Gree UML600H/A-MP User Manual

GREE Duct type Ducted Type Split Air-Conditioner Units
82
1.5.6 Reset Factory Setting
(1) Reset defaulted factory setting 1 (clear all settings):
Long press “SW1 + SW4” button for over 10s in the main module, the nixie tube will display “oC” for
3s, the main board will remove all settings, including IP address of indoor and outdoor unit.
(2) Reset defaulted setting 2 (clear all settings other than project debugging status):
Long press “SW2 + SW4” for over 10s in the main module, the nixie tube will display “oC” for 5s, the
main board will remove all settints, including IP address of indoor and outdoor unit, but completion label
for project debugging and the memory of indoor and outdoor unit quantity shall be kept.
(3) Reset defaulted setting 3 (clear function setting of outdoor unit only):
Long press “SW3 + SW4” for over 10s in the main module, the nixie tube will display “oC” for 7s,
then clear all function settings of the system, but project code of indoor and outsoor unit, the memory of
indoor and outdoor unit quantity and completion label for project debugging shall be kept.
2 Troubleshooting
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
Power supply
of wired controller is
faulted
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 C0
2
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
Display
code
Content
Display
code
Content
Display
code
Content
E0
Malfunction of
outdoor unit
E1 High pressure protection E2
Low-temperature
protection for dicharge
E3
Low pressure
protection
E4
Discharge high temperature
protection for compressor
EC
Loose protection for
discharge temperature
sensor for compressor 1
F0
Poor main board of
outdoor unit
F1
Malfunction of high pressure
sensor
F3
Malfunction of low
pressure sensor
F5
Malfunction of
discharge
temperature sensor
for compressor 1
J0 Other module protection J1
Overcurrent protection for
compressor 1
J7
Air-mixing protection
for 4-way valve
J8
High pressure ration
protection of system
J9
Low pressure ratio
protection of system

Gree UML600H/A-MP Specifications

General

Brand	Gree
Model	UML600H/A-MP
Category	Air Conditioner
Language	English