunction
between IDU,
ODU and IDU’s
wired controller
Communication
malfunction
between main
control and
inverter
compressor
driver
Communication
malfunction
between main
control and
inverter fan
driver
Malfunction of lack
of IDU
Alarm
because
project code
of IDU is
inconsistent
Status
A
Unit waiting for
debugging
Inquiry of
compressor
operation
parameters
Refrigerant
recovery
operation of
after-sales
Defrosting
Oil-return
Online test
n
SE operation
setting of
Setting of
defrosting
Setting of upper
limit of
Limit setting for
max.

Gree GMV-140WL/A-T Specifications

General

Brand	Gree
Model	GMV-140WL/A-T
Category	Air Conditioner
Language	English