Gree GMV series User Manual

GMV DC Inverter VRF
64
Status:
Error Code
Content
Error Code
Content
A0
Unit waiting for debugging
Ay
Shielding status
A2
Refrigerant recovery operation of
after-sales
n0
SE operation setting of system
A3
Defrosting
n3
Compulsory defrosting
A4
Oil-return
n4
Limit setting for max. capacity/output
capacity
A6
Heat pump function setting
n5
Compulsory excursion of engineering
code of IDU
A7
Quiet mode setting
n6
Inquiry of malfunction
A8
Vacuum pump mode
n7
Inquiry of parameters
AH
Heating
n8
Inquiry of project code of IDU
AC
Cooling
n9
Check quantity of IDU on line
AL
Charge refrigerant automatically
nA
Heat pump unit
AE
Charge refrigerant manually
nH
Heating only unit
AF
Fan
nC
Cooling only unit
AJ
Cleaning reminding of filter
nE
Negative code
AP
Debugging confirmation when starting
up the unit
nF
Fan model
AU
Long-distance emergency stop
nJ
High temperature prevention when
heating
Ab
Emergency stop of operation
nU
Eliminate the long-distance shielding
command of IDU
Ad
Limit operation
nb
Bar code inquiry
An
Child lock status
nn
Length modification of connection pipe
of ODU
8 Maintenance and Care
Regular check, Maintenance and care should be performed every six months by professional
personnel, which will prolong the unit life span. Disconnect the power supply before cleaning and
maintenance.
8.1 Outdoor Heat Exchanger
Outdoor heat exchanger is required to be cleaned once every six months. Use vacuum
cleaner with nylon brush to clean up dust and sundries on the surface of heat exchanger. Blow
away dust by compressed air if it is available. Never use water to wash the heat exchanger.
8.2 Drain Pipe
Regularly check if the drain pipe is clogged in order to drain condensate smoothly.

Gree GMV series Specifications

General

Brand	Gree
Model	GMV series
Category	Air Conditioner
Language	English