Gree /E-X, Service Manual

Page: 129 / 308

GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
125
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
Note: Previous faults in the system can be queried on the main board of the ODU and
commissioning software. See n6 Fault Enquiry of the ODU or enquiry function of the commissioning
software for the method.