Maintenance And Care; Outdoor Heat Exchanger - Gree GMV-Y60WL/A-T Owner's Manual

Photovoltaic Multi VRF
Error Code
DC bus undervoltage protection at
UH
power grid side
UC Setting of main IDU is successful
Emergency operation DIP switch
UL
code of compressor is wrong
UE Charging of refrigerant is invalid
Identification malfunction of IDU of
UF
mode exchanger
UJ FO protection for PV module
Ud Grid-connected driver board error
Communication malfunction between
Un
main control and inverter
Over-temperature protection for PV
Uy
module
Communication malfunction between
CU
IDU and the receiving lamp plate
Cb Overflow distribution of IP address
Communication malfunction between
Cd
mode exchanger and ODU
Status:
Error Code
A0 Unit waiting for debugging
Refrigerant recovery operation of
A2
after-sales
A3 Defrosting
A4 Oil-return
A6 Heat pump function setting
A7 Quiet mode setting
A8 Vacuum pump mode
AH Heating
AC Cooling
AL Charging refrigerant automatically
AE Charging refrigerant manually
AF Fan
AJ Alarm for cleaning filter
Debugging confirmation for startup of
AP
unit
AU Long-distance emergency stop
Ab Emergency stop of operation
Ad Limit operation
An Child lock status

8 Maintenance and Care

Regular check, maintenance and care can extend unit's service life. Please have specialized
person in charge of the management of air conditioners.

8.1 Outdoor Heat Exchanger

Outdoor heat exchanger shall be cleaned regularly, which is at least once every two months.
You can use a dust catcher with nylon brush to clean away the dust on the heat exchanger. If
compressed air source is available, it also can be used to clean the heat exchanger. Do not clean it
with water.
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Error Code
C7 Abnormal communication of converter
C8 Emergency status of compressor
C9 Emergency status of fan
CA Emergency status of module
CH Rated capacity is too high
CC Malfunction of lack of main control unit
CL Rated capacity is too low
Communication malfunction between
CE
mode exchanger and IDU
Malfunction of multiple main control
CF
units
Address DIP switch code of system is
CJ
shocking
Malfunction of multiple main wired
CP
controllers
—
Error Code
n0 SE operation setting of system
n3 Compulsory defrosting
Limit setting for max. capacity/output
n4
capacity
Compulsory excursion of engineering
n5
code of IDU
n6 Inquiry of malfunction
n7 Inquiry of parameters
n8 Inquiry of project code of IDU
n9 Check quantity of IDU on line
nA Heat pump unit
nH Heating only unit
nC Cooling only unit
nE Negative sign code
nF Fan model
High temperature prevention when
nJ
heating
Eliminate the long-distance shielding
nU
command of IDU
nb Bar code inquiry
Length modification of connection pipe
nn
of ODU
Ay Shielding status
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