GMV DC Inverter VRF
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
Charge refrigerant automatically
AE
Charge refrigerant manually
AF
Fan
AJ
Cleaning reminding of filter
Debugging confirmation when
AP
starting up the 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 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.
8.3 Notice before Seasonal Use
(1) Check if the inlet/outlet of the indoor/outdoor unit is clogged.
(2) Check if the ground wire is earthed reliably.
(3) Check if battery of remote wireless controller has been replaced.
(4) Check if the filter screen has been set soundly.
(5) After long period of shutdown, open the main power switch 8 hours before reoperating
the unit so as to preheat the compressor crankcase.
(6) Check if the outdoor unit is installed firmly. If there is something abnormal, please
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
Content
67
Error Code
Ay
Shielding status
n0
SE operation setting of system
n3
Compulsory defrosting
Limit setting for max. capacity/output
n4
capacity
Compulsory excursion of
n5
engineering 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 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
nn
pipe of ODU
Content