Gree Ultra Heat GMV Multi VRF Series User Manual

Ultra Heat GMV Multi VRF_Heat Recovery Serial
60
Debugging:
Error Code
Content
Error Code
Content
U0
Preheat time of compressor is insufficient
C6
Alarm because ODU quantity is inconsistent
U2
Wrong setting of ODU’s capacity
code/jumper cap
C7
Abnormal communication of converter
U3
Power supply phase sequence protection
C8
Emergency status of compressor
U4
Refrigerant-lacking protection
C9
Emergency status of fan
U5
Wrong address for driving board of
compressor
CA
Emergency status of module
U6
Alarm because valve is abnormal
CH
Rated capacity is too high
U8
Malfunction of pipeline for IDU
CC
No main outdoor unit
U9
Malfunction of pipeline for ODU
CL
The matching ratio of rated capacity for IDU
and ODU is too low
UC
Setting of main IDU is succeeded
CE
Communication malfunction between mode
exchanger and IDU
UL
Emergency operation DIP switch code of
compressor is wrong
CF
Malfunction of multiple main control units
UE
Charging of refrigerant is invalid
CJ
Address DIP switch code of system is
shocking
UF
Identification malfunction of IDU of mode
exchanger
CP
Malfunction of multiple wired controller
C0
Communication malfunction between IDU,
ODU and IDU’s wired controller
CU
Communication malfunction between IDU
and the receiving lamp
C1
Communication malfunction between main
control and DC-DCcontroller
Cb
Overflow distribution of IP address
C2
Communication malfunction between main
control and inverter compressor driver
Cd
Communication malfunction between mode
exchanger and ODU
C3
Communication malfunction between main
control and inverter fan driver
Cn
Malfunction of network for IDU and ODU of
mode exchanger
C4
Malfunction of lack of IDU
Cy
Communication malfunction of mode
exchanger
C5
Alarm because project code of IDU is
inconsistent

Gree Ultra Heat GMV Multi VRF Series Specifications

General

Brand	Gree
Model	Ultra Heat GMV Multi VRF Series
Category	Air Conditioner
Language	English