Gree GMV-60WL/C-T Service Manual

GREE DC Inverter Side Discharge VRF Ⅱ for North America
96
MAINTENANCE
1 Malfunction List
1.1 Malfunction list for the wired controller
Display
code
Content
Display
code
Content
Display
code
Content
L0
Malfunction of
indoor unit
L9
Wrong number of indoor
unit for one-to-more indoor
unit
d8
Malfunction of water
temperature sensor
L1
Indoor fan
protection
LA
Wrong series for
one-to-more indoor unit
d9
Malfunction of jumper cap
L2
E-heater
protection
LH
Alarming due to bad air
quality
dA
Abnormal address for
indoor unit
L3
Water overflow
protection
LC
The indoor unit model can’t
match with outdoor unit
model
dH
Abnormal PCB for wired
controller
L4
Overcurrent
protection
d1
Poor indoor PCB
dC
Abnormal code-dialing
setting of capacity
L5
Freeze prevention
protection
d3
Malfunction of ambient
temperature sensor
dL
Malfunction of air exhause
temperature sensor
L6
Mode shock
d4
Malfunction of entry tube
temperature sensor
dE
Malfunction of indoor C02
sensor
L7
No main indoor
unit
d6
Malfunction of exit tube
temperature sensor
C0
Communication
malfunction
L8
Insufficient power
supply
d7
Malfunction of humidity
sensor
AJ
Clean alarming for filter
db
Special code: engineering debugging code
1.2 Status display table for indicators on main board of outdoor unit
Definition:
LED1: It displays “00” for hot water mode as for DC Inverter Side Discharge VRF
LED2: It displays “AC” for AC mode, cooling and cooling OFF mode for indoor unit, and displays
“AH” for heating and heating OFF mode for indoor unit
LED3: It displays on or off status of compressor and malfunction code. It displays “ON” when the
compressor is operating and “OFF” when the compressor stops operation. When there’s malfunction for
the unit, it will display corresponding malfunction code; when there’re multiple malfunctions, the
malfunction codes will be displayed in turn.
Display code table of outdoor unit is as below:
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

Gree GMV-60WL/C-T Specifications

General

Brand	Gree
Model	GMV-60WL/C-T
Category	Air Conditioner
Language	English